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Company Name: CNX Resources Corporation
CIK: 1070412
Phone: None
Fiscal Year End: None
Entity Type:
SIC: -
Category Type:
Entity Name: None
First Filing Date: 2009-04-27
Last Filing Date: 2025-04-24
SEC Filings
Start End Frame Filed ACCN Value View
2009-03-31 CY2009Q1I 2009-04-27 0001193125-09-088639 $ 180,638,248 View
2013-01-01 2013-03-31 CY2013Q1I 2013-05-07 0001070412-13-000021 $ 154,573,000 View
2017-01-01 2017-03-31 CY2017Q1I 2017-05-02 0001070412-17-000032 $ 66,429,000 View
2017-04-01 2017-06-30 CY2017Q2I 2017-08-01 0001070412-17-000071 $ 66,009,000 View
2015-01-01 2015-12-31 CY2014Q4I 2016-02-05 0001070412-16-000095 $ 69,812,000 View
2021-01-01 2021-03-31 CY2020Q1 2021-04-29 0001070412-21-000038 $ 219,923,634 View
2021-04-01 2021-06-30 CY2020Q2 2021-07-29 0001070412-21-000054 $ 219,897,242 View
2021-07-01 2021-09-30 CY2020Q3 2021-10-28 0001070412-21-000065 $ 215,738,737 View
2021-01-01 2021-12-31 CY2019 2022-02-10 0001070412-22-000011 $ -1,280,000 View
2014-01-01 2014-12-31 CY2013Q4I 2015-02-06 0001070412-15-000009 $ 75,947,000 View
2012-07-01 2012-09-30 CY2012Q3I 2012-11-01 0001070412-12-000035 $ 150,129,000 View
2013-07-01 2013-09-30 CY2013Q3I 2013-11-01 0001070412-13-000032 $ 156,568,000 View
2022-01-01 2022-03-31 CY2022Q1I 2022-04-28 0001070412-22-000025 $ 473,045,000 View
2011-10-01 2011-12-31 CY2010Q4I 2012-02-10 0001070412-12-000008 $ 151,034,000 View
2012-01-01 2012-03-31 CY2012Q1I 2012-04-30 0001070412-12-000015 $ 150,377,000 View
2012-10-01 2012-12-31 CY2011Q4I 2013-02-07 0001070412-13-000011 $ 155,648,000 View
2013-04-01 2013-06-30 CY2013Q2I 2013-08-05 0001070412-13-000027 $ 155,518,000 View
2014-01-01 2014-03-31 CY2014Q1I 2014-05-06 0001070412-14-000010 $ 71,358,000 View
2014-04-01 2014-06-30 CY2014Q2I 2014-08-01 0001070412-14-000019 $ 73,406,000 View
2009-04-01 2009-06-30 CY2008Q2 2009-08-03 0001193125-09-161835 $ 180,644,498 View
2013-01-01 2013-12-31 CY2012Q4I 2014-02-07 0001070412-14-000005 $ 71,468,000 View
2014-07-01 2014-09-30 CY2014Q3I 2014-11-04 0001070412-14-000024 $ 73,398,000 View
2015-01-01 2015-03-31 CY2015Q1I 2015-05-05 0001070412-15-000015 $ 74,725,000 View
2015-04-01 2015-06-30 CY2015Q2I 2015-07-31 0001070412-15-000026 $ 75,365,000 View
2015-07-01 2015-09-30 CY2015Q3I 2015-11-03 0001070412-15-000034 $ 75,714,000 View
2023-01-01 2023-12-31 CY2022Q4I 2024-02-08 0001070412-24-000015 $ 15,983,000 View
2011-01-01 2011-03-31 CY2010Q1I 2011-05-03 0001070412-11-000008 $ 226,350,594,000 View
2018-01-01 2018-03-31 CY2017Q1 2018-05-03 0001070412-18-000048 $ 221,930,165 View
2018-04-01 2018-06-30 CY2017Q2 2018-08-02 0001070412-18-000071 $ 215,991,490 View
2018-07-01 2018-09-30 CY2017Q3 2018-10-30 0001070412-18-000086 $ 210,238,509 View
2018-01-01 2018-12-31 CY2016 2019-02-07 0001070412-19-000024 $ 212,348,581 View
2019-01-01 2019-12-31 CY2017 2020-02-10 0001070412-20-000011 $ 190,727,122 View
2020-01-01 2020-12-31 CY2018 2021-02-09 0001070412-21-000016 $ 199,225,441 View
2011-04-01 2011-06-30 CY2011Q2I 2011-08-04 0001070412-11-000016 $ 149,025,000 View
2012-04-01 2012-06-30 CY2012Q2I 2012-08-01 0001070412-12-000026 $ 150,007,000 View
2016-04-01 2016-06-30 CY2016Q2I 2016-07-29 0001070412-16-000196 $ 68,687,000 View
2016-07-01 2016-09-30 CY2016Q3I 2016-11-01 0001070412-16-000212 $ 68,587,000 View
2017-07-01 2017-09-30 CY2017Q3I 2017-10-31 0001070412-17-000088 $ 66,165,000 View
2009-07-01 2009-09-30 CY2008Q3 2009-10-28 0001193125-09-215595 $ 180,725,194 View
2009-01-01 2009-12-31 CY2009 2010-02-09 0001193125-10-025522 $ 180,693,243 View
2009-01-01 2009-12-31 CY2007 2010-09-21 0001193125-10-213433 $ 180,693,243 View
2010-01-01 2010-03-31 CY2010Q1I 2010-05-04 0001193125-10-105758 $ 181,726,480 View
2010-01-01 2010-03-31 CY2010Q1I 2010-09-21 0001193125-10-213430 $ 181,726,480 View
2010-04-01 2010-06-30 CY2009Q2 2010-08-02 0001193125-10-173799 $ 225,715,539 View
2010-07-01 2010-09-30 CY2009Q3 2010-11-01 0001193125-10-242202 $ 225,781,539 View
2017-01-01 2017-12-31 CY2015 2018-02-07 0001070412-18-000031 $ 228,835,112 View
2019-01-01 2019-03-31 CY2018Q1 2019-04-30 0001070412-19-000042 $ 197,475,702 View
2019-04-01 2019-06-30 CY2018Q2 2019-07-30 0001070412-19-000107 $ 191,524,289 View
2019-07-01 2019-09-30 CY2018Q3 2019-10-29 0001070412-19-000124 $ 187,448,749 View
2020-01-01 2020-03-31 CY2019Q1 2020-04-27 0001070412-20-000024 $ 186,918,361 View
2020-04-01 2020-06-30 CY2019Q2 2020-08-03 0001070412-20-000030 $ 187,316,463 View
2020-07-01 2020-09-30 CY2019Q3 2020-10-29 0001070412-20-000044 $ 198,727,472 View
2010-10-01 2010-12-31 CY2009Q4I 2011-02-10 0001193125-11-030435 $ 27,754,000 View
2011-07-01 2011-09-30 CY2011Q3I 2011-10-31 0001070412-11-000026 $ 149,827,000 View
2016-01-01 2016-03-31 CY2016Q1I 2016-04-28 0001070412-16-000146 $ 68,846,000 View
2016-01-01 2016-12-31 CY2015Q4I 2017-02-08 0001070412-17-000017 $ 67,277,000 View
2023-07-01 2023-09-30 CY2022Q3 2023-10-25 0001070412-23-000105 $ 22,798,000 View
2022-04-01 2022-06-30 CY2021Q2 2022-07-28 0001070412-22-000045 $ 34,733,000 View
2022-07-01 2022-09-30 CY2021Q3 2022-10-27 0001070412-22-000054 $ -427,072,000 View
2023-01-01 2023-03-31 CY2022Q1 2023-04-27 0001070412-23-000071 $ 711,827,000 View
2023-04-01 2023-06-30 CY2022Q2 2023-07-27 0001070412-23-000092 $ 476,364,000 View
2024-01-01 2024-03-31 CY2023Q1 2024-04-25 0001070412-24-000027 $ 6,851,000 View
2022-01-01 2022-12-31 CY2021Q4I 2023-02-09 0001070412-23-000015 $ 26,397,000 View
2024-04-01 2024-06-30 CY2024Q2 2024-07-25 0001070412-24-000039 $ 38,634,000 View
2024-07-01 2024-09-30 CY2024Q3I 2024-10-24 0001070412-24-000061 $ 3,388,597,000 View
2024-01-01 2024-12-31 CY2024 2025-02-11 0001070412-25-000049 $ 4,915,000 View
2025-01-01 2025-03-31 CY2025Q1 2025-04-24 0001070412-25-000059 $ 8,816,000 View
SEC Facts By Type
Type Name Description View
srt Oil and Gas, Exploratory Well Drilled, Net Nonproductive, Number Number of exploratory oil and gas wells incapable of producing either oil or gas in sufficient quantity to justify completion as oil or gas well. View
srt Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of extensions, discoveries and improved recovery of proved oil and gas reserves. View
srt Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows Amount of estimated future accumulated cash inflow from the sale of proved oil and gas reserves. View
srt Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs Amount of estimated future accumulated cash outflow for costs to be incurred in developing proved oil and gas reserves. View
srt Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense Amount of estimated future accumulated cash outflow for income tax, based on the future income less future expense derived from production and sale of proved oil and gas reserves. View
srt Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows Amount, after future accumulated cash outflow for development and production costs and future income tax, of estimated future accumulated cash inflow from the sale of proved oil and gas reserves. View
srt Oil and Gas, Undeveloped Acreage, Gross Leased area with working interest ownership on which oil and gas wells have not been drilled or completed that would permit production of economic quantities of oil and gas. Excludes area of undrilled acreage held by production under terms of lease. View
srt Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of changes from other sources. View
us-gaap Accounts Payable (Deprecated 2009-01-31) Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. For classified balance sheets, used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer); for unclassified balance sheets, used to reflect the total liabilities (regardless of due date). View
us-gaap Accrued Liabilities, Current Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Accrued Salaries, Current Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. View
us-gaap Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. View
us-gaap Asset Retirement Obligation, Cash Paid to Settle Amount of cash paid during the period to settle an asset retirement obligation. Amounts paid to settle an asset retirement obligation are generally included in the operating section of the Statement of Cash Flows. View
us-gaap Asset Retirement Obligation, Current Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. View
us-gaap Business Acquisition, Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax (Deprecated 2011-01-31) The pro forma income from continuing operations before changes in accounting and extraordinary items, net of tax effect, for the period as if the business combination or combinations had been completed at the beginning of a period. View
us-gaap Capitalized Costs, Support Equipment and Facilities Capitalized costs incurred for support equipment and facilities used in oil and gas producing activities (such as seismic equipment, drilling equipment, construction and grading equipment, vehicles, repair shops, warehouses, supply points, camps, and division, district, or field offices). View
us-gaap Capitalized Costs, Unproved Properties Capitalized costs of unproved properties incurred for any combination mineral interests acquisitions and other costs not previously disclosed within this table. View
us-gaap Capitalized Costs, Wells and Related Equipment and Facilities Capitalized costs which include those incurred to (1) to drill and equip those exploratory wells and exploratory-type stratigraphic test wells that have found proved reserves and (2) obtain access to proved reserves and provide facilities for extracting, treating, gathering, storing the oil and gas, including the drilling and equipping of development wells and development-type stratigraphic wells and service wells. View
us-gaap Capitalized Exploratory Well Cost, Additions Pending Determination of Proved Reserves Additions to capitalized exploratory well costs that were added during the reporting period pending the determination of proved reserves. View
us-gaap Capitalized Exploratory Well Cost, Charged to Expense (Deprecated 2016-01-31) Capitalized exploratory well costs that were expensed during the year because proved reserves were not found at the exploratory well. View
us-gaap Capitalized Exploratory Well Cost, Charged to Expense Amount of expense for capitalized exploratory well costs for which proved reserves were not found at the exploratory well. View
us-gaap Capital Lease Obligations Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. View
us-gaap Capital Lease Obligations, Noncurrent Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date. View
us-gaap Cash Dividends (Deprecated 2009-01-31) Cash dividend declared by an entity to shareholders during the period. This element includes paid and unpaid dividends declared during the period. View
us-gaap Cash Provided by (Used in) Financing Activities, Discontinued Operations Amount of cash inflow (outflow) of financing activities of discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. View
us-gaap Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have proved reserves. View
us-gaap Cumulative Effect of Initial Adoption of FIN 48 (Deprecated 2011-01-31) Cumulative net-of-tax effect of initial adoption of FIN 48 - Accounting for Uncertainty in Income Taxes on the opening balance of retained earnings. The cumulative-effect adjustment does not include items that would not be recognized in earnings, such as the effect of adopting this Interpretation on tax positions related to business combinations. The amount of that cumulative-effect adjustment is the difference between the net amount of assets and liabilities recognized in the statement of financial position prior to the application of this Interpretation and the net amount of assets and liabilities recognized as a result of applying the provisions of this Interpretation. View
us-gaap Deferred State and Local Income Tax Expense (Benefit) Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from postretirement benefits. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from asset retirement obligations. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred rent. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves, classified as other. View
us-gaap Deferred Tax Assets, Valuation Allowance, Current Amount of valuation allowance of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as current. View
us-gaap Deferred Tax Assets, Valuation Allowance, Noncurrent Amount of valuation allowance of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as noncurrent. View
us-gaap Deferred Tax Liabilities, Net Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. View
us-gaap Deferred Tax Liabilities, Deferred Expense, Other Capitalized Costs Amount of deferred tax liability attributable to taxable temporary differences from capitalized costs classified as other. View
us-gaap Deferred Tax Liabilities, Derivatives Amount of deferred tax liability attributable to taxable temporary differences from derivatives. View
us-gaap Deferred Tax Liabilities, Investment in Noncontrolled Affiliates Amount of deferred tax liability attributable to taxable temporary differences from investments in unconsolidated subsidiaries and investments in other affiliates which are not controlled nor consolidated. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Weighted-Average Interest Crediting Rate Weighted-average interest crediting rate used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, cash balance and other defined benefit plans with promised interest crediting rate. View
us-gaap Defined Benefit Plan, Benefit Obligation, Benefits Paid Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components (Deprecated 2012-01-31) The effect of a one-percentage- point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components Amount of increase in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point increase in assumed health care cost trend rate. View
us-gaap Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position. View
us-gaap Defined Benefit Plan, Expected Amortization of Prior Service Cost (Credit), Next Fiscal Year Amount included in accumulated other comprehensive (income) loss for prior service cost (credit) expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payment, Year One Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payment, Year Five Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payment, Year Four Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payment, Year Three Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payment, Year Two Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year (Deprecated 2017-01-31) The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status. View
us-gaap Derivative Instruments and Hedges, Liabilities Sum as of the balance sheet date of the (a) fair values of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and (b) the carrying amounts of the liabilities arising from financial instruments or contracts used to mitigate a specified risk (hedge), and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements. View
us-gaap Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings. View
us-gaap Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. View
us-gaap Derivative Instruments, Gain (Loss) Recognized in Income, Net (Deprecated 2013-01-31) The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments. View
us-gaap Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31) The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. View
us-gaap Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion The effective portion of gain reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2013-01-31) The estimated future income tax expenses that will be incurred based on the future income less future expenses derived from production and sale of proved oil and gas reserves in this geographic region. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2014-01-31) Amount of estimated future income tax expense to be incurred based on the future income less future expense derived from production and sale of proved oil and gas reserves. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Net Cash Flows (Deprecated 2014-01-31) Amount of estimated net future cash inflows, after subtracting future development and production costs and future income tax expenses, from sale of proved oil and gas reserves. View
us-gaap Earnings Per Share, Diluted The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. View
us-gaap Effective Income Tax Rate Reconciliation, Deduction, Medicare Prescription Drug Benefit, Percent Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for Medicare prescription drug benefit subsidy. View
us-gaap Effective Income Tax Rate Reconciliation, Deduction, Other, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other deductions. View
us-gaap Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity. View
us-gaap Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). View
us-gaap Effective Income Tax Rate Reconciliation, Tax Contingency, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Credit, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. View
us-gaap Exploration and Production Costs (Deprecated 2018-01-31) Cost incurred related to the upstream oil and gas activities, such as the exploration, development, and production of crude petroleum and natural gas. View
us-gaap Exploratory Wells Drilled, Net Productive The number of productive exploratory wells drilled in the geographic area. A productive well is a well that is not a dry well. The number of wells drilled refers to the number of wells (holes) completed at any time during the fiscal years, regardless when drilling was initiated. View
us-gaap Finance Lease, Interest Payment on Liability Amount of interest paid on finance lease liability. View
us-gaap Finance Lease, Liability Present value of lessee's discounted obligation for lease payments from finance lease. View
us-gaap Finance Lease, Liability, Current Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. View
us-gaap Finance Lease, Liability, Noncurrent Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. View
us-gaap Finite-Lived Intangible Asset, Expected Amortization, Year Five Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows Amount of discount on future accumulated cash inflow, after deducting future accumulated cash outflow for development and production costs and future income tax, from sale of proved oil and gas reserves, using a discount rate of ten percent a year. View
us-gaap Gain (Loss) on Contract Termination Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform. View
us-gaap Gain (Loss) on Disposition of Assets Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. View
us-gaap Gain on Business Interruption Insurance Recovery The net amount (to the extent disclosed within this portion of the income statement) by which an insurance settlement exceeds incremental costs incurred from the event causing an interruption of business, plus the insurance award for earnings lost from the event, such as a natural catastrophe, explosion or fire. View
us-gaap Gas Gathering, Transportation, Marketing and Processing Costs (Deprecated 2018-01-31) Cost incurred related to the gas activities, such as transportation, marketing and processing crude oil, natural gas and refined petroleum products. View
us-gaap Gas Gathering, Transportation, Marketing and Processing Revenue (Deprecated 2018-01-31) Revenue related to midstream and downstream gas activities. May include the following: gathering from wells, processing to remove impurities, storage, transmission, and the sale of natural gas and related products. View
us-gaap Gas Purchase Payable, Current Carrying value as of the balance sheet date of obligations incurred and payable for purchases of natural gas. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Income (Loss) from Continuing Operations, Per Diluted Share The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. View
us-gaap Income Tax Credits and Adjustments A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions. View
us-gaap Income Tax Examination, Increase (Decrease) in Liability from Prior Year The amount the liability recorded for the income tax examination increased or decreased in the current year/accounting period. View
us-gaap Income Tax Examination, Interest Expense The amount of estimated interest recognized in the period arising from income tax examinations. View
us-gaap Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority. View
us-gaap Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount Amount of the difference between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity. View
us-gaap Increase (Decrease) in Accounts Receivable from Securitization The increase (decrease) during the reporting period in the amount owed to the reporting entity by counterparties in securitized loan transactions. View
us-gaap Increase (Decrease) in Income Taxes The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes, and in deferred and other tax liabilities and assets. View
us-gaap Interest Income, Other Amount of interest income earned from interest bearing assets classified as other. View
us-gaap Interest Paid, Including Capitalized Interest, Operating and Investing Activities Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities. View
us-gaap Interest Paid, Excluding Capitalized Interest, Operating Activities Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year Five Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year Four Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year Three Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year Two Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Liabilities, Current Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. View
us-gaap Liability for Claims and Claims Adjustment Expense, Disability, Accident and Health The amount needed to reflect the estimated ultimate cost of settling claims relating to disability, accident and health insurance insured events that have occurred on or before a particular date (ordinarily, the balance sheet date) and the amount needed to provide for the estimated ultimate cost required to investigate and settle claims relating to insured events that have occurred on or before a particular date (ordinarily, the balance sheet date), whether or not reported to the insurer at that date. View
us-gaap Long-Term Debt, Maturity, Year Five Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Long-Term Debt, Maturity, Year Four Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Long-Term Debt, Maturity, Year Three Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Long-Term Debt, Maturity, Year Two Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Long-term Debt, Excluding Current Maturities Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. View
us-gaap Net Cash Provided by (Used in) Financing Activities Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. View
us-gaap Net Cash Provided by (Used in) Financing Activities, Continuing Operations Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. View
us-gaap Noncash Project Abandonment Costs The expense charged against earnings to eliminate the capitalized costs of projects that have been terminated during the reporting period, which is added back to net income when calculating cash provided by (used in) operations using the indirect method. View
us-gaap Noncontrolling Interest, Increase from Business Combination Amount of increase in noncontrolling interest from a business combination. View
us-gaap Number of Operating Segments Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. View
