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Company Name: ENERGEN CORP
CIK: 277595
Phone: None
Fiscal Year End: None
Entity Type:
SIC: -
Category Type:
Entity Name: None
First Filing Date: 2009-08-07
Last Filing Date: 2018-11-08
SEC Filings
Start End Frame Filed ACCN Value View
2013-01-01 2013-03-31 CY2012Q1 2013-05-09 0000277595-13-000029 $ 72,143,000 View
2013-04-01 2013-06-30 CY2012Q2 2013-08-08 0000277595-13-000043 $ 72,167,000 View
2013-07-01 2013-09-30 CY2012Q3 2013-11-08 0000277595-13-000057 $ 72,346,000 View
2013-01-01 2013-12-31 CY2013Q4I 2014-03-03 0000277595-14-000012 $ 48 View
2014-01-01 2014-03-31 CY2014Q1I 2014-05-09 0000277595-14-000024 $ 45 View
2014-04-01 2014-06-30 CY2014Q2I 2014-08-11 0000277595-14-000035 $ 56 View
2014-07-01 2014-09-30 CY2014Q3I 2014-11-07 0000277595-14-000048 $ 56 View
2009-07-01 2009-09-30 CY2008Q3 2009-11-03 0001193125-09-221554 $ 71,651,000 View
2009-01-01 2009-12-31 CY2007 2010-02-25 0001193125-10-040857 $ 71,667,304 View
2010-01-01 2010-03-31 CY2009Q1 2010-05-07 0001193125-10-112390 $ 71,810,000 View
2010-04-01 2010-06-30 CY2009Q2 2010-08-03 0001193125-10-175234 $ 71,844,000 View
2010-07-01 2010-09-30 CY2009Q3 2010-11-04 0001193125-10-248277 $ 71,854,000 View
2010-01-01 2010-12-31 CY2008 2011-02-25 0001193125-11-047619 $ 71,845,463 View
2011-01-01 2011-03-31 CY2010Q1 2011-05-09 0001193125-11-131912 $ 72,001,000 View
2011-04-01 2011-06-30 CY2010Q2 2011-08-26 0001445305-11-002636 $ 72,065,000 View
2011-07-01 2011-09-30 CY2010Q3 2011-11-08 0000277595-11-000002 $ 72,068,000 View
2011-01-01 2011-12-31 CY2009 2012-02-27 0000277595-12-000007 $ 72,055,661 View
2012-01-01 2012-03-31 CY2011Q1 2012-05-10 0000277595-12-000016 $ 72,102,000 View
2012-04-01 2012-06-30 CY2011Q2 2012-08-08 0000277595-12-000025 $ 72,117,000 View
2009-04-01 2009-06-30 CY2008Q2 2009-08-07 0001193125-09-168492 $ 71,644,000 View
2012-07-01 2012-09-30 None 2012-11-07 0000277595-12-000036 $ 72,130,000 View
2012-07-01 2012-09-30 CY2011Q3 2012-11-13 0000277595-12-000039 $ 72,130,000 View
2012-01-01 2012-12-31 CY2010 2013-02-28 0000277595-13-000012 $ 72,119,021 View
2017-07-01 2017-09-30 CY2016Q3 2017-11-08 0000277595-17-000067 $ 97,198,000 View
2018-01-01 2018-03-31 CY2018Q1 2018-05-09 0000277595-18-000045 $ 97,321,000 View
2018-04-01 2018-06-30 CY2018Q2 2018-08-08 0000277595-18-000067 $ 97,433,000 View
2018-07-01 2018-09-30 CY2018Q3 2018-11-08 0000277595-18-000084 $ 97,485,000 View
2014-01-01 2014-12-31 CY2014Q4I 2015-03-02 0000277595-15-000009 $ 38 View
2015-01-01 2015-03-31 CY2015Q1I 2015-05-08 0000277595-15-000020 $ 41 View
2015-04-01 2015-06-30 CY2015Q2I 2015-08-07 0000277595-15-000034 $ 48 View
2015-07-01 2015-09-30 CY2015Q3I 2015-11-06 0000277595-15-000054 $ 55 View
2015-01-01 2015-12-31 CY2015Q4I 2016-02-16 0000277595-16-000067 $ 40 View
2016-01-01 2016-03-31 CY2016Q1I 2016-05-09 0000277595-16-000080 $ 33 View
2016-04-01 2016-06-30 CY2016Q2I 2016-08-08 0000277595-16-000099 $ 31 View
2016-07-01 2016-09-30 CY2016Q3I 2016-11-08 0000277595-16-000112 $ 46 View
2016-01-01 2016-12-31 CY2016Q4I 2017-02-28 0000277595-17-000011 $ 59 View
2017-01-01 2017-03-31 CY2017Q1I 2017-05-09 0000277595-17-000028 $ 55 View
2017-04-01 2017-06-30 CY2017Q2I 2017-08-08 0000277595-17-000048 $ 51 View
2017-01-01 2017-12-31 CY2017Q4I 2018-02-28 0000277595-18-000014 $ 49 View
SEC Facts By Type
Type Name Description View
us-gaap Payments for Repurchase of Common Stock The cash outflow to reacquire common stock during the period. 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 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 Deferred Costs, Noncurrent Amount of deferred cost, excluding capitalized cost related to contract with customer; classified as noncurrent. 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
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 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 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 Accrued Royalties, Current Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. 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), 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 Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Other (Deprecated 2011-01-31) Transactions that do not result in cash inflows or outflows in the period in which they occur, but affect net income and thus are removed when calculating net cash flow from operating activities using the indirect cash flow method. This element is used when there is