us-gaap Operating Leases, Future Minimum Payments, Due in Two and Three Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second and third fiscal years following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due Thereafter Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Remainder of Fiscal Year Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Income Statement, Depreciation Expense on Property Subject to or Held-for-lease The total depreciation charge recorded for property subject to or held for lease. View
us-gaap Operating Leases, Rent Expense, Net Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. View
us-gaap Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate for operating lease calculated at point in time. View
us-gaap Other Accrued Liabilities (Deprecated 2009-01-31) Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. For classified balance sheets, used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer); for unclassified balance sheets, used to reflect the total liabilities (regardless of due date). View
us-gaap Other Accrued Liabilities, Current Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. View
us-gaap Other Comprehensive Income (Loss), Finalization of Pension and Non-Pension Postretirement Plan Valuation, Net of Tax (Deprecated 2012-01-31) After tax gain (loss) adjustment to other comprehensive income resulting from the settlement or curtailment of the entity's defined benefit pension and other postretirement plans. A settlement is defined as a transaction that (a) is an irrevocable action, (b) relieves the employer or plan of a primary responsibility for a pension benefit obligation, and (c) eliminates significant risks related to the obligations and the assets used to effect the settlement. A curtailment is an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Tax Effect (Deprecated 2012-01-31) Tax effect on adjustment out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period. View
us-gaap Other Operating Income The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation. View
us-gaap Other Postretirement Defined Benefit Plan, Noncurrent Liabilities (Deprecated 2009-01-31) For classified balance sheets this represents the noncurrent liability recognized in the balance sheet that is associated with other postretirement defined benefit plans (excluding pension plans). (The current liability will be separate, but it will normally be small, if there is even any at all.) For unclassified balance sheets, this represents the entire liability recognized in the balance sheet that is associated with the plans. View
us-gaap Other Significant Noncash Transaction, Value of Consideration Given "The value of the noncash (or part noncash) consideration given (for example, liability, equity) in a transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of a transaction not resulting in cash receipts or cash payments in the period." View
us-gaap Payments for Advance to Affiliate The cash outflow from advancing money to an affiliate (an entity that is related but not strictly controlled by the entity). View
us-gaap Payments to Acquire Interest in Subsidiaries and Affiliates The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). View
us-gaap Payments to Acquire Property, Plant, and Equipment The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. View
us-gaap Preferred Stock, Shares Outstanding Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. View
us-gaap Proceeds from Divestiture of Interest in Joint Venture The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting. View
us-gaap Proceeds from Equity Method Investment, Distribution, Return of Capital Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities. View
us-gaap Productive Oil Wells, Number of Wells, Net The total number of producing oil wells and oil wells capable of production, in which the entity owns a fractional working interest. View
us-gaap Net Income (Loss), Including Portion Attributable to Noncontrolling Interest The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. View
us-gaap Proved Developed and Undeveloped Reserves, Revisions of Previous Estimates Revisions represent changes in previous estimates of proved reserves, either upward or downward, resulting from new information (except for an increase in proved acreage) normally obtained from development drilling and production history or resulting from change in economic factors. View
us-gaap Proved Developed and Undeveloped Reserves, Sales of Minerals in Place Sales of minerals in place. View
us-gaap Proved Developed Reserves (Volume) Net quantities of an enterprise's interests in proved developed reserves of either crude oil (including condensate and natural gas liquids), natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas as of the beginning and the end of the year. "Net" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in "net" quantities if the necessary information is available to the enterprise. "Net" quantities does not include reserves relating to interests of others in properties owned by the enterprise. The unit of measure for reserve quantities is defined as "barrels" for oil and synthetic oil reserves or "cubic feet" or "cubic meters" for natural gas and synthetic gas reserves. View
us-gaap Repayments of Short-term Debt The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. View
us-gaap Restricted Cash and Cash Equivalents, Current Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Revisions of Previous Quantity Estimates Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of revisions of estimated quantity of oil and gas in proved reserves. View
us-gaap Royalty Revenue (Deprecated 2018-01-31) Revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights. View
us-gaap Senior Notes Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. View
us-gaap Servicing Asset at Fair Value, Amount Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. View
us-gaap Servicing Liability at Fair Value, Amount Fair value of a liability representing servicing arrangements under which the estimated future revenue from contractually specified servicing fees, late charges, and other ancillary revenues are not expected to adequately compensate the servicer. View
us-gaap Share-based Payment Arrangement, Noncash Expense Amount of noncash expense for share-based payment arrangement. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31) The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate The risk-free interest rate assumption that is used in valuing an option on its own shares. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number of shares authorized for issuance under share-based payment arrangement. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. View
us-gaap Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. View
us-gaap Stockholders' Equity Attributable to Parent Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. View
us-gaap Stock Repurchased During Period, Value Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. View
us-gaap Transfers Accounted for as Secured Borrowings, Associated Liabilities, Carrying Amount Carrying amount of liabilities associated with financial assets accounted for as secured borrowings recognized in the transferor's statement of financial position at the end of each period presented. View
us-gaap Treasury Stock Acquired, Average Cost Per Share Total cost of shares repurchased divided by the total number of shares repurchased. View
us-gaap Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. View
us-gaap Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. View
us-gaap Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. View
us-gaap Unrecognized Tax Benefits, Interest on Income Taxes Accrued Amount of interest expense accrued for an underpayment of income taxes. View
us-gaap Workers' Compensation Liability, Noncurrent Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Used to reflect the noncurrent portion of the liabilities (due beyond one year; or beyond one operating cycle if longer). View
us-gaap Deferred Tax Assets, Derivative Instruments Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments. View
us-gaap Deferred Income Tax Assets, Net Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting. View
us-gaap Goodwill, Impaired, Accumulated Impairment Loss Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method. View
us-gaap Interest on Convertible Debt, Net of Tax The after-tax amount of interest recognized in the period associated with any convertible debt. View
us-gaap Net Income (Loss) Available to Common Stockholders, Diluted Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders. View
us-gaap Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. View
us-gaap Share-based Payment Arrangement, Decrease for Tax Withholding Obligation Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement. View
us-gaap Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). View
us-gaap Other Liabilities, Noncurrent Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. View
us-gaap Other Noncash Income (Expense) Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other. View
us-gaap Other Nonoperating Expense Amount of expense related to nonoperating activities, classified as other. View
us-gaap Other Nonoperating Income Amount of income related to nonoperating activities, classified as other. View
us-gaap Other Nonoperating Income (Expense) Amount of income (expense) related to nonoperating activities, classified as other. View
srt Oil and Gas, Developed Acreage, Gross Area assigned to productive oil and gas wells with working interest ownership. View
us-gaap Other General and Administrative Expense Amount of general and administrative expense classified as other. View
us-gaap Other General Expense Amount of general expenses not normally included in Other Operating Costs and Expenses. View
us-gaap Other Income Amount of revenue and income classified as other. View
us-gaap Other Labor-related Expenses Amount of labor-related expenses classified as other. View
us-gaap Related Party Transaction, Amounts of Transaction Amount of transactions with related party during the financial reporting period. View
us-gaap Related Party Transaction, Expenses from Transactions with Related Party Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. View
us-gaap Rental Income, Nonoperating Income earned by providing the use of assets to an outside party in exchange for a payment or series of payments that is nonoperating in nature. View
us-gaap Repayments of Accounts Receivable Securitization Repayments of securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions. View
us-gaap Repayments of Lines of Credit Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. View
us-gaap Repayments of Long-term Debt The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. View
us-gaap Repayments of Other Debt Amount of cash outflow for the payment of debt classified as other. View
us-gaap Repayments of Other Long-term Debt Amount of cash outflow for the payment of debt classified as other, maturing after one year or the operating cycle, if longer. View
us-gaap Repayments of Secured Debt The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. View
us-gaap Deferred Tax Assets, Valuation Allowance Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. View
us-gaap Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Amount after tax of income (loss) from continuing operations attributable to the parent. View
dei Entity Common Stock, Shares Outstanding Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument. View
dei Entity Public Float The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter. View
invest Derivative, Nonmonetary Notional Amount Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. View
srt Decrease Due to Sales of Minerals in Place Amount of decrease in standardized measure of discounted future net cash flow as a result of sales of minerals in place. View
srt Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs Amount of estimated future accumulated cash outflow for costs to be incurred in producing proved oil and gas reserves. View
srt Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows Amount of discount on future accumulated cash inflow, after deducting future accumulated cash outflow for development and production costs and future income tax, from sale of proved oil and gas reserves, using a discount rate of ten percent a year. View
srt Oil and Gas, Developed Acreage, Net Area assigned to productive oil and gas wells representing summation of fractional ownership working interest to whole. View
srt Oil and Gas, Undeveloped Acreage, Net Leased area representing summation of fractional ownership working interest to whole on which oil and gas wells have not been drilled or completed that would permit production of economic quantities of oil and gas. Excludes area of undrilled acreage held by production under terms of lease. View
srt Changes in Estimated Future Development Costs Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs. View
srt Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in the estimated future income tax on future pretax net cash flows related to the entity's proved oil and gas reserves. View
srt Increase Due to Purchases of Minerals in Place Amount of increase in standardized measure of discounted future net cash flow as a result of purchases of minerals in place. View
srt Net Increase (Decrease) in Sales and Transfer Prices and Production Costs Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production. View
srt Oil and Gas, Delivery Commitment, Quantity Committed Quantity of oil and gas subject to delivery commitment. View
srt Previously Estimated Development Costs Incurred Amount of increase in standardized measure of discounted future net cash flow as a result of previously estimated development costs incurred. View
srt Gas, Productive Well, Number of Wells, Gross Number of producing gas wells and gas wells capable of production with working interest ownership. View
srt Gas, Productive Well, Number of Wells, Net Number of producing gas wells and gas wells capable of production representing summation of fractional ownership working interest to whole. View
srt Oil, Productive Well, Number of Wells, Gross Number of producing oil wells and oil wells capable of production with working interest ownership. View
srt Oil, Productive Well, Number of Wells, Net Number of producing oil wells and oil wells capable of production representing summation of fractional ownership working interest to whole. View
srt Proved Developed and Undeveloped Reserve, Extension and Discovery (Energy) Energy measure of increase in quantity of proved reserve of oil and gas resulting from the extension of the proved acreage of previously discovered reservoir or discovery of new field with proved reserve or of new reservoir of proved reserve in old field, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe). View
srt Proved Developed and Undeveloped Reserve, Net (Energy) Energy measure of proved reserve of oil and gas, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe). View
srt Proved Developed and Undeveloped Reserve, Production (Energy) Energy measure of decrease in quantity of proved reserve of oil and gas resulting from production, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe). View
srt Proved Developed and Undeveloped Reserve, Purchase of Mineral in Place (Energy) Energy measure of increase in quantity of proved reserve of oil and gas resulting from purchase of mineral in place, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe). View
srt Proved Developed and Undeveloped Reserve, Revision of Previous Estimate (Energy) Energy measure of increase (decrease) in quantity of proved reserve of oil and gas related to revision of a previous estimate resulting from new information, except for an increase in proved acreage, or change in economic factors, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe). View
srt Proved Developed and Undeveloped Reserves, Sale of Mineral in Place (Energy) Energy measure of decrease in quantity of proved reserve of oil and gas resulting from sale of mineral in place, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe). View
srt Proved Developed Reserves (Energy) Energy measure of interests in proved developed reserves of crude oil, including condensate and natural gas liquids, natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas. View
srt Proved Undeveloped Reserves (Energy) Energy measure of proved undeveloped reserves of crude oil, including condensate and natural gas liquids, natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas. View
srt Revisions of Previous Quantity Estimates Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of revisions of estimated quantity of oil and gas in proved reserves. View
srt Sales and Transfers of Oil and Gas Produced, Net of Production Costs Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of sales and transfers of oil and gas produced. View
srt Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease) Amount of increase (decrease) in standardized measure of discounted future net cash flow relating to proved oil and gas reserves. View
srt Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount Amount of accretion of discount for the standardized measure of discounted future net cash flow related to proved oil and gas reserves. View
srt Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves Amount of discounted future accumulated cash inflow relating to proved oil and gas reserves. View
srt 3241372 None View
us-gaap Accounts Payable, Current Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Accounts Payable, Related Parties, Current Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Accounts Payable, Related Parties Amount for accounts payable to related parties. View
us-gaap Accounts Receivable from Securitization The amount owed to the reporting entity by counterparties in securitized loan transactions. View
us-gaap Accounts Receivable, before Allowance for Credit Loss, Current Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. View
us-gaap Accounts Receivable, after Allowance for Credit Loss, Current Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. View
us-gaap Accretion Expense Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations. View
us-gaap Accretion of Discount (Deprecated 2016-01-31) Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of passage of time. View
us-gaap Accrual for Taxes Other than Income Taxes, Current Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Accrued Bonuses, Current Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Accrued Bonuses Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. View
us-gaap Accrued Environmental Loss Contingencies, Current Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer. View
us-gaap Accrued Income Taxes Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes. View
us-gaap Accrued Income Taxes, Current Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations. View
us-gaap Accrued Income Taxes Payable (Deprecated 2009-01-31) Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations. View
us-gaap Accrued Liabilities and Other Liabilities Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other. View
us-gaap Accrued Reclamation Costs, Current Current portion of reclamation reserve to restore a mining or drilling site to the condition agreed upon within the mining or drilling contract. View
us-gaap Accrued Royalties Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. View
us-gaap Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. View
us-gaap Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment, Period Increase (Decrease) Amount of increase (decrease) in accumulated depreciation, depletion and amortization of property, plant and equipment. View
us-gaap Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses. View
us-gaap Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). View
us-gaap Additional Paid in Capital Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock. View
us-gaap Segment Reporting Information, Expenditures for Additions to Long-Lived Assets (Deprecated 2013-01-31) Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets. View
us-gaap Amortization The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. View
us-gaap Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Adjustment to additional paid in capital resulting from the recognition of convertible debt instruments as two separate components - a debt component and an equity component. This bifurcation may result in a basis difference associated with the liability component that represents a temporary difference for purposes of applying accounting for income taxes. The initial recognition of deferred taxes for the tax effect of that temporary difference is as an adjustment to additional paid in capital. View
us-gaap Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation Amount of decrease in additional paid in capital (APIC) resulting from a tax deficiency associated with a share-based compensation plan other than an employee stock ownership plan (ESOP). View
us-gaap APIC, Share-based Payment Arrangement, Increase for Cost Recognition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. View
us-gaap Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit. View
us-gaap Advances for Gas Exploration, Development and Production Amount Discloses the period end balance sheet amount of advances for gas exploration, development and production. View
us-gaap Share-based Payment Arrangement, Expense Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. View
us-gaap Accounts Receivable, Allowance for Credit Loss, Current Amount of allowance for credit loss on accounts receivable, classified as current. View
us-gaap Allowance for Doubtful Other Receivables, Current Amount of valuation allowance for receivables classified as other, due within one year or the normal operating cycle, if longer. View
us-gaap Amortization of Intangible Assets The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. View
us-gaap Asset Impairment Charges Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. View
us-gaap Asset Retirement Obligation The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. View
us-gaap Asset Retirement Obligation, Accretion Expense Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. View
us-gaap Asset Retirement Obligation, Liabilities Incurred Amount of asset retirement obligations incurred during the period. View
us-gaap Asset Retirement Obligation, Liabilities Settled Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset. View
us-gaap Asset Retirement Obligation, Period Increase (Decrease) Amount of increase (decrease) in asset retirement obligations. View
us-gaap Asset Retirement Obligation, Revision of Estimate Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. View
us-gaap Asset Retirement Obligations, Noncurrent Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. View
us-gaap Assets Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. View
us-gaap Assets, Current Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. View
us-gaap Assets Disposed of by Method Other than Sale, in Period of Disposition, Gain (Loss) on Disposition (Deprecated 2012-01-31) The loss or gain included in earnings during the period resulting from the disposal of an asset through a means other than through sale, such as abandonment, spin-off, and expropriation. View
us-gaap Assets Held-for-sale, Long Lived, Fair Value Disclosure Fair value portion of assets classified as held for sale. View
us-gaap Disposal Group, Including Discontinued Operation, Assets Amount classified as assets attributable to disposal group held for sale or disposed of. View
us-gaap Disposal Group, Including Discontinued Operation, Assets, Current Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. View
us-gaap Average Sales Prices The revenues derived from sales of oil or gas in each geographic area during the reporting period divided by the number of barrels of oil produced or thousands of cubic feet of gas produced. View
us-gaap Basic Earnings Per Share, Pro Forma Pro forma basic earnings per share or earnings per unit, which is commonly presented in initial public offerings based on the terms of the offering. View
us-gaap Business Acquisition, Cost of Acquired Entity, Purchase Price (Deprecated 2013-01-31) The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition. View
us-gaap Business Acquisition, Percentage of Voting Interests Acquired Percentage of voting equity interests acquired at the acquisition date in the business combination. View
us-gaap Business Acquisition, Pro Forma Earnings Per Share, Basic The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. View
us-gaap Business Acquisition, Pro Forma Earnings Per Share, Diluted The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. View
us-gaap Derivative, Gain (Loss) on Derivative, Net Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. View
us-gaap Business Acquisition, Pro Forma Net Income (Loss) (Deprecated 2011-01-31) The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. View
us-gaap Business Acquisition, Pro Forma Revenue (Deprecated 2011-01-31) The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. View
us-gaap Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax Amount after tax of pro forma income from continuing operations as if the business combination had been completed at the beginning of a period. View
us-gaap Business Acquisition, Pro Forma Net Income (Loss) The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. View
us-gaap Business Acquisition, Pro Forma Revenue The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. View
us-gaap Business Combination, Acquisition Related Costs This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. View
us-gaap Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination. View
us-gaap Capitalized Costs, Accumulated Depreciation, Depletion, Amortization and Valuation Allowance Relating to Oil and Gas Producing Activities Amount of accumulated depreciation, depletion, amortization and valuation allowance relating to oil and gas producing activities. View
us-gaap Capitalized Costs, Oil and Gas Producing Activities, Gross The sum of capitalized costs relating to oil and gas producing activities before accounting for accumulated depreciation. View
us-gaap Capitalized Costs, Oil and Gas Producing Activities, Net Net amount of capitalized costs relating to oil and gas producing activities. View
us-gaap Capitalized Costs, Proved Properties Capitalized costs of proved properties incurred for any combination mineral interests acquisitions; wells and related equipment; support equipment and facilities; and uncompleted wells and equipment and other costs not previously disclosed within this table. View
us-gaap Capitalized Exploratory Well Costs The amount of capitalized exploratory well costs that is pending the determination of proved reserves. This does not include amounts that were capitalized and subsequently expensed in the same annual period. View
us-gaap Capitalized Exploratory Well Costs that Have Been Capitalized for Period Greater than One Year The amount of exploratory well costs that have been capitalized for a period of greater than one year after the completion of drilling. View
us-gaap Capitalized Exploratory Well Costs that Have Been Capitalized for Period of One Year or Less The amount of exploratory well costs that have been capitalized for a period of one year or less after the completion of drilling. View
us-gaap Capitalized Exploratory Well Costs, Thereafter (Deprecated 2013-01-31) The amount of capitalized exploratory well costs that have been capitalized for a period greater than or equal to five years after completion of drilling at balance sheet date. View
us-gaap Capital Leased Assets, Gross Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services. View
us-gaap Capital Lease Obligations, Current Amount of capital lease obligation due within one year or the normal operating cycle, if longer. View
us-gaap Capital Leases, Future Minimum Payments Due Amount of minimum lease payments for capital leases. View
us-gaap Capital Leases, Future Minimum Payments Due, Next Twelve Months Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due in Five Years Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due in Four Years Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due in Three Years Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due in Two Years Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due Thereafter Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments, Interest Included in Payments Amount necessary to reduce net minimum lease payments to present value for capital leases. View
us-gaap Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes. View
us-gaap Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization. View
us-gaap Cargo and Freight Revenue (Deprecated 2018-01-31) Revenue from transporting cargo and freight between locations. View
us-gaap Cash and Cash Equivalents, at Carrying Value Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. View
us-gaap Cash and Cash Equivalents, Period Increase (Decrease) Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. View
us-gaap Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net (Deprecated 2013-01-31) The amount of net gains or losses on a cash flow hedge reclassified in the period to earnings from accumulated other comprehensive income. View
us-gaap Cash Provided by (Used in) Investing Activities, Discontinued Operations Amount of cash inflow (outflow) of investing activities of discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. View
us-gaap Cash Provided by (Used in) Operating Activities, Discontinued Operations Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. View
us-gaap Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. View
us-gaap Coal Products and Services Revenue (Deprecated 2018-01-31) Revenue derived from sale of coal and related products. Also includes rendering of services and selling of products for exploration, development, mining, and processing, as well as supporting activities. View
us-gaap Common Stock, Dividends, Per Share, Cash Paid Aggregate dividends paid during the period for each share of common stock outstanding. View
us-gaap Common Stock, Dividends, Per Share, Declared Aggregate dividends declared during the period for each share of common stock outstanding. View
us-gaap Common Stock, Par or Stated Value Per Share Face amount or stated value per share of common stock. View
us-gaap Common Stock, Shares Authorized The maximum number of common shares permitted to be issued by an entity's charter and bylaws. View
us-gaap Common Stock, Shares, Issued Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. View
us-gaap Common Stock, Shares, Outstanding Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. View
us-gaap Common Stock, Value, Issued Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity. View
us-gaap Comprehensive Income (Loss), Net of Tax, Attributable to Parent Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. View
us-gaap Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners. View
us-gaap Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. View
us-gaap Contracts Revenue (Deprecated 2018-01-31) Amount of revenue earned from products sold or services provided under the terms of a contract, including, but not limited to, government contracts and construction contracts, classified as other. View
us-gaap Contract with Customer, Asset, after Allowance for Credit Loss Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. View
us-gaap Contract with Customer, Liability, Current Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. View
us-gaap Cost of Coal Products and Services (Deprecated 2018-01-31) Cost incurred related to exploration, development, mining, processing and providing mining support activities related to coal. View
us-gaap Cost of Purchased Oil and Gas (Deprecated 2018-01-31) Cost of oil and gas purchased during the reporting period. View
us-gaap Costs and Expenses Total costs of sales and operating expenses for the period. View
us-gaap Costs Incurred, Acquisition of Oil and Gas Properties Cost incurred, including capitalized costs and costs charged to expense, in acquisition of oil and gas properties. View
us-gaap Costs Incurred, Acquisition of Unproved Oil and Gas Properties Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have unproved reserves. View
us-gaap Costs Incurred, Development Costs Development costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities. View
us-gaap Costs Incurred, Exploration Costs Exploration costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities. View
us-gaap Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities Amount of costs incurred related to oil and gas property acquisition, exploration and development activities, including capitalized costs and costs charged to expense. View
us-gaap Cumulative Effect of Initial Adoption of FAS 158 (Deprecated 2011-01-31) Cumulative effect of initial adoption of Statement of Financial Accounting Standard 158 (FAS No. 158), Employers' Accounting for Defined Benefit Pension and Other Postretirement Plans on beginning retained earnings, net of tax. View
us-gaap Current Federal Tax Expense (Benefit) Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Current Foreign Tax Expense (Benefit) Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Current Income Tax Expense (Benefit) Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. View
us-gaap Current State and Local Tax Expense (Benefit) Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Debt and Lease Obligation Amount of short-term and long-term debt and lease obligation. View
us-gaap Debt, Current Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer. View
us-gaap Long-term Debt, Gross Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. View
us-gaap Debt Instrument, Convertible, Conversion Price The price per share of the conversion feature embedded in the debt instrument. View
us-gaap Debt Instrument, Face Amount Face (par) amount of debt instrument at time of issuance. View
us-gaap Debt Instrument, Repurchased Face Amount Face (par) amount of the original debt instrument that was repurchased. View
us-gaap Debt Instrument, Unamortized Discount Amount, after accumulated amortization, of debt discount. View
us-gaap Debt, Weighted Average Interest Rate Weighted average interest rate of debt outstanding. View
us-gaap Decrease Due to Sales of Minerals in Place Amount of decrease in standardized measure of discounted future net cash flow as a result of sales of minerals in place. View
us-gaap Deferred Federal Income Tax Expense (Benefit) Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Debt Issuance Costs, Net Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. View
us-gaap Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Adjustment The amount of any adjustment recognized to the balance of unamortized issuance costs associated with a share-lending arrangement entered into by the entity, in contemplation of a convertible debt offering or other financing, due, for example, to default by the share borrower. View
us-gaap Deferred Foreign Income Tax Expense (Benefit) Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Deferred Income Tax Expense (Benefit) Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Deferred Income Taxes and Tax Credits Amount of deferred income tax expense (benefit) and income tax credits. View
us-gaap Deferred Tax Liabilities, Gross Amount of deferred tax liability attributable to taxable temporary differences. View
us-gaap Deferred Income Tax Liabilities, Net Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting. View
us-gaap Deferred Revenue Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. View
us-gaap Deferred Tax Assets, Equity Method Investments Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from equity method investments. View
us-gaap Deferred Tax Assets, Gross Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. View
us-gaap Deferred Tax Assets, Hedging Transactions Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from hedging transactions. View
us-gaap Deferred Tax Assets, Net Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. View
us-gaap Deferred Tax Assets, Net of Valuation Allowance Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. View
us-gaap Deferred Tax Assets, Net of Valuation Allowance, Current Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current. View
us-gaap Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent. View
us-gaap Deferred Tax Assets, Operating Loss Carryforwards Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. View
us-gaap Deferred Tax Assets, Operating Loss Carryforwards, Domestic Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. View
us-gaap Deferred Tax Assets, Operating Loss Carryforwards, State and Local Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. View
us-gaap Deferred Tax Assets, Other Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. View
us-gaap Deferred Tax Assets, Property, Plant and Equipment Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. View
us-gaap Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards. View
us-gaap Deferred Tax Assets, Tax Credit Carryforwards, Foreign Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Other Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from compensation and benefits, classified as other. View
us-gaap Deferred Tax Liabilities, Leasing Arrangements Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. View
us-gaap Deferred Tax Liabilities, Net, Noncurrent Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent. View
us-gaap Deferred Tax Liabilities, Other Amount of deferred tax liability attributable to taxable temporary differences classified as other. View
us-gaap Deferred Tax Liabilities, Property, Plant and Equipment Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. View
us-gaap Liability, Defined Benefit Pension Plan, Current Amount of liability, recognized in statement of financial position, for defined benefit pension plan, classified as current. Excludes other postretirement benefit plan. View
us-gaap Liability, Defined Benefit Pension Plan, Noncurrent Amount of liability, recognized in statement of financial position, for defined benefit pension plan, classified as noncurrent. Excludes other postretirement benefit plan. View
us-gaap Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). View
us-gaap Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. View
us-gaap Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). View
us-gaap Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. View
us-gaap Defined Benefit Plan, Amortization of Gain (Loss) Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. View
us-gaap Defined Benefit Plan, Amortization of Net Gains (Losses) (Deprecated 2013-01-31) The amounts in accumulated other comprehensive income related to gains and losses that are not recognized immediately and are expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented. View
us-gaap Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. View
us-gaap Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate Weighted-average interest crediting rate used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, cash balance and other defined benefit plans with promised interest crediting rate. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2013-01-31) The future cost of developing oil and gas from proved reserves located in this geographic region. View
us-gaap Defined Benefit Plan, Benefit Obligation Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. View
us-gaap Defined Benefit Plan, Benefits Paid (Deprecated 2017-01-31) The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets. View
us-gaap Defined Benefit Plan, Plan Assets, Contributions by Employer Amount of contribution received by defined benefit plan from employer which increases plan assets. View
us-gaap Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment Amount of (increase) decrease in benefit obligation of defined benefit plan from event reducing expected years of future service of present employees or eliminating accrual of benefits for some or all future services of present employees. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation (Deprecated 2012-01-31) The effect of a one-percentage-point decrease in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits. View
us-gaap Defined Benefit Plan, Plan Assets, Amount Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2014-01-31) Amount of estimated future cost to be incurred in developing proved oil and gas reserves. View
us-gaap Defined Benefit Plan, Interest Cost Amount of cost recognized for passage of time related to defined benefit plan. View
us-gaap Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Amount of net periodic benefit cost (credit) for defined benefit plan. View
us-gaap Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets. View
us-gaap Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets. View
us-gaap Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets. View
us-gaap Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment Amount of increase (decrease) in benefit obligation of defined benefit plan from change in terms of existing plan or initiation of new plan. View
us-gaap Defined Benefit Plan, Plan Assets, Benefits Paid Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. View
us-gaap Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees. View
us-gaap Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. View
us-gaap Defined Benefit Plan, Service Cost Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. View
us-gaap Defined Benefit Plan, Target Allocation Percentage of Assets, Debt Securities (Deprecated 2012-01-31) Target allocation percentage of investments in debt securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position. View
us-gaap Defined Benefit Plan, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) The ultimate trend rate for health care costs. View
us-gaap Defined Contribution Plan, Cost Amount of cost for defined contribution plan. View
us-gaap Defined Contribution Plan, Employer Discretionary Contribution Amount Amount of discretionary contributions made by an employer to a defined contribution plan. View
us-gaap Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. View
us-gaap Depletion The noncash expense charged against earnings to recognize the consumption of natural resources. View
us-gaap Depreciation, Depletion and Amortization, Nonproduction The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. View
us-gaap Depreciation, Depletion and Amortization The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. View
us-gaap Derivative Asset, Current Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. View
us-gaap Derivative Asset, Noncurrent Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. View
us-gaap Derivative, Cash Received on Hedge The amount of cash received during the period on settlement of a hedge. View
us-gaap Derivative Asset, Fair Value, Gross Asset Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. View
us-gaap Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion The effective portion of loss reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. View
us-gaap Derivative Liability, Current Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. View
us-gaap Derivative Liability, Noncurrent Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. View
us-gaap Development Wells Drilled, Net Nonproductive The number of nonproductive development wells (dry wells) drilled in the geographic area. A dry well (hole) is a well found to be incapable of producing either oil or gas in sufficient quantities to justify completion as an oil or gas well. The number of wells drilled refers to the number of wells (holes) completed at any time during the fiscal years, regardless when drilling was initiated. View
us-gaap Development Wells Drilled, Net Productive The number of productive developmental wells drilled in the geographic area. A productive well is a well that is not a dry well. The number of wells drilled refers to the number of wells (holes) completed at any time during the fiscal years, regardless when drilling was initiated. View
us-gaap Direct Operating Cost, Royalty Expense (Deprecated 2018-01-31) Royalty expense incurred and are directly related to goods produced and sold and services rendered during the reporting period. View
us-gaap Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation. View
us-gaap Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. View
us-gaap Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax Amount after tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until disposal. View
us-gaap Discontinued Operation, Tax Effect of Discontinued Operation Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, 10 Percent Annual Discount for Estimated Timing of Cash Flows (Deprecated 2014-01-31) This is the amount that is derived from using a discount rate of ten percent a year to reflect the timing of the future net cash flows relating to proved oil and gas reserves. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Cash Inflows (Deprecated 2014-01-31) Amount of estimated future cash inflows from sale of proved oil and gas reserves. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2013-01-31) The future cost of producing oil and gas from proved reserves located in this geographic region. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2014-01-31) Amount of estimated future cost to be incurred in producing proved oil and gas reserves. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Standardized Measure (Deprecated 2014-01-31) This amount is the future net cash flows less the computed discount. View
us-gaap Disposal Group, Including Discontinued Operation, Accounts Payable and Accrued Liabilities Amount classified as accounts payable and accrued liabilities attributable to disposal group held for sale or disposed of. View
us-gaap Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Amount classified as cash and cash equivalents attributable to disposal group held for sale or disposed of. View
us-gaap Disposal Group, Including Discontinued Operation, Deferred Tax Assets Amount classified as deferred tax assets attributable to disposal group held for sale or disposed of. View
us-gaap Disposal Group, Including Discontinued Operation, Deferred Tax Assets, Noncurrent Amount classified as deferred tax assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer. View
us-gaap Disposal Group, Including Discontinued Operation, Inventory (Deprecated 2014-01-31) For the disposal group, including a component of the entity (discontinued operation), carrying amount of inventories (net of all valuation allowances and write-downs). View
us-gaap Disposal Group, Including Discontinued Operation, Operating Expense Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation. View
us-gaap Disposal Group, Including Discontinued Operation, Other Assets Amount classified as other assets attributable to disposal group held for sale or disposed of. View
us-gaap Disposal Group, Including Discontinued Operation, Other Assets, Current Amount classified as other assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. View
us-gaap Disposal Group, Including Discontinued Operation, Other Income Amount of other income attributable to disposal group, including, but not limited to, discontinued operation. View
us-gaap Disposal Group, Including Discontinued Operation, Other Liabilities Amount classified as other liabilities attributable to disposal group held for sale or disposed of. View
us-gaap Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent Amount classified as other assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer. View
us-gaap Disposal Group, Including Discontinued Operation, Postretirement Plan Benefit Obligation Amount classified as defined benefit non-pension postretirement plan obligations attributable to disposal group held for sale or disposed of. View
us-gaap Disposal Group, Including Discontinued Operation, Postretirement Plan Benefit Obligation, Noncurrent Amount classified as defined benefit non-pension postretirement plan obligations attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer. View
us-gaap Disposal Group, Including Discontinued Operation, Property, Plant and Equipment Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of. View
us-gaap Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Net (Deprecated 2014-01-31) For the disposal group, including a component of the entity (discontinued operation), carrying value (net of accumulated depreciation and any write-downs) of tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. View
us-gaap Disposal Group, Including Discontinued Operation, Revenue Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation. View
us-gaap Distribution Made to Limited Partner, Distributions Paid, Per Unit Per unit of ownership amount of cash distributions paid to unit-holder of a limited partnership (LP). View
us-gaap Dividends, Cash Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred. View
us-gaap Earnings Per Share, Basic The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. View
us-gaap Effective Income Tax Rate Reconciliation, Percent Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. View
us-gaap Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Percentage of domestic federal statutory tax rate applicable to pretax income (loss). View
us-gaap Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. View
us-gaap Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. View
us-gaap Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to noncontrolling interest income (loss) exempt from income taxes. View
us-gaap Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to depletion. View
us-gaap Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. View
us-gaap Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Percent Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other income tax contingencies. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Settlement, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax settlement. View
us-gaap Employee-related Liabilities Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. View
us-gaap Share-based Payment Arrangement, Cash Used to Settle Award Aggregate cash paid by the entity during the period to settle equity instruments granted under equity-based payment arrangements. View
us-gaap Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Amount of cost not yet recognized for nonvested award under share-based payment arrangement. View
us-gaap Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (Deprecated 2012-01-31) The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years. View
us-gaap Share-based Payment Arrangement, Expense, Tax Benefit Amount of tax benefit for recognition of expense of award under share-based payment arrangement. View
us-gaap Energy Related Inventory, Coal Carrying amount as of the balance sheet date of coal, which is a combustible rock or minerals which are extracted from the ground and used as fuel. View
us-gaap Entity-Wide Revenue, Major Customer, Amount (Deprecated 2013-01-31) Amount of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. View
us-gaap Proceeds from Equity Method Investment, Distribution Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities. View
us-gaap Equity Method Investment, Ownership Percentage The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. View
us-gaap Equity Method Investments This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. View
us-gaap Escrow Deposits Related to Property Sales Escrow deposits related to property sales in noncash investing and financing activities. View
us-gaap Excess of Replacement or Current Costs over Stated LIFO Value The excess of replacement or current cost over the stated LIFO (last in first out) inventory value when the LIFO inventory method is utilized. View
us-gaap Excess Stock, Shares Authorized Maximum number of excess stock shares permitted to be issued. View
us-gaap Excess Tax Benefit from Share-based Compensation, Financing Activities Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. View
us-gaap Expense Related to Distribution or Servicing and Underwriting Fees Expense related to distribution, servicing and underwriting fees. View
us-gaap Exploration Abandonment and Impairment Expense The adjustment to expense previously capitalized costs of drilling exploratory wells when proved reserves are not found or when the entity obtains information that raises substantial doubt about the economic or operational viability of the project. View
us-gaap Exploratory Wells Drilled, Net Nonproductive The number of nonproductive exploratory wells (dry wells) drilled in the geographic area. A dry well (hole) is a well found to be incapable of producing either oil or gas in sufficient quantities to justify completion as an oil or gas well. The number of wells drilled refers to the number of wells (holes) completed at any time during the fiscal years, regardless when drilling was initiated. View
us-gaap Income (Loss) from Continuing Operations before Income Taxes, Domestic The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations. View
us-gaap Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of extensions, discoveries and improved recovery of proved oil and gas reserves. View
us-gaap Extinguishment of Debt, Amount Gross amount of debt extinguished. View
us-gaap Federal Income Tax Expense (Benefit), Continuing Operations Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations. View
us-gaap Finance Lease, Interest Expense Amount of interest expense on finance lease liability. View
us-gaap Finance Lease, Liability, Payment, Due Amount of lessee's undiscounted obligation for lease payments for finance lease. View
us-gaap Finance Lease, Liability, to be Paid, after Year Five Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year One Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year Five Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year Four Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year Three Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year Two Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, Undiscounted Excess Amount Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease. View
us-gaap Finance Lease, Principal Payments Amount of cash outflow for principal payment on finance lease. View
us-gaap Finance Lease, Right-of-Use Asset, after Accumulated Amortization Amount, after accumulated amortization, of right-of-use asset from finance lease. View
us-gaap Finance Lease, Right-of-Use Asset, Accumulated Amortization Amount of accumulated amortization of right-of-use asset from finance lease. View
us-gaap Finance Lease, Right-of-Use Asset, Amortization Amount of amortization expense attributable to right-of-use asset from finance lease. View
us-gaap Finance Lease, Right-of-Use Asset, before Accumulated Amortization Amount, before accumulated amortization, of right-of-use asset from finance lease. View
us-gaap Finance Lease, Weighted Average Discount Rate, Percent Weighted average discount rate for finance lease calculated at point in time. View
us-gaap Finite-Lived Customer Relationships, Gross Gross carrying amount before accumulated amortization as of the balance sheet date to an asset acquired in a business combination representing a favorable existing relationship with customers having a finite beneficial life. View
us-gaap Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. View
us-gaap Finite-Lived Intangible Asset, Expected Amortization, Year One Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest. View
us-gaap Finite-Lived Intangible Asset, Expected Amortization, Year Four Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finite-Lived Intangible Asset, Expected Amortization, Year Three Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finite-Lived Intangible Asset, Expected Amortization, Year Two Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finite-Lived Intangible Assets, Net Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. View
us-gaap Freight Costs (Deprecated 2018-01-31) Cost of freight-in, whether based on weight, negotiated freight rates and method of transportation (that is, rail, barge, truck, and so forth). View
us-gaap Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows Amount of estimated future accumulated cash inflow from the sale of proved oil and gas reserves. View
us-gaap Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs Amount of estimated future accumulated cash outflow for costs to be incurred in developing proved oil and gas reserves. View
us-gaap Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense Amount of estimated future accumulated cash outflow for income tax, based on the future income less future expense derived from production and sale of proved oil and gas reserves. View
us-gaap Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows Amount, after future accumulated cash outflow for development and production costs and future income tax, of estimated future accumulated cash inflow from the sale of proved oil and gas reserves. View
us-gaap Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs Amount of estimated future accumulated cash outflow for costs to be incurred in producing proved oil and gas reserves. View
us-gaap Gain (Loss) on Hedging Activity Gain (loss) incurred in hedging activities. View
us-gaap Gain (Loss) on Sale of Commodity Contracts The difference between the book value and the sale price of agreements to purchase or sell mineral resources, energy, and agricultural products at some future point. This element refers to the gain (loss) included in earnings and not to the cash proceeds. View
us-gaap Gain (Loss) on Sale of Derivatives The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. View
us-gaap Gain (Loss) on Disposition of Other Assets Amount of gain (loss) on sale or disposal of other assets. View
us-gaap Gain (Loss) on Sale of Properties The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. View
us-gaap Gain (Loss) on Sale of Properties, Applicable Income Taxes (Deprecated 2020-01-31) This element represents the applicable amount of income taxes or benefit realized on the gain (loss) on sale of properties during the reporting period. View
us-gaap Gain (Loss) on Disposition of Property Plant Equipment Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. View
us-gaap Gain (Loss) on Sale of Assets and Asset Impairment Charges Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value. View
us-gaap Income (Loss) from Continuing Operations, Per Basic Share The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. View
us-gaap Gain (Loss) on Extinguishment of Debt Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. View
us-gaap Gas and Oil Acreage, Developed, Gross (Deprecated 2012-01-31) Developed acres are acres spaced or assigned to productive wells. Gross acreage is an acre in which a working interest is owned. View
us-gaap Gas and Oil Acreage, Developed, Net (Deprecated 2012-01-31) Developed acres are acres spaced or assigned to productive wells. Net acres is the sum of the fractional interest owned based on working interests or other economic arrangements. View
us-gaap Gas and Oil Acreage, Undeveloped, Gross (Deprecated 2012-01-31) Undeveloped acreage is considered to be those lease acres on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas regardless of whether or not such acreage contains proved reserves. Gross acreage is an acre in which a working interest is owned. View
us-gaap Gas and Oil Acreage, Undeveloped, Net (Deprecated 2012-01-31) Undeveloped acreage is considered to be those lease acres on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas regardless of whether or not such acreage contains proved reserves. Net acres is the sum of the fractional interest owned based on working interests or other economic arrangements. View
us-gaap Gas and Oil Area, Developed, Gross Area spaced or assigned to productive wells in which a working interest is owned. View
us-gaap Gas and Oil Area, Developed, Net Fractional interest owned based on working interests or other economic arrangements of area spaced or assigned to productive wells. View
us-gaap Gas and Oil Area, Undeveloped, Gross Lease area in which a working interest is owned and on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas regardless of whether or not such area contains proved reserves. View
us-gaap Gas and Oil Area, Undeveloped, Net Fractional interest owned based on working interests or other economic arrangements of lease area on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas regardless of whether or not such area contains proved reserves. View
us-gaap General and Administrative Expense The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. View
us-gaap Goodwill Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. View
us-gaap Goodwill, Acquired During Period Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. View
us-gaap Goodwill, Impairment Loss Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. View
us-gaap Guarantor Obligations, Maximum Exposure, Undiscounted Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. View
us-gaap Impairment of Intangible Assets, Finite-lived The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. View
us-gaap Impairment of Long-Lived Assets Held-for-use The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). View
us-gaap Impairment of Long-Lived Assets to be Disposed of The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. View
us-gaap Impairment of Oil and Gas Properties The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced. View
us-gaap Income (Loss) Attributable to Noncontrolling Interest, before Tax Amount, before tax, of income (loss) attributable to noncontrolling interest. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments. View
us-gaap Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. View
us-gaap Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest Amount after tax of income (loss) from a discontinued operation attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. View
us-gaap Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. View
us-gaap Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation. View
us-gaap Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation. View
us-gaap Income (Loss) from Equity Method Investments Amount of income (loss) for proportionate share of equity method investee's income (loss). View
us-gaap Income (Loss) from Equity Method Investments, Net of Dividends or Distributions This element represents the undistributed income (or loss) of equity method investments, net of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporations; such investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities. View
us-gaap Income Tax Expense (Benefit) Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. View
us-gaap Income Tax Expense (Benefit), Continuing Operations (Deprecated 2013-01-31) The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy. View
us-gaap Income Taxes Paid The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. View
us-gaap Income Taxes Receivable, Current Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. View
us-gaap Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. View
us-gaap Effective Income Tax Rate Reconciliation, Deduction, Medicare Prescription Drug Benefit, Amount Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for Medicare prescription drug benefit subsidy. View
us-gaap Effective Income Tax Rate Reconciliation, Deduction, Other, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other deductions. View
us-gaap Increase (Decrease) in Accounts Payable The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. View
us-gaap Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit). View
us-gaap Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. View
us-gaap Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to noncontrolling interest income (loss) exempt from income taxes. View
us-gaap Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible depletion. View
us-gaap Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. View
us-gaap Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense (benefit). View
us-gaap Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). View
us-gaap Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in other income tax contingencies. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Credit, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Settlement, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Settlement, Foreign, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax settlement. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax settlement. View
us-gaap Increase (Decrease) Cash Collateral from Counterparties The increase (decrease) during the reporting period in the amount of cash held either as collateral directly or provided to third parties associated with derivative instruments. Upon the occurrence of any specified triggering event or condition associated with the derivative, these amounts can be utilized to recover all or a portion of the amounts due or payable under the derivative. View
us-gaap Increase (Decrease) in Accounts and Notes Receivable The increase (decrease) during the reporting period of the sum of amounts due within one year (or one business cycle) from customers for the credit sale of goods and services; and from note holders for outstanding loans. View
us-gaap Increase (Decrease) in Accrued Cost of Oil and Gas Reclamation The increase (decrease) during the reporting period in accrued costs that represent future cash outlays for restoration and reclamation of oil and gas producing properties. View
us-gaap Increase (Decrease) in Income Taxes Payable The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction. View
us-gaap Increase (Decrease) in Deferred Income Taxes The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa. View
us-gaap Changes in Estimated Future Development Costs Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs. View
us-gaap Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in the estimated future income tax on future pretax net cash flows related to the entity's proved oil and gas reserves. View
us-gaap Increase (Decrease) in Interest Payable, Net The increase (decrease) during the reporting period in interest payable, which represents the amount owed to note holders, bond holders, and other parties for interest earned on loans or credit extended to the reporting entity. View
us-gaap Increase (Decrease) in Inventories The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. View
us-gaap Increase (Decrease) in Other Accrued Liabilities The increase (decrease) during the reporting period in other expenses incurred but not yet paid. View
us-gaap Increase (Decrease) in Other Operating Assets Amount of increase (decrease) in operating assets classified as other. View
us-gaap Increase (Decrease) in Other Operating Assets and Liabilities, Net Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other. View
us-gaap Increase (Decrease) in Other Operating Liabilities Amount of increase (decrease) in operating liabilities classified as other. View
us-gaap Increase (Decrease) in Obligation, Other Postretirement Benefits Amount of increase (decrease) in obligation for other postretirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans. Excludes pension benefits. View
us-gaap Increase (Decrease) in Prepaid Expense The increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods. View
us-gaap Increase (Decrease) in Restricted Cash The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities. View
us-gaap Increase Due to Purchases of Minerals in Place Amount of increase in standardized measure of discounted future net cash flow as a result of purchases of minerals in place. View
us-gaap Increase in Unrecognized Tax Benefits is Reasonably Possible Amount of increase reasonably possible in the next twelve months for the unrecognized tax benefit. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. View
us-gaap Insurance Recoveries The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. View
us-gaap Intangible Assets, Net (Excluding Goodwill) Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. View
us-gaap Interest Costs Capitalized Amount of interest capitalized during the period. View
us-gaap Capitalized Interest Costs, Including Allowance for Funds Used During Construction Amount of interest capitalized, including amount of allowance for funds used during construction. View
us-gaap Interest Expense Amount of the cost of borrowed funds accounted for as interest expense. View
us-gaap Interest Expense, Debt Amount of the cost of borrowed funds accounted for as interest expense for debt. View
us-gaap Interest Expense, Other Amount of interest expense classified as other. View
us-gaap Interest Income (Expense), Net The net amount of operating interest income (expense). View
us-gaap Interest Income, Operating Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities. View
us-gaap Interest Payable, Current Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Inventory, Net Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. View
us-gaap Inventory, Supplies, Net of Reserves Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of products used directly or indirectly in the manufacturing or production process, which may or may not become part of the final product. May also include items used in the storage, presentation or transportation of physical goods. View
us-gaap Investments and Cash Sum of investments and unrestricted cash as of the balance sheet date. View
us-gaap Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Amount of investment in equity method investee and investment in and advance to affiliate. View
us-gaap Operating Leases, Rent Expense Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. View
us-gaap Lease, Cost Amount of lease cost recognized by lessee for lease contract. View
us-gaap Lease Incentive, Payable, Current This item represents an incentive or inducement contractually stipulated between parties to a lease whereby the lessor has committed to provide the entity (lessee) with a cash payment as inducement to enter the lease. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Oil and Gas Property, Lease Operating Expense (Deprecated 2018-01-31) Amount of lease operating expense related to property used in oil and gas production. View
us-gaap Lessee, Operating Lease, Liability, to be Paid Amount of lessee's undiscounted obligation for lease payment for operating lease. View
us-gaap Lessee, Operating Lease, Liability, to be Paid, after Year Five Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year One Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, Undiscounted Excess Amount Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. View
us-gaap Letters of Credit Outstanding, Amount The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. View
us-gaap LIFO Inventory Amount The amount of LIFO (last in first out) inventory present at the reporting date when inventory is also valued using different valuation methods. View
us-gaap Liabilities Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future. View
us-gaap Liabilities and Equity Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. View
us-gaap Disposal Group, Including Discontinued Operation, Liabilities Amount classified as liabilities attributable to disposal group held for sale or disposed of. View
us-gaap Disposal Group, Including Discontinued Operation, Liabilities, Current Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. View
us-gaap Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer. View
us-gaap Liability for Uncertainty in Income Taxes, Current Amount recognized for uncertainty in income taxes classified as current. View
us-gaap Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31) Amount borrowed under the credit facility as of the balance sheet date. View
us-gaap Line of Credit Facility, Average Outstanding Amount Average amount borrowed under the credit facility during the period. View
us-gaap Line of Credit Facility, Collateral Fees, Amount Amount of the fees associated with providing collateral for the credit facility. View
us-gaap Line of Credit Facility, Current Borrowing Capacity Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. View
us-gaap Line of Credit Facility, Increase, Additional Borrowings (Deprecated 2013-01-31) Increase for additional borrowings on the credit facility during the period. View
us-gaap Line of Credit Facility, Maximum Borrowing Capacity Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. View
us-gaap Estimated Litigation Liability, Current Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position. View
us-gaap Litigation Settlement, Gross (Deprecated 2013-01-31) This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period. View
us-gaap Long-term Debt Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. View
us-gaap Long-term Debt and Lease Obligation Amount of long-term debt and lease obligation, classified as noncurrent. View
us-gaap Long-term Debt and Lease Obligation, Current Amount of long-term debt and lease obligation, classified as current. View
us-gaap Long-term Debt and Lease Obligation, Including Current Maturities Amount of long-term debt and lease obligation, including portion classified as current. View
us-gaap Long-term Debt, Current Maturities Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. View
us-gaap Long-term Debt, Fair Value The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. View
us-gaap Long-Term Debt, Maturity, after Year Five Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Long-Term Debt, Maturity, Year One Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Adjustment for Settlement or Curtailment Gain (Loss), Tax Amount of tax expense (benefit) for increase (decrease) to other comprehensive income from settlement and curtailment gain (loss) of defined benefit plan. View
us-gaap Long-term Line of Credit, Noncurrent The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. View
us-gaap Loss Contingency Accrual, Carrying Value, Provision (Deprecated 2013-01-31) The charge against earnings in the period to increase loss contingency liabilities, net of any adjustments to reduce previously estimated charges. View
us-gaap Loss Contingency, Range of Possible Loss, Maximum (Deprecated 2016-01-31) The estimated maximum amount of possible loss from the contingency. View
us-gaap Loss Contingency, Range of Possible Loss, Portion Not Accrued The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date. View
us-gaap Unsuccessful Business Combination Costs (Deprecated 2013-01-31) Amount of direct costs of an unsuccessful business combination including legal, accounting, and other costs that were charged to expense during the period, but may have been capitalized had the contemplated transaction been completed. View
us-gaap Mine Reclamation and Closing Liability, Noncurrent Amount of a reclamation and mine closing liability that is associated with a legal obligation for the closure and reclamation of a mine including the removal of buildings, equipment, machinery and other physical remnants of mining, closure of tailings impoundments, leach pads and other mine features, and contouring, covering and revegetation of waste rock piles and other disturbed areas. View
us-gaap Stockholders' Equity Attributable to Noncontrolling Interest Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest). View
us-gaap Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. View
us-gaap Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests). View
us-gaap Noncontrolling Interest, Increase from Equity Issuance or Sale of Parent Equity Interest (Deprecated 2013-01-31) Represents an increase in noncontrolling interest from issuance of additional equity interests to noncontrolling interest holders or the sale of a portion of the parent's controlling interest. View
us-gaap Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. View
us-gaap Noncontrolling Interest, Period Increase (Decrease) Net Increase or Decrease in balance of noncontrolling interest in the subsidiary during the reporting period. View
us-gaap Natural Gas Midstream Revenue (Deprecated 2018-01-31) Midstream refers to those gas industry activities that fall between exploration and production (upstream) and refining and marketing (downstream). It may be applied to the gathering, processing, transmission and storage of natural gas; including the treating of natural gas to remove impurities, along with the sale of by-products such as residue gas, natural gas liquids and condensate. View
us-gaap Net Cash Provided by (Used in) Investing Activities Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. View
us-gaap Net Cash Provided by (Used in) Investing Activities, Continuing Operations Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. View
us-gaap Net Cash Provided by (Used in) Operating Activities Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. View
us-gaap Net Cash Provided by (Used in) Operating Activities, Continuing Operations Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. View
us-gaap Net Income (Loss) Attributable to Parent The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. View
us-gaap Net Income (Loss) Attributable to Noncontrolling Interest Amount of Net Income (Loss) attributable to noncontrolling interest. View
us-gaap Net Income (Loss) Available to Common Stockholders, Basic Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. View
us-gaap Net Increase (Decrease) in Sales and Transfer Prices and Production Costs Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production. View
us-gaap New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification (Deprecated 2020-01-31) Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements. View
us-gaap Noninterest Expense Offering Cost Includes offering costs of open-end investment companies, and closed-end funds with a continuous offering period. View
us-gaap Nonoperating Income (Expense) The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). View
us-gaap Notes and Loans Payable, Current Sum of the carrying values as of the balance sheet date of the portions of all long-term notes and loans payable due within one year or the operating cycle if longer. View
us-gaap Financing Receivable, before Allowance for Credit Loss, Current Amount, before allowance for credit loss, of financing receivable, classified as current. View
us-gaap Financing Receivable, after Allowance for Credit Loss, Current Amount, after allowance for credit loss, of financing receivable, classified as current. Includes, but is not limited to, notes and loan receivable. View
us-gaap Financing Receivable, after Allowance for Credit Loss, Noncurrent Amount, after allowance for credit loss, of financing receivable, classified as noncurrent. View
us-gaap Financing Receivable, after Allowance for Credit Loss Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement. View
us-gaap Notes Receivable, Related Parties, Current Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due within 1 year (or 1 business cycle). View
us-gaap Notional Amount of Cash Flow Hedge Instruments (Deprecated 2013-01-31) Aggregate notional amount of all derivatives designated as cash flow hedging instruments. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument. View
us-gaap Operating Leases, Future Minimum Payments, Due in Two Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Number of Reportable Segments Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. View
us-gaap Offering Costs, Partnership Interests Costs incurred in connection with the offering and selling of additional partner interest. View
us-gaap Oil and Gas Delivery Commitments and Contracts, Remaining Contractual Volume Total amount of product committed to be supplied under existing contracts or agreements. View
us-gaap Oil and Gas Production Expense (Deprecated 2018-01-31) Costs incurred to operate and maintain an entities' wells and related equipment and facilities, including depreciation and applicable operating costs of support equipment and facilities and other costs of operating and maintaining those wells and related equipment and facilities. View
us-gaap Oil and Gas Reclamation Liability, Noncurrent Amount of a reclamation liability that is associated with a legal obligation for the closure and reclamation of oil and gas properties. View
us-gaap Oil and Gas Sales Revenue (Deprecated 2018-01-31) Revenue from the sale of oil and gas during the period. View
us-gaap Operating Expenses Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. View
us-gaap Operating Income (Loss) The net result for the period of deducting operating expenses from operating revenues. View
us-gaap Operating Lease, Cost Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. View
us-gaap Operating Lease, Expense Amount of operating lease expense. Excludes sublease income. View
us-gaap Operating Lease, Liability Present value of lessee's discounted obligation for lease payments from operating lease. View
us-gaap Operating Lease, Liability, Current Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. View
us-gaap Operating Lease, Liability, Noncurrent Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. View
us-gaap Operating Lease, Payments Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. View
us-gaap Operating Lease, Right-of-Use Asset Amount of lessee's right to use underlying asset under operating lease. View
us-gaap Operating Leases, Future Minimum Payments Due Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. View
us-gaap Operating Leases, Future Minimum Payments Due, Next Twelve Months Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due in Five Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due in Four and Five Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth and fifth fiscal years following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due in Four Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due in Three Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Other Accrued Liabilities Amount of expenses incurred but not yet paid classified as other. View
us-gaap Amortization of Other Deferred Charges Amount of amortization of other deferred costs recognized in the income statement. View
us-gaap Other Assets Amount of assets classified as other. View
us-gaap Other Assets, Miscellaneous, Noncurrent Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer. View
us-gaap Other Assets, Noncurrent Amount of noncurrent assets classified as other. View
us-gaap Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (Deprecated 2012-01-31) The adjustment out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period, after tax. View
us-gaap Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (Deprecated 2012-01-31) The increase (decrease) in accumulated comprehensive income during the period related to pension and other postretirement benefit plans, after tax. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent. View
us-gaap Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax (Deprecated 2012-01-31) Tax effects of the increase (decrease) to accumulated comprehensive income during the period related to benefit plans. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax (Deprecated 2012-01-31) Net of tax effect change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. The change includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Effect (Deprecated 2012-01-31) Total tax effect of the change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. The change includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. View
us-gaap Other Comprehensive Income (Loss), before Reclassifications, before Tax Amount before tax and reclassification adjustments of other comprehensive income (loss). View
us-gaap Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amount after tax, before reclassification adjustments of other comprehensive income (loss). View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Amount of tax expense (benefit), after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax Amount, before tax, of increase (decrease) to other comprehensive income from settlement and curtailment gain (loss) of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), after Tax Amount, after tax, of increase (decrease) to other comprehensive income from settlement and curtailment gain (loss) of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Net of Tax Amount after tax and reclassification adjustments of other comprehensive income (loss). View
us-gaap Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31) This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. View
us-gaap Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests. View
us-gaap Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Amount after tax of other comprehensive income (loss) attributable to parent entity. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Tax Amount of tax expense (benefit) allocated to other comprehensive income (loss). View
us-gaap Other Comprehensive Income, Other, Net of Tax Amount of increase (decrease) in other comprehensive income, after tax, from changes classified as other. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2012-01-31) Net of tax effect of the reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period. View
us-gaap Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). View
us-gaap Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). View
us-gaap Other Cost and Expense, Operating The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. View
us-gaap Other Employee-related Liabilities, Current Amount of obligations incurred for employer-related costs classified as other, payable within one year or the normal operating cycle, if longer. View
us-gaap Other Expenses Amount of expense classified as other. View
us-gaap Liability, Other Retirement Benefits Amount of liability for retirement benefits, classified as other. View
us-gaap Payment for Other Postretirement Benefits Amount of cash outflow for other postretirement benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes pension benefit. View
us-gaap Liability, Other Postretirement Defined Benefit Plan, Noncurrent Amount of liability, recognized in statement of financial position, for defined benefit other postretirement plan, classified as noncurrent. Excludes pension plan. View
us-gaap Other Receivables Amount due from parties in nontrade transactions, classified as other. View
us-gaap Other Receivables, Gross, Current Amount, before allowance, of receivables classified as other, due within one year or the operating cycle, if longer. View
us-gaap Other Receivables, Net, Current Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer. View
us-gaap Other Restructuring Costs Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation. View
us-gaap Other Revenue, Net (Deprecated 2018-01-31) Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other. View
us-gaap Other Tax Expense (Benefit) Amount of other income tax expense (benefit). View
us-gaap Partners' Capital Account, Units, Sold in Public Offering The number of units sold in a public offering of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. View
us-gaap Payments for (Proceeds from) Businesses and Interest in Affiliates The net cash outflow or inflow associated with the acquisition or sale of a business segment during the period. View
us-gaap Payments for (Proceeds from) Long-term Investments The net amount paid (received) by the reporting entity through acquisition or sale and maturities of long-term investments which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, beyond the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the long-term. View
us-gaap Payments for (Proceeds from) Other Investing Activities Amount of cash (inflow) outflow from investing activities classified as other. View
us-gaap Payments for Repurchase of Common Stock The cash outflow to reacquire common stock during the period. View
us-gaap Payments for Repurchase of Initial Public Offering The cash outflow associated with the repurchase of amount received from entity's first offering of stock to the public. View
us-gaap Payments of Debt Issuance Costs The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. View
us-gaap Payments of Distributions to Affiliates The distributions of earnings to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. View
us-gaap Payments of Dividends Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. View
us-gaap Payments of Ordinary Dividends, Noncontrolling Interest Amount of cash outflow in the form of ordinary dividends provided by the non-wholly owned subsidiary to noncontrolling interests. View
us-gaap Payments of Financing Costs The cash outflow for loan and debt issuance costs. View
us-gaap Payments of Merger Related Costs, Financing Activities The cash outflow for financing costs associated with business combinations. View
us-gaap Payment, Tax Withholding, Share-based Payment Arrangement Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. View
us-gaap Payments to Acquire Additional Interest in Subsidiaries The cash outflow associated with the purchase of noncontrolling interest during the period. View
us-gaap Payments to Acquire Businesses, Net of Cash Acquired The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. View
us-gaap Payments to Noncontrolling Interests Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest. View
us-gaap Liability, Defined Benefit Plan, Current Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current. View
us-gaap Liability, Defined Benefit Plan, Noncurrent Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent. View
us-gaap Payment for Pension Benefits Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit. View
us-gaap Preferred Stock, Par or Stated Value Per Share Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. View
us-gaap Preferred Stock, Shares Authorized The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. View
us-gaap Preferred Stock, Shares Issued Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. View
us-gaap Preferred Stock, Value, Issued Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. View
us-gaap Preferred Units, Issued The number of preferred units issued. View
us-gaap Prepaid Expense, Current Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. View
us-gaap Prepaid Royalties Amount of asset related to consideration paid in advance for royalties that provide economic benefits within a future period of one year or the normal operating cycle, if longer. View
us-gaap Previously Estimated Development Costs Incurred Amount of increase in standardized measure of discounted future net cash flow as a result of previously estimated development costs incurred. View
us-gaap Previously Estimated Development Costs Incurred During Period (Deprecated 2015-01-31) Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of previously estimated development costs incurred. View
us-gaap Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months The estimated net amount of unrealized gains or losses on price risk cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months. View
us-gaap Principal Amount Outstanding on Loans Securitized or Asset-backed Financing Arrangement This is the principal amount outstanding for securitized loans only (across all types of loans). View
us-gaap Proceeds from Accounts Receivable Securitization Proceeds from securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions. View
us-gaap Proceeds from Collection of Advance to Affiliate The cash inflow from the collection of money previously advanced to an entity that is related to it but not strictly controlled. View
us-gaap Proceeds from Contributions from Affiliates The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership. View
us-gaap Proceeds from Contributions from Parent The cash inflow from parent as a source of financing that is recorded as additional paid in capital. View
us-gaap Proceeds from Convertible Debt The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. View
us-gaap Proceeds from Divestiture of Businesses The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. View
us-gaap Proceeds from Divestiture of Businesses and Interests in Affiliates The cash inflow associated with the amount received from the sale of a business segment or subsidiary or sale of an entity that is related to it but not strictly controlled during the period (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment). View
us-gaap Proceeds from Income Tax Refunds The amount of cash received during the period as refunds for the overpayment of taxes. View
us-gaap Proceeds from Issuance Initial Public Offering The cash inflow associated with the amount received from entity's first offering of stock to the public. View
us-gaap Proceeds from Issuance of Common Stock The cash inflow from the additional capital contribution to the entity. View
us-gaap Proceeds from Issuance of Long-term Debt The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. View
us-gaap Proceeds from Issuance of Other Long-term Debt Amount of cash inflow from issuance of long-term debt classified as other. View
us-gaap Proceeds from Issuance of Private Placement The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement. View
us-gaap Proceeds from Issuance of Secured Debt The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt. View
us-gaap Proceeds from Issuance of Senior Long-term Debt The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). View
us-gaap Proceeds from Lines of Credit Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. View
us-gaap Proceeds from Noncontrolling Interests Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership. View
us-gaap Proceeds from (Payments for) Other Financing Activities Amount of cash inflow (outflow) from financing activities classified as other. View
us-gaap Proceeds from (Repayments of) Debt The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings. View
us-gaap Proceeds from (Repayments of) Other Debt Amount of cash inflow (outflow) for debt classified as other. View
us-gaap Proceeds from (Repayments of) Short-term Debt The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer. View
us-gaap Proceeds from Sale of Equity Method Investments The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. View
us-gaap Proceeds from Sale of Interest in Partnership Unit The proceeds from the sale of an interest in a unit of partnership. View
us-gaap Proceeds from Sale of Other Productive Assets Amount of cash inflow from the sale of tangible or intangible assets used to produce goods or deliver services, classified as other. View
us-gaap Proceeds from Sale of Productive Assets The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. View
us-gaap Proceeds from Sale of Property Held-for-sale The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth. View
us-gaap Proceeds from Sale of Property, Plant, and Equipment The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. View
us-gaap Proceeds from Sale of Treasury Stock The cash inflow from the issuance of an equity stock that has been previously reacquired by the entity. View
us-gaap Proceeds from Sales of Business, Affiliate and Productive Assets Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities. View
us-gaap Proceeds from Short-term Debt The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. View
us-gaap Proceeds from Stock Options Exercised Amount of cash inflow from exercise of option under share-based payment arrangement. View
us-gaap Production Tax Expense A tax assessed on oil and gas production. View
us-gaap Productive Gas Wells, Number of Wells, Gross The total number of producing gas wells and gas wells capable of production, in which the entity owns an undivided working interest. View
us-gaap Productive Gas Wells, Number of Wells, Net The total number of producing gas wells and gas wells capable of production, in which the entity owns a fractional working interest. View
us-gaap Productive Oil Wells, Number of Wells, Gross The total number of producing oil wells and oil wells capable of production, in which the entity owns an undivided working interest. View
us-gaap Property, Plant and Equipment, Gross Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. View
us-gaap Property, Plant and Equipment, Net Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. View
us-gaap Property, Plant and Equipment, Other, Gross Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale. View
us-gaap Property, Plant and Equipment, Other, Net Amount after depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. View
us-gaap Property, Plant, and Equipment, Owned, Net The net amount of long-lived, depreciable flight assets owned by the entity and used in the entity's principle business operations (owned aircraft and capitalized improvements) and capitalized assets classified as property, plant and equipment that are owned by the entity. Excludes assets subject to a capital lease. View
us-gaap Property Subject to or Available for Operating Lease, Gross Amount before accumulated depreciation of physical assets used in the normal conduct of business to produce goods and services subject to or available for lease. View
us-gaap Proved Developed and Undeveloped Reserves, Extensions, Discoveries, and Additions Additions to proved reserves that result from (1) extension of the proved acreage of previously discovered (old) reservoirs through additional drilling in periods after discovery and (2) discovery of new fields with proved reserves or of new reservoirs of proved reserves in old fields. View
us-gaap Proved Developed and Undeveloped Reserves, Improved Recovery Changes in proved reserve estimates resulting from application of improved recovery techniques. View
us-gaap Proved Developed and Undeveloped Reserves, Net The net quantity of proved reserves as of the balance sheet date. Proved oil reserves are the estimated quantities of crude oil and natural gas liquids which geological and engineering data demonstrate with reasonable certainty to be recoverable. View
us-gaap Proved Developed and Undeveloped Reserves, Production Production of proved reserves. View
us-gaap Proved Developed and Undeveloped Reserves, Purchases of Minerals in Place Purchase of minerals in place. View
us-gaap Proved Oil and Gas Property, Successful Effort Method Oil and Gas properties with proved reserves under the successful effort method. View
us-gaap Proved Undeveloped Reserve (Volume) Net quantities of an enterprise's interests in proved undeveloped reserves of either crude oil (including condensate and natural gas liquids), natural gas, synthetic oil and gas, or other renewable natural resource that is intended to be upgraded into synthetic oil and gas as of the beginning and the end of the year. "Net" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in "net" quantities if the necessary information is available to the enterprise. "Net" quantities does not include reserves relating to interests of others in properties owned by the enterprise. The unit of measure for reserve quantities is defined as "barrels" for oil and synthetic oil reserves or "cubic feet" or "cubic meters" for natural gas and synthetic gas reserves. View
us-gaap Real Estate Tax Expense A tax based on the assessed value of real estate by the local government. The tax is usually based on the value of property (including the land). View
us-gaap Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Amount after tax of reclassification adjustments of other comprehensive income (loss). View
us-gaap Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves Previously capitalized costs of the drilling of wells that were reclassified as part of the costs of the enterprise's wells and related equipment and facilities at the time that proved reserves were found. View
us-gaap Restricted Cash and Cash Equivalents, Noncurrent Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Restructuring and Related Cost, Reportable Segment, Incurred Cost (Deprecated 2011-01-31) Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the segment's restructuring cost. View
us-gaap Restructuring Costs Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. View
us-gaap Results of Operations, Depreciation, Depletion, Amortization and Accretion Depreciation, depletion, amortization, and accretion related to oil and gas producing activities. View
us-gaap Results of Operations, Expense from Oil and Gas Producing Activities The amount of expenses related to oil and gas producing activities. View
us-gaap Results of Operations, Expense, Other Other costs for oil and gas producing activities. View
us-gaap Results of Operations, General and Administrative Related to Oil and Gas Producing Activities General and administrative costs from oil & gas producing activities. View
us-gaap Results of Operations, Impairment of Oil and Gas Properties Costs related to the impairment of oil and gas properties View
us-gaap Results of Operations, Income before Income Taxes Income before income taxes for oil and gas producing activities. View
us-gaap Results of Operations, Income Tax Expense Income tax expense for oil and gas producing activities. View
us-gaap Results of Operations, Oil and Gas Producing Activities Net Income (Excluding Corporate Overhead and Interest Costs) The results of operations for oil and gas producing activities, excluding corporate overhead and interest costs. View
us-gaap Results of Operations, Production or Lifting Costs Production (lifting) costs from oil and gas producing activities, including but not limited to lease operating expense, production and ad valorem taxes, and transportation expense. View
us-gaap Results of Operations, Revenue from Oil and Gas Producing Activities Total revenues from oil and gas producing activities. View
us-gaap Results of Operations, Sales Revenue to Unaffiliated Enterprises Sales revenue to unaffiliated enterprises from oil and gas producing activities. View
us-gaap Results of Operations, Transportation Costs Includes the cost to prepare and move liquid hydrocarbons and natural gas to their points of sale. View
us-gaap Retail Related Inventory, Merchandise Carrying amount as of the balance sheet date of merchandise inventory purchased by a retailer, wholesaler or distributor and held for future sale. View
us-gaap Retained Earnings (Accumulated Deficit) The cumulative amount of the reporting entity's undistributed earnings or deficit. View
us-gaap Retained Interest, Fair Value Disclosure Fair value portion of interest continued to be held by a transferor after transferring financial assets to a third party. View
us-gaap Revenue, Coal Services (Deprecated 2018-01-31) Revenue from services rendered related to coal (mine services, transportation, and others) during the reporting period. View
us-gaap Revenue from Contract with Customer, Excluding Assessed Tax Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. View
us-gaap Revenue from Purchased Oil and Gas (Deprecated 2018-01-31) Revenue from sale of oil and gas purchased from other sources. View
us-gaap Revenue Mineral Sales (Deprecated 2018-01-31) Aggregate revenue from the sale of minerals and related products, and from rendering services such as exploration, development, mining, processing and providing mining support activities. View
us-gaap Revenue, Remaining Performance Obligation, Amount Amount of transaction price allocated to performance obligation that has not been recognized as revenue. View
us-gaap Revenues Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). View
us-gaap Segment Reporting Information, Intersegment Revenue (Deprecated 2013-01-31) Amount of revenue from transactions with other operating segments of the same entity. View
us-gaap Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Amount of increase in right-of-use asset obtained in exchange for finance lease liability. View
us-gaap Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Amount of increase in right-of-use asset obtained in exchange for operating lease liability. View
us-gaap Royalty Income, Nonoperating Ancillary revenue earned during the period from the consideration paid to the entity for the use of its rights and property by another party. Examples include licensing the use of copyrighted materials and leasing the extraction of natural resources. View
us-gaap Sales and Transfers of Oil and Gas Produced, Net of Production Costs Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of sales and transfers of oil and gas produced. View
us-gaap Revenue, Net (Deprecated 2018-01-31) Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. View
us-gaap Sales Revenue, Services, Other (Deprecated 2018-01-31) Amount before allowances and discounts of service revenue classified as other. View
us-gaap Sales Revenue, Services, Net (Deprecated 2018-01-31) Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts. View
us-gaap Secured Debt, Current Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. View
us-gaap Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together, Delinquent Amount at End of Period This is the amount of the financial instruments that are considered delinquent (past due) at the end of the period. View
us-gaap Continuing Involvement with Continued to be Recognized Transferred Financial Assets, Amount Outstanding Amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction that continue to be recognized in the statement of financial position. Includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets. View
us-gaap Segment Reporting Information, Expenditures for Additions to Long-Lived Assets (Deprecated 2011-01-31) Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment. View
us-gaap Segment Reporting Information, Intersegment Revenue (Deprecated 2011-01-31) Amount of revenue from transactions with other operating segments of the same entity. Such disclosure is presented if the amount is: (a) included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. View
us-gaap Segment Reporting Information, Revenue for Reportable Segment (Deprecated 2013-01-31) Amount of total revenue for the reportable segments, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy. View
us-gaap Segment Reporting, Segment Revenue (Deprecated 2011-01-31) Total revenues for reportable segments. View
us-gaap Selling, General and Administrative Expense The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. View
us-gaap Share-based Payment Arrangement, Accelerated Cost Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (Deprecated 2011-01-31) The decrease in the number of reserved shares that could potentially be issued attributable to the exercise or conversion during the reporting period of previously issued stock options under the option plan. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) The weighted average price at which option holders acquired shares when converting their stock options into shares under the plan during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) The weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated during the reporting period due to noncompliance with plan terms during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Net number of share options (or share units) granted during the period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Gross number of share options (or share units) granted during the period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) The weighted average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on stock options awarded under the plan during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of options outstanding, including both vested and non-vested options. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Deprecated 2011-01-31) The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) The weighted-average period between the balance sheet date and expiration date for fully vested and expected to vest options that are exercisable (or convertible) under the plan, which may be expressed in a decimal value for number of years. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) The weighted-average period between the balance sheet date and expiration date for fully vested and expected to vest options outstanding, which may be expressed in a decimal value for number of years. View
us-gaap Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted average price at which option holders acquired shares when converting their stock options into shares. View
us-gaap Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. View
us-gaap Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. View
us-gaap Share Price Price of a single share of a number of saleable stocks of a company. View
us-gaap Shares Issued, Price Per Share Per share or per unit amount of equity securities issued. View
us-gaap Short-term Debt Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. View
us-gaap Short-term Lease, Cost Amount of short-term lease cost, excluding expense for lease with term of one month or less. View
us-gaap Short-term Non-bank Loans and Notes Payable Amount of borrowings from a creditor other than a bank with a maturity within one year or operating cycle, if longer. View
us-gaap Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of changes from other sources. View
us-gaap Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount Amount of accretion of discount for the standardized measure of discounted future net cash flow related to proved oil and gas reserves. View
us-gaap Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves Amount of discounted future accumulated cash inflow relating to proved oil and gas reserves. View
us-gaap Shares Granted, Value, Share-based Payment Arrangement, Forfeited Value of forfeited shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). View
us-gaap Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. View
us-gaap Stockholders' Equity Note, Spinoff Transaction The change in equity as a result of a spin-off transaction (a regular or reverse spin-off) which is based on the recorded amounts. View
us-gaap Stock Issued During Period, Shares, Acquisitions Number of shares of stock issued during the period pursuant to acquisitions. View
us-gaap Stock Issued During Period, Shares, New Issues Number of new stock issued during the period. View
us-gaap Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Number of share options (or share units) exercised during the current period. View
us-gaap Stock Issued During Period, Value, New Issues Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. View
us-gaap Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). View
us-gaap Stock Issued During Period, Value, Treasury Stock Reissued Value of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement. View
us-gaap Stock Repurchased and Retired During Period, Shares Number of shares that have been repurchased and retired during the period. View
us-gaap Stock Repurchased and Retired During Period, Value Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). View
us-gaap Stock Repurchased During Period, Shares Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. View
us-gaap Stock Repurchase Program, Authorized Amount Amount of stock repurchase plan authorized. View
us-gaap Stock Repurchase Program, Remaining Authorized Repurchase Amount Amount remaining of a stock repurchase plan authorized. View
us-gaap Subordinated Debt Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets. View
us-gaap Subsequent Event, Amount, Higher Range (Deprecated 2013-01-31) The highest estimated amount of the financial effect of the event or transaction that occurred between the balance sheet date and the date the financial statements are issued or available to be issued. View
us-gaap Supplemental Unemployment Benefits, Disability Related Benefits Liability for amount due a former employee for benefits as a result of them becoming physically or mentally impaired. View
us-gaap Tax Adjustments, Settlements, and Unusual Provisions Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement. View
us-gaap Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect Amount of increase (decrease) in accumulated other comprehensive income (AOCI) for reclassification to retained earnings of tax effect from remeasurement of deferred tax pursuant to Tax Cuts and Jobs Act. View
us-gaap Taxes, Miscellaneous All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax. View
us-gaap Taxes, Other Amount of tax expense classified as other. View
us-gaap Taxes Other than Income, Excise, Production and Property Taxes (Deprecated 2009-01-31) Taxes other than income taxes, if not included elsewhere, that could include, property tax or other selling and distribution-related taxes. View
us-gaap Treasury Stock, Retired, Cost Method, Amount Amount of decrease of par value, additional paid in capital (APIC) and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method. View
us-gaap Treasury Stock, Shares Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. View
us-gaap Treasury Stock, Shares, Acquired Number of shares that have been repurchased during the period and are being held in treasury. View
us-gaap Treasury Stock, Value The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. View
us-gaap Treasury Stock, Value, Acquired, Cost Method Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. View
us-gaap Unamortized Debt Issuance Expense The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. View
us-gaap Unproved Oil and Gas Property, Successful Effort Method Oil and Gas properties with unproved reserves under the successful effort method. View
us-gaap Unrealized Gain (Loss) on Derivatives The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. View
us-gaap Unrealized Gain (Loss) on Derivatives and Commodity Contracts The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open derivatives, commodity, or energy contracts, held at each balance sheet date, that was included in earnings for the period. View
us-gaap Unrecognized Tax Benefits Amount of unrecognized tax benefits. View
us-gaap Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. View
us-gaap Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. View
us-gaap Unrecognized Tax Benefits, Income Tax Penalties Accrued Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return. View
us-gaap Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. View
us-gaap Unrecognized Tax Benefits, Income Tax Penalties Expense Amount of expense for penalties related to a tax position claimed or expected to be claimed in the tax return. View
us-gaap Unrecognized Tax Benefits, Interest on Income Taxes Expense Amount of interest expense for an underpayment of income taxes. View
us-gaap Unrecognized Tax Benefits, Period Increase (Decrease) Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns. View
us-gaap Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. View
us-gaap Unrecognized Tax Benefits that Would Impact Effective Tax Rate The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, Year One Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Unrecorded Unconditional Purchase Obligation Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Five Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Unrecorded Unconditional Purchase Obligation, Purchases The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract). View
us-gaap Unsecured Debt Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer). View
us-gaap Unusual or Infrequent Item, or Both, Tax Effect Amount of tax related to an event or transaction that is unusual in nature or infrequent in occurrence, or both. View
us-gaap Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. View
us-gaap SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. View
us-gaap SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Amount of valuation and qualifying accounts and reserves. View
us-gaap SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. View
us-gaap SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Amount of decrease in valuation and qualifying accounts and reserves. View
us-gaap Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). View
us-gaap Variable Lease, Cost Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. View
us-gaap Weighted Average Number of Shares Outstanding, Diluted The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. View
us-gaap Weighted Average Number of Shares Outstanding, Basic Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. View
us-gaap Workers' Compensation Liability, Current Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Share-based Payment Arrangement, Exercise of Option, Tax Benefit Amount of tax benefit from exercise of option under share-based payment arrangement. View
us-gaap Other Operating Activities, Cash Flow Statement Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities). View
us-gaap Deferred Tax Assets, Tax Credit Carryforwards, Research Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. View
us-gaap Deferred Tax Assets, State Taxes Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from state taxes. View
us-gaap Deferred Credits and Other Liabilities Total carrying amount as of the balance sheet date of unearned revenue or income, not otherwise specified in the taxonomy, which is expected to be taken into income in future periods and obligations not separately disclosed in the balance sheet (other liabilities). View
us-gaap 3242292 None View
Chart of Accounts => Accounts
Name View
Accounts Payable (Deprecated 2009-01-31) View
Accounts Receivable, before Allowance for Credit Loss, Current View
Accounts Receivable, after Allowance for Credit Loss, Current View
Accrued Reclamation Costs, Current View
Accrued Royalties View
Business Acquisition, Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax (Deprecated 2011-01-31) View
Capitalized Costs, Unproved Properties View
Capitalized Costs, Wells and Related Equipment and Facilities View
Capitalized Exploratory Well Cost, Additions Pending Determination of Proved Reserves View
Capitalized Exploratory Well Cost, Charged to Expense (Deprecated 2016-01-31) View
Capitalized Exploratory Well Cost, Charged to Expense View
Cost of Coal Products and Services (Deprecated 2018-01-31) View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves View
Deferred Tax Liabilities, Deferred Expense, Other Capitalized Costs View
Deferred Tax Liabilities, Derivatives View
Deferred Tax Liabilities, Investment in Noncontrolled Affiliates View
Deferred Tax Liabilities, Property, Plant and Equipment View
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Weighted-Average Interest Crediting Rate View
Defined Benefit Plan, Benefit Obligation View
Defined Benefit Plan, Benefit Obligation, Benefits Paid View
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation View
Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components View
Defined Benefit Plan, Expected Amortization of Prior Service Cost (Credit), Next Fiscal Year View
Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years View
Defined Benefit Plan, Expected Future Benefit Payment, Year One View
Defined Benefit Plan, Expected Future Benefit Payment, Year Five View
Defined Benefit Plan, Expected Future Benefit Payment, Year Four View
Defined Benefit Plan, Expected Future Benefit Payment, Year Three View
Defined Benefit Plan, Expected Future Benefit Payment, Year Two View
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year View
Defined Benefit Plan, Service Cost View
Defined Benefit Plan, Target Allocation Percentage of Assets, Debt Securities (Deprecated 2012-01-31) View
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred View
Derivative Instruments, Gain (Loss) Recognized in Income, Net (Deprecated 2013-01-31) View
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31) View
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2013-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2014-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Net Cash Flows (Deprecated 2014-01-31) View
Disposal Group, Including Discontinued Operation, Postretirement Plan Benefit Obligation View
Effective Income Tax Rate Reconciliation, Deduction, Medicare Prescription Drug Benefit, Percent View
Effective Income Tax Rate Reconciliation, Deduction, Other, Percent View
Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Percent View
Effective Income Tax Rate Reconciliation, Tax Contingency, Percent View
Finance Lease, Liability, to be Paid, Year One View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows View
Gain (Loss) on Contract Termination View
Gain (Loss) on Disposition of Assets View
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest View
Income Tax Credits and Adjustments View
Income Tax Examination, Increase (Decrease) in Liability from Prior Year View
Income Tax Examination, Interest Expense View
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority View
Increase in Unrecognized Tax Benefits is Reasonably Possible View
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements View
Interest Expense View
Interest Income, Other View
Interest Paid, Including Capitalized Interest, Operating and Investing Activities View
Interest Paid, Excluding Capitalized Interest, Operating Activities View
Lessee, Operating Lease, Liability, to be Paid, Year Two View
Loss Contingency, Range of Possible Loss, Portion Not Accrued View
Net Increase (Decrease) in Sales and Transfer Prices and Production Costs View
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification (Deprecated 2020-01-31) View
Noncash Project Abandonment Costs View
Operating Leases, Future Minimum Payments, Due in Two Years View
Operating Leases, Future Minimum Payments, Due Thereafter View
Operating Leases, Future Minimum Payments, Remainder of Fiscal Year View
Operating Leases, Income Statement, Depreciation Expense on Property Subject to or Held-for-lease View
Operating Lease, Weighted Average Discount Rate, Percent View
Other Accrued Liabilities, Current View
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (Deprecated 2012-01-31) View
Other Revenue, Net (Deprecated 2018-01-31) View
Other Significant Noncash Transaction, Value of Consideration Given View
Other Tax Expense (Benefit) View
Partners' Capital Account, Units, Sold in Public Offering View
Payments for Advance to Affiliate View
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest View
Proved Developed and Undeveloped Reserves, Purchases of Minerals in Place View
Proved Developed and Undeveloped Reserves, Revisions of Previous Estimates View
Proved Developed and Undeveloped Reserves, Sales of Minerals in Place View
Proved Developed Reserves (Volume) View
Segment Reporting Information, Intersegment Revenue (Deprecated 2013-01-31) View
Revisions of Previous Quantity Estimates View
Senior Notes View
Servicing Asset at Fair Value, Amount View
Servicing Liability at Fair Value, Amount View
Share-based Payment Arrangement, Noncash Expense View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Deprecated 2011-01-31) View
Stock Issued During Period, Shares, New Issues View
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture View
Unrealized Gain (Loss) on Derivatives and Commodity Contracts View
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions View
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions View
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities View
Interest on Convertible Debt, Net of Tax View
Net Income (Loss) Available to Common Stockholders, Diluted View
Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions View
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation View
Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture View
Deferred Tax Liabilities, Net View
Accounts Payable, Current View
Accounts Payable, Related Parties, Current View
Accounts Payable, Related Parties View
Accounts Receivable from Securitization View
Accretion Expense View
Accretion of Discount (Deprecated 2016-01-31) View
Accrual for Taxes Other than Income Taxes, Current View
Accrued Bonuses, Current View
Accrued Bonuses View
Accrued Environmental Loss Contingencies, Current View
Accrued Income Taxes View
Accrued Income Taxes, Current View
Accrued Income Taxes Payable (Deprecated 2009-01-31) View
Accrued Liabilities and Other Liabilities View
Accrued Liabilities, Current View
Accrued Salaries, Current View
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment View
Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment, Period Increase (Decrease) View
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax View
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax View
Accumulated Other Comprehensive Income (Loss), Net of Tax View
Additional Paid in Capital View
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets (Deprecated 2013-01-31) View
Amortization View
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt View
Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation View
APIC, Share-based Payment Arrangement, Increase for Cost Recognition View
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation View
Advances for Gas Exploration, Development and Production Amount View
Share-based Payment Arrangement, Expense View
Accounts Receivable, Allowance for Credit Loss, Current View
Allowance for Doubtful Other Receivables, Current View
Amortization of Intangible Assets View
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount View
Asset Impairment Charges View
Asset Retirement Obligation View
Asset Retirement Obligation, Accretion Expense View
Asset Retirement Obligation, Cash Paid to Settle View
Asset Retirement Obligation, Current View
Asset Retirement Obligation, Liabilities Incurred View
Asset Retirement Obligation, Liabilities Settled View
Asset Retirement Obligation, Period Increase (Decrease) View
Asset Retirement Obligation, Revision of Estimate View
Asset Retirement Obligations, Noncurrent View
Assets View
Assets, Current View
Assets Disposed of by Method Other than Sale, in Period of Disposition, Gain (Loss) on Disposition (Deprecated 2012-01-31) View
Assets Held-for-sale, Long Lived, Fair Value Disclosure View
Disposal Group, Including Discontinued Operation, Assets View
Disposal Group, Including Discontinued Operation, Assets, Current View
Average Sales Prices View
Basic Earnings Per Share, Pro Forma View
Business Acquisition, Cost of Acquired Entity, Purchase Price (Deprecated 2013-01-31) View
Business Acquisition, Percentage of Voting Interests Acquired View
Business Acquisition, Pro Forma Earnings Per Share, Basic View
Business Acquisition, Pro Forma Earnings Per Share, Diluted View
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest View
Contracts Revenue (Deprecated 2018-01-31) View
Business Acquisition, Pro Forma Net Income (Loss) (Deprecated 2011-01-31) View
Business Acquisition, Pro Forma Revenue (Deprecated 2011-01-31) View
Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax View
Business Acquisition, Pro Forma Net Income (Loss) View
Business Acquisition, Pro Forma Revenue View
Business Combination, Acquisition Related Costs View
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain View
Capitalized Costs, Accumulated Depreciation, Depletion, Amortization and Valuation Allowance Relating to Oil and Gas Producing Activities View
Capitalized Costs, Oil and Gas Producing Activities, Gross View
Capitalized Costs, Oil and Gas Producing Activities, Net View
Capitalized Costs, Proved Properties View
Capitalized Costs, Support Equipment and Facilities View
Capitalized Exploratory Well Costs View
Capitalized Exploratory Well Costs that Have Been Capitalized for Period Greater than One Year View
Capitalized Exploratory Well Costs that Have Been Capitalized for Period of One Year or Less View
Capitalized Exploratory Well Costs, Thereafter (Deprecated 2013-01-31) View
Capital Leased Assets, Gross View
Capital Lease Obligations View
Capital Lease Obligations, Current View
Capital Lease Obligations, Noncurrent View
Capital Leases, Future Minimum Payments Due View
Capital Leases, Future Minimum Payments Due, Next Twelve Months View
Capital Leases, Future Minimum Payments Due in Five Years View
Capital Leases, Future Minimum Payments Due in Four Years View
Capital Leases, Future Minimum Payments Due in Three Years View
Capital Leases, Future Minimum Payments Due in Two Years View
Capital Leases, Future Minimum Payments Due Thereafter View
Capital Leases, Future Minimum Payments, Interest Included in Payments View
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments View
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation View
Cargo and Freight Revenue (Deprecated 2018-01-31) View
Cash and Cash Equivalents, at Carrying Value View
Cash and Cash Equivalents, Period Increase (Decrease) View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect View
Cash Dividends (Deprecated 2009-01-31) View
Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net (Deprecated 2013-01-31) View
Cash Provided by (Used in) Financing Activities, Discontinued Operations View
Cash Provided by (Used in) Investing Activities, Discontinued Operations View
Cash Provided by (Used in) Operating Activities, Discontinued Operations View
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge View
Coal Products and Services Revenue (Deprecated 2018-01-31) View
Common Stock, Dividends, Per Share, Cash Paid View
Common Stock, Dividends, Per Share, Declared View
Common Stock, Par or Stated Value Per Share View
Common Stock, Shares Authorized View
Common Stock, Shares, Issued View
Common Stock, Shares, Outstanding View
Common Stock, Value, Issued View
Comprehensive Income (Loss), Net of Tax, Attributable to Parent View
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest View
Contract with Customer, Asset, after Allowance for Credit Loss View
Contract with Customer, Liability, Current View
Cost of Purchased Oil and Gas (Deprecated 2018-01-31) View
Costs and Expenses View
Costs Incurred, Acquisition of Oil and Gas Properties View
Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves View
Costs Incurred, Acquisition of Unproved Oil and Gas Properties View
Costs Incurred, Development Costs View
Costs Incurred, Exploration Costs View
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities View
Cumulative Effect of Initial Adoption of FIN 48 (Deprecated 2011-01-31) View
Cumulative Effect of Initial Adoption of FAS 158 (Deprecated 2011-01-31) View
Current Federal Tax Expense (Benefit) View
Current Foreign Tax Expense (Benefit) View
Current Income Tax Expense (Benefit) View
Current State and Local Tax Expense (Benefit) View
Debt and Lease Obligation View
Debt, Current View
Long-term Debt, Gross View
Debt Instrument, Convertible, Conversion Price View
Debt Instrument, Face Amount View
Debt Instrument, Repurchased Face Amount View
Debt Instrument, Unamortized Discount View
Debt, Weighted Average Interest Rate View
Decrease Due to Sales of Minerals in Place View
Deferred Federal Income Tax Expense (Benefit) View
Debt Issuance Costs, Net View
Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Adjustment View
Deferred Foreign Income Tax Expense (Benefit) View
Deferred Income Tax Expense (Benefit) View
Deferred Income Taxes and Tax Credits View
Deferred Tax Liabilities, Gross View
Deferred Income Tax Liabilities, Net View
Deferred Revenue View
Deferred State and Local Income Tax Expense (Benefit) View
Deferred Tax Assets, Equity Method Investments View
Deferred Tax Assets, Gross View
Deferred Tax Assets, Hedging Transactions View
Deferred Tax Assets, Net View
Deferred Tax Assets, Net of Valuation Allowance View
Deferred Tax Assets, Net of Valuation Allowance, Current View
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent View
Deferred Tax Assets, Operating Loss Carryforwards View
Deferred Tax Assets, Operating Loss Carryforwards, Domestic View
Deferred Tax Assets, Operating Loss Carryforwards, State and Local View
Deferred Tax Assets, Other View
Deferred Tax Assets, Property, Plant and Equipment View
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax View
Deferred Tax Assets, Tax Credit Carryforwards, Foreign View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Other View
Deferred Tax Assets, Valuation Allowance View
Deferred Tax Assets, Valuation Allowance, Current View
Deferred Tax Assets, Valuation Allowance, Noncurrent View
Deferred Tax Liabilities, Leasing Arrangements View
Deferred Tax Liabilities, Net, Noncurrent View
Deferred Tax Liabilities, Other View
Liability, Defined Benefit Pension Plan, Current View
Liability, Defined Benefit Pension Plan, Noncurrent View
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax View
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax View
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax View
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) View
Defined Benefit Plan, Amortization of Gain (Loss) View
Defined Benefit Plan, Amortization of Net Gains (Losses) (Deprecated 2013-01-31) View
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) View
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position View
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate View
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase View
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate View
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate View
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase View
Defined Benefit Plan, Benefits Paid (Deprecated 2017-01-31) View
Defined Benefit Plan, Plan Assets, Contributions by Employer View
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation (Deprecated 2012-01-31) View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components (Deprecated 2012-01-31) View
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year View
Defined Benefit Plan, Plan Assets, Amount View
Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plan, Interest Cost View
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) View
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation View
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets View
Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation View
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment View
Defined Benefit Plan, Plan Assets, Benefits Paid View
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment View
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement View
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) View
Defined Contribution Plan, Cost View
Defined Contribution Plan, Employer Discretionary Contribution Amount View
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay View
Depletion View
Depreciation, Depletion and Amortization, Nonproduction View
Depreciation, Depletion and Amortization View
Derivative Asset, Current View
Derivative Asset, Noncurrent View
Derivative, Cash Received on Hedge View
Derivative Asset, Fair Value, Gross Asset View
Derivative, Gain (Loss) on Derivative, Net View
Derivative Instruments and Hedges, Liabilities View
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net View
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion View
Derivative Liability, Current View
Derivative Liability, Noncurrent View
Development Wells Drilled, Net Nonproductive View
Development Wells Drilled, Net Productive View
Direct Operating Cost, Royalty Expense (Deprecated 2018-01-31) View
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax View
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax View
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax View
Discontinued Operation, Tax Effect of Discontinued Operation View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, 10 Percent Annual Discount for Estimated Timing of Cash Flows (Deprecated 2014-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Cash Inflows (Deprecated 2014-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2013-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2014-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2013-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2014-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Standardized Measure (Deprecated 2014-01-31) View
Disposal Group, Including Discontinued Operation, Accounts Payable and Accrued Liabilities View
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents View
Disposal Group, Including Discontinued Operation, Deferred Tax Assets View
Disposal Group, Including Discontinued Operation, Deferred Tax Assets, Noncurrent View
Disposal Group, Including Discontinued Operation, Inventory (Deprecated 2014-01-31) View
Disposal Group, Including Discontinued Operation, Operating Expense View
Disposal Group, Including Discontinued Operation, Other Assets View
Disposal Group, Including Discontinued Operation, Other Assets, Current View
Disposal Group, Including Discontinued Operation, Other Income View
Disposal Group, Including Discontinued Operation, Other Liabilities View
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent View
Finance Lease, Liability, to be Paid, after Year Five View
Disposal Group, Including Discontinued Operation, Postretirement Plan Benefit Obligation, Noncurrent View
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment View
Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Net (Deprecated 2014-01-31) View
Disposal Group, Including Discontinued Operation, Revenue View
Distribution Made to Limited Partner, Distributions Paid, Per Unit View
Dividends, Cash View
Earnings Per Share, Basic View
Earnings Per Share, Diluted View
Effective Income Tax Rate Reconciliation, Percent View
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent View
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent View
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent View
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Percent View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Percent View
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent View
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent View
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount View
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Percent View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent View
Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Percent View
Effective Income Tax Rate Reconciliation, Tax Credit, Percent View
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent View
Effective Income Tax Rate Reconciliation, Tax Settlement, Percent View
Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Percent View
Employee-related Liabilities View
Share-based Payment Arrangement, Cash Used to Settle Award View
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount View
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (Deprecated 2012-01-31) View
Share-based Payment Arrangement, Expense, Tax Benefit View
Energy Related Inventory, Coal View
Entity-Wide Revenue, Major Customer, Amount (Deprecated 2013-01-31) View
Proceeds from Equity Method Investment, Distribution View
Equity Method Investment, Ownership Percentage View
Equity Method Investments View
Escrow Deposits Related to Property Sales View
Excess of Replacement or Current Costs over Stated LIFO Value View
Excess Stock, Shares Authorized View
Excess Tax Benefit from Share-based Compensation, Financing Activities View
Expense Related to Distribution or Servicing and Underwriting Fees View
Exploration Abandonment and Impairment Expense View
Exploration and Production Costs (Deprecated 2018-01-31) View
Exploratory Wells Drilled, Net Nonproductive View
Exploratory Wells Drilled, Net Productive View
Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs View
Extinguishment of Debt, Amount View
Federal Income Tax Expense (Benefit), Continuing Operations View
Finance Lease, Interest Expense View
Finance Lease, Interest Payment on Liability View
Finance Lease, Liability View
Finance Lease, Liability, Current View
Finance Lease, Liability, Noncurrent View
Finance Lease, Liability, Payment, Due View
Revenues View
Finance Lease, Liability, to be Paid, Year Five View
Finance Lease, Liability, to be Paid, Year Four View
Finance Lease, Liability, to be Paid, Year Three View
Finance Lease, Liability, to be Paid, Year Two View
Finance Lease, Liability, Undiscounted Excess Amount View
Finance Lease, Principal Payments View
Finance Lease, Right-of-Use Asset, after Accumulated Amortization View
Finance Lease, Right-of-Use Asset, Accumulated Amortization View
Finance Lease, Right-of-Use Asset, Amortization View
Finance Lease, Right-of-Use Asset, before Accumulated Amortization View
Finance Lease, Weighted Average Discount Rate, Percent View
Finite-Lived Customer Relationships, Gross View
Finite-Lived Intangible Assets, Accumulated Amortization View
Finite-Lived Intangible Asset, Expected Amortization, Year One View
Finite-Lived Intangible Asset, Expected Amortization, Year Five View
Finite-Lived Intangible Asset, Expected Amortization, Year Four View
Finite-Lived Intangible Asset, Expected Amortization, Year Three View
Finite-Lived Intangible Asset, Expected Amortization, Year Two View
Finite-Lived Intangible Assets, Net View
Freight Costs (Deprecated 2018-01-31) View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows View
Gain (Loss) on Hedging Activity View
Gain (Loss) on Sale of Commodity Contracts View
Gain (Loss) on Sale of Derivatives View
Gain (Loss) on Disposition of Other Assets View
Gain (Loss) on Sale of Properties View
Gain (Loss) on Sale of Properties, Applicable Income Taxes (Deprecated 2020-01-31) View
Gain (Loss) on Disposition of Property Plant Equipment View
Gain (Loss) on Sale of Assets and Asset Impairment Charges View
Gain on Business Interruption Insurance Recovery View
Gain (Loss) on Extinguishment of Debt View
Gas and Oil Acreage, Developed, Gross (Deprecated 2012-01-31) View
Gas and Oil Acreage, Developed, Net (Deprecated 2012-01-31) View
Gas and Oil Acreage, Undeveloped, Gross (Deprecated 2012-01-31) View
Gas and Oil Acreage, Undeveloped, Net (Deprecated 2012-01-31) View
Gas and Oil Area, Developed, Gross View
Gas and Oil Area, Developed, Net View
Gas and Oil Area, Undeveloped, Gross View
Gas and Oil Area, Undeveloped, Net View
Gas Gathering, Transportation, Marketing and Processing Costs (Deprecated 2018-01-31) View
Gas Gathering, Transportation, Marketing and Processing Revenue (Deprecated 2018-01-31) View
Gas Purchase Payable, Current View
General and Administrative Expense View
Goodwill View
Goodwill, Acquired During Period View
Goodwill, Impairment Loss View
Guarantor Obligations, Maximum Exposure, Undiscounted View
Impairment of Intangible Assets, Finite-lived View
Impairment of Long-Lived Assets Held-for-use View
Impairment of Long-Lived Assets to be Disposed of View
Impairment of Oil and Gas Properties View
Income (Loss) Attributable to Noncontrolling Interest, before Tax View
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent View
Income (Loss) from Continuing Operations before Income Taxes, Domestic View
Income (Loss) from Continuing Operations, Per Basic Share View
Income (Loss) from Continuing Operations, Per Diluted Share View
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest View
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest View
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent View
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share View
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share View
Income (Loss) from Equity Method Investments View
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions View
Income Tax Expense (Benefit) View
Income Tax Expense (Benefit), Continuing Operations (Deprecated 2013-01-31) View
Income Taxes Paid View
Income Taxes Receivable, Current View
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount View
Effective Income Tax Rate Reconciliation, Deduction, Medicare Prescription Drug Benefit, Amount View
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount View
Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount View
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount View
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount View
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Amount View
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount View
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount View
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount View
Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Amount View
Effective Income Tax Rate Reconciliation, Tax Credit, Amount View
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount View
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount View
Effective Income Tax Rate Reconciliation, Tax Settlement, Foreign, Amount View
Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Amount View
Increase (Decrease) Cash Collateral from Counterparties View
Increase (Decrease) in Accounts and Notes Receivable View
Increase (Decrease) in Accounts Payable View
Increase (Decrease) in Accounts Receivable from Securitization View
Increase (Decrease) in Accrued Cost of Oil and Gas Reclamation View
Increase (Decrease) in Income Taxes Payable View
Increase (Decrease) in Deferred Income Taxes View
Changes in Estimated Future Development Costs View
Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves View
Increase (Decrease) in Income Taxes View
Increase (Decrease) in Interest Payable, Net View
Increase (Decrease) in Inventories View
Increase (Decrease) in Other Accrued Liabilities View
Increase (Decrease) in Other Operating Assets View
Increase (Decrease) in Other Operating Assets and Liabilities, Net View
Increase (Decrease) in Other Operating Liabilities View
Increase (Decrease) in Obligation, Other Postretirement Benefits View
Increase (Decrease) in Prepaid Expense View
Increase (Decrease) in Restricted Cash View
Increase Due to Purchases of Minerals in Place View
Insurance Recoveries View
Intangible Assets, Net (Excluding Goodwill) View
Interest Costs Capitalized View
Capitalized Interest Costs, Including Allowance for Funds Used During Construction View
Interest Expense, Debt View
Interest Expense, Other View
Interest Income (Expense), Net View
Interest Income, Operating View
Interest Payable, Current View
Inventory, Net View
Inventory, Supplies, Net of Reserves View
Investments and Cash View
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures View
Operating Leases, Rent Expense View
Lease, Cost View
Lease Incentive, Payable, Current View
Oil and Gas Property, Lease Operating Expense (Deprecated 2018-01-31) View
Lessee, Operating Lease, Liability, to be Paid View
Lessee, Operating Lease, Liability, to be Paid, after Year Five View
Lessee, Operating Lease, Liability, to be Paid, Year One View
Lessee, Operating Lease, Liability, to be Paid, Year Five View
Lessee, Operating Lease, Liability, to be Paid, Year Four View
Lessee, Operating Lease, Liability, to be Paid, Year Three View
Lessee, Operating Lease, Liability, Undiscounted Excess Amount View
Letters of Credit Outstanding, Amount View
LIFO Inventory Amount View
Liabilities View
Liabilities and Equity View
Liabilities, Current View
Disposal Group, Including Discontinued Operation, Liabilities View
Disposal Group, Including Discontinued Operation, Liabilities, Current View
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent View
Liability for Claims and Claims Adjustment Expense, Disability, Accident and Health View
Liability for Uncertainty in Income Taxes, Current View
Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31) View
Line of Credit Facility, Average Outstanding Amount View
Line of Credit Facility, Collateral Fees, Amount View
Line of Credit Facility, Current Borrowing Capacity View
Line of Credit Facility, Increase, Additional Borrowings (Deprecated 2013-01-31) View
Line of Credit Facility, Maximum Borrowing Capacity View
Estimated Litigation Liability, Current View
Litigation Settlement, Gross (Deprecated 2013-01-31) View
Long-term Debt View
Long-term Debt and Lease Obligation View
Long-term Debt and Lease Obligation, Current View
Long-term Debt and Lease Obligation, Including Current Maturities View
Long-term Debt, Current Maturities View
Long-term Debt, Fair Value View
Long-Term Debt, Maturity, after Year Five View
Long-Term Debt, Maturity, Year One View
Long-Term Debt, Maturity, Year Five View
Long-Term Debt, Maturity, Year Four View
Long-Term Debt, Maturity, Year Three View
Long-Term Debt, Maturity, Year Two View
Long-term Debt, Excluding Current Maturities View
Long-term Line of Credit, Noncurrent View
Loss Contingency Accrual, Carrying Value, Provision (Deprecated 2013-01-31) View
Loss Contingency, Range of Possible Loss, Maximum (Deprecated 2016-01-31) View
Unsuccessful Business Combination Costs (Deprecated 2013-01-31) View
Mine Reclamation and Closing Liability, Noncurrent View
Stockholders' Equity Attributable to Noncontrolling Interest View
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders View
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests View
Noncontrolling Interest, Increase from Equity Issuance or Sale of Parent Equity Interest (Deprecated 2013-01-31) View
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners View
Noncontrolling Interest, Period Increase (Decrease) View
Natural Gas Midstream Revenue (Deprecated 2018-01-31) View
Net Cash Provided by (Used in) Financing Activities View
Net Cash Provided by (Used in) Financing Activities, Continuing Operations View
Net Cash Provided by (Used in) Investing Activities View
Net Cash Provided by (Used in) Investing Activities, Continuing Operations View
Net Cash Provided by (Used in) Operating Activities View
Net Cash Provided by (Used in) Operating Activities, Continuing Operations View
Net Income (Loss) Attributable to Parent View
Net Income (Loss) Attributable to Noncontrolling Interest View
Net Income (Loss) Available to Common Stockholders, Basic View
Noncontrolling Interest, Increase from Business Combination View
Noninterest Expense Offering Cost View
Nonoperating Income (Expense) View
Notes and Loans Payable, Current View
Financing Receivable, before Allowance for Credit Loss, Current View
Financing Receivable, after Allowance for Credit Loss, Current View
Financing Receivable, after Allowance for Credit Loss, Noncurrent View
Financing Receivable, after Allowance for Credit Loss View
Notes Receivable, Related Parties, Current View
Notional Amount of Cash Flow Hedge Instruments (Deprecated 2013-01-31) View
Number of Operating Segments View
Number of Reportable Segments View
Offering Costs, Partnership Interests View
Oil and Gas Delivery Commitments and Contracts, Remaining Contractual Volume View
Oil and Gas Production Expense (Deprecated 2018-01-31) View
Oil and Gas Reclamation Liability, Noncurrent View
Oil and Gas Sales Revenue (Deprecated 2018-01-31) View
Operating Expenses View
Operating Income (Loss) View
Operating Lease, Cost View
Operating Lease, Expense View
Operating Lease, Liability View
Operating Lease, Liability, Current View
Operating Lease, Liability, Noncurrent View
Operating Lease, Payments View
Operating Lease, Right-of-Use Asset View
Operating Leases, Future Minimum Payments Due View
Operating Leases, Future Minimum Payments Due, Next Twelve Months View
Operating Leases, Future Minimum Payments, Due in Five Years View
Operating Leases, Future Minimum Payments, Due in Four and Five Years View
Operating Leases, Future Minimum Payments, Due in Four Years View
Operating Leases, Future Minimum Payments, Due in Three Years View
Operating Leases, Future Minimum Payments, Due in Two and Three Years View
Operating Leases, Rent Expense, Net View
Other Accrued Liabilities (Deprecated 2009-01-31) View
Other Accrued Liabilities View
Amortization of Other Deferred Charges View
Other Assets View
Other Assets, Miscellaneous, Noncurrent View
Other Assets, Noncurrent View
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent View
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Effect (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Finalization of Pension and Non-Pension Postretirement Plan Valuation, Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Defined Benefit Plan, Adjustment for Settlement or Curtailment Gain (Loss), Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax View
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Tax Effect (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), before Reclassifications, before Tax View
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), after Tax View
Other Comprehensive Income (Loss), Net of Tax View
Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest View
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax View
Other Comprehensive Income (Loss), Tax View
Other Comprehensive Income, Other, Net of Tax View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax View
Other Cost and Expense, Operating View
Other Employee-related Liabilities, Current View
Other Expenses View
Other General and Administrative Expense View
Other General Expense View
Other Income View
Other Labor-related Expenses View
Other Liabilities, Noncurrent View
Other Noncash Income (Expense) View
Other Nonoperating Expense View
Other Nonoperating Income View
Other Nonoperating Income (Expense) View
Other Operating Income View
Liability, Other Retirement Benefits View
Payment for Other Postretirement Benefits View
Liability, Other Postretirement Defined Benefit Plan, Noncurrent View
Other Postretirement Defined Benefit Plan, Noncurrent Liabilities (Deprecated 2009-01-31) View
Other Receivables View
Other Receivables, Gross, Current View
Other Receivables, Net, Current View
Other Restructuring Costs View
Payments for (Proceeds from) Businesses and Interest in Affiliates View
Payments for (Proceeds from) Long-term Investments View
Payments for (Proceeds from) Other Investing Activities View
Payments for Repurchase of Common Stock View
Payments for Repurchase of Initial Public Offering View
Payments of Debt Issuance Costs View
Payments of Distributions to Affiliates View
Payments of Dividends View
Payments of Ordinary Dividends, Noncontrolling Interest View
Payments of Financing Costs View
Payments of Merger Related Costs, Financing Activities View
Payment, Tax Withholding, Share-based Payment Arrangement View
Payments to Acquire Additional Interest in Subsidiaries View
Payments to Acquire Businesses, Net of Cash Acquired View
Payments to Acquire Interest in Subsidiaries and Affiliates View
Payments to Acquire Property, Plant, and Equipment View
Payments to Noncontrolling Interests View
Liability, Defined Benefit Plan, Current View
Liability, Defined Benefit Plan, Noncurrent View
Payment for Pension Benefits View
Preferred Stock, Par or Stated Value Per Share View
Preferred Stock, Shares Authorized View
Preferred Stock, Shares Issued View
Preferred Stock, Shares Outstanding View
Preferred Stock, Value, Issued View
Preferred Units, Issued View
Prepaid Expense, Current View
Prepaid Royalties View
Previously Estimated Development Costs Incurred View
Previously Estimated Development Costs Incurred During Period (Deprecated 2015-01-31) View
Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months View
Principal Amount Outstanding on Loans Securitized or Asset-backed Financing Arrangement View
Proceeds from Accounts Receivable Securitization View
Proceeds from Collection of Advance to Affiliate View
Proceeds from Contributions from Affiliates View
Proceeds from Contributions from Parent View
Proceeds from Convertible Debt View
Proceeds from Divestiture of Businesses View
Proceeds from Divestiture of Businesses and Interests in Affiliates View
Proceeds from Divestiture of Interest in Joint Venture View
Proceeds from Equity Method Investment, Distribution, Return of Capital View
Proceeds from Income Tax Refunds View
Proceeds from Issuance Initial Public Offering View
Proceeds from Issuance of Common Stock View
Proceeds from Issuance of Long-term Debt View
Proceeds from Issuance of Other Long-term Debt View
Proceeds from Issuance of Private Placement View
Proceeds from Issuance of Secured Debt View
Proceeds from Issuance of Senior Long-term Debt View
Proceeds from Lines of Credit View
Proceeds from Noncontrolling Interests View
Proceeds from (Payments for) Other Financing Activities View
Proceeds from (Repayments of) Debt View
Proceeds from (Repayments of) Other Debt View
Proceeds from (Repayments of) Short-term Debt View
Proceeds from Sale of Equity Method Investments View
Proceeds from Sale of Interest in Partnership Unit View
Proceeds from Sale of Other Productive Assets View
Proceeds from Sale of Productive Assets View
Proceeds from Sale of Property Held-for-sale View
Proceeds from Sale of Property, Plant, and Equipment View
Proceeds from Sale of Treasury Stock View
Proceeds from Sales of Business, Affiliate and Productive Assets View
Proceeds from Short-term Debt View
Proceeds from Stock Options Exercised View
Production Tax Expense View
Productive Gas Wells, Number of Wells, Gross View
Productive Gas Wells, Number of Wells, Net View
Productive Oil Wells, Number of Wells, Gross View
Productive Oil Wells, Number of Wells, Net View
Property, Plant and Equipment, Gross View
Property, Plant and Equipment, Net View
Property, Plant and Equipment, Other, Gross View
Property, Plant and Equipment, Other, Net View
Property, Plant, and Equipment, Owned, Net View
Property Subject to or Available for Operating Lease, Gross View
Proved Developed and Undeveloped Reserves, Extensions, Discoveries, and Additions View
Proved Developed and Undeveloped Reserves, Improved Recovery View
Proved Developed and Undeveloped Reserves, Net View
Proved Developed and Undeveloped Reserves, Production View
Proved Oil and Gas Property, Successful Effort Method View
Proved Undeveloped Reserve (Volume) View
Real Estate Tax Expense View
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax View
Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves View
Related Party Transaction, Amounts of Transaction View
Related Party Transaction, Expenses from Transactions with Related Party View
Rental Income, Nonoperating View
Repayments of Accounts Receivable Securitization View
Repayments of Lines of Credit View
Repayments of Long-term Debt View
Repayments of Other Debt View
Repayments of Other Long-term Debt View
Repayments of Secured Debt View
Repayments of Short-term Debt View
Restricted Cash and Cash Equivalents, Current View
Restricted Cash and Cash Equivalents, Noncurrent View
Restructuring and Related Cost, Reportable Segment, Incurred Cost (Deprecated 2011-01-31) View
Restructuring Costs View
Results of Operations, Depreciation, Depletion, Amortization and Accretion View
Results of Operations, Expense from Oil and Gas Producing Activities View
Results of Operations, Expense, Other View
Results of Operations, General and Administrative Related to Oil and Gas Producing Activities View
Results of Operations, Impairment of Oil and Gas Properties View
Results of Operations, Income before Income Taxes View
Results of Operations, Income Tax Expense View
Results of Operations, Oil and Gas Producing Activities Net Income (Excluding Corporate Overhead and Interest Costs) View
Results of Operations, Production or Lifting Costs View
Results of Operations, Revenue from Oil and Gas Producing Activities View
Results of Operations, Sales Revenue to Unaffiliated Enterprises View
Results of Operations, Transportation Costs View
Retail Related Inventory, Merchandise View
Retained Earnings (Accumulated Deficit) View
Retained Interest, Fair Value Disclosure View
Revenue, Coal Services (Deprecated 2018-01-31) View
Revenue from Contract with Customer, Excluding Assessed Tax View
Revenue from Purchased Oil and Gas (Deprecated 2018-01-31) View
Revenue Mineral Sales (Deprecated 2018-01-31) View
Revenue, Remaining Performance Obligation, Amount View
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability View
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability View
Royalty Income, Nonoperating View
Royalty Revenue (Deprecated 2018-01-31) View
Sales and Transfers of Oil and Gas Produced, Net of Production Costs View
Revenue, Net (Deprecated 2018-01-31) View
Sales Revenue, Services, Other (Deprecated 2018-01-31) View
Sales Revenue, Services, Net (Deprecated 2018-01-31) View
Secured Debt, Current View
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together, Delinquent Amount at End of Period View
Continuing Involvement with Continued to be Recognized Transferred Financial Assets, Amount Outstanding View
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets (Deprecated 2011-01-31) View
Segment Reporting Information, Intersegment Revenue (Deprecated 2011-01-31) View
Segment Reporting Information, Revenue for Reportable Segment (Deprecated 2013-01-31) View
Segment Reporting, Segment Revenue (Deprecated 2011-01-31) View
Selling, General and Administrative Expense View
Share-based Payment Arrangement, Accelerated Cost View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (Deprecated 2011-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value View
Share Price View
Shares Issued, Price Per Share View
Short-term Debt View
Short-term Lease, Cost View
Short-term Non-bank Loans and Notes Payable View
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other View
Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount View
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves View
Shares Granted, Value, Share-based Payment Arrangement, Forfeited View
Stockholders' Equity Attributable to Parent View
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest View
Stockholders' Equity Note, Spinoff Transaction View
Stock Issued During Period, Shares, Acquisitions View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period View
Stock Issued During Period, Value, New Issues View
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture View
Stock Issued During Period, Value, Treasury Stock Reissued View
Stock Repurchased and Retired During Period, Shares View
Stock Repurchased and Retired During Period, Value View
Stock Repurchased During Period, Shares View
Stock Repurchased During Period, Value View
Stock Repurchase Program, Authorized Amount View
Stock Repurchase Program, Remaining Authorized Repurchase Amount View
Subordinated Debt View
Subsequent Event, Amount, Higher Range (Deprecated 2013-01-31) View
Supplemental Unemployment Benefits, Disability Related Benefits View
Tax Adjustments, Settlements, and Unusual Provisions View
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect View
Taxes, Miscellaneous View
Taxes, Other View
Taxes Other than Income, Excise, Production and Property Taxes (Deprecated 2009-01-31) View
Transfers Accounted for as Secured Borrowings, Associated Liabilities, Carrying Amount View
Treasury Stock Acquired, Average Cost Per Share View
Treasury Stock, Retired, Cost Method, Amount View
Treasury Stock, Shares View
Treasury Stock, Shares, Acquired View
Treasury Stock, Value View
Treasury Stock, Value, Acquired, Cost Method View
Unamortized Debt Issuance Expense View
Unproved Oil and Gas Property, Successful Effort Method View
Unrealized Gain (Loss) on Derivatives View
Unrecognized Tax Benefits View
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions View
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities View
Unrecognized Tax Benefits, Income Tax Penalties Accrued View
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued View
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense View
Unrecognized Tax Benefits, Income Tax Penalties Expense View
Unrecognized Tax Benefits, Interest on Income Taxes Accrued View
Unrecognized Tax Benefits, Interest on Income Taxes Expense View
Unrecognized Tax Benefits, Period Increase (Decrease) View
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations View
Unrecognized Tax Benefits that Would Impact Effective Tax Rate View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year One View
Unrecorded Unconditional Purchase Obligation View
Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Five View
Unrecorded Unconditional Purchase Obligation, Purchases View
Unsecured Debt View
Unusual or Infrequent Item, or Both, Tax Effect View
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount View
SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment View
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount View
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense View
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction View
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage View
Variable Lease, Cost View
Weighted Average Number of Shares Outstanding, Diluted View
Weighted Average Number of Shares Outstanding, Basic View
Workers' Compensation Liability, Current View
Workers' Compensation Liability, Noncurrent View
Deferred Tax Assets, Derivative Instruments View
Share-based Payment Arrangement, Exercise of Option, Tax Benefit View
Other Operating Activities, Cash Flow Statement View
Deferred Income Tax Assets, Net View
Goodwill, Impaired, Accumulated Impairment Loss View
Deferred Tax Assets, Tax Credit Carryforwards, Research View
Deferred Tax Assets, State Taxes View
Deferred Credits and Other Liabilities View
3213995 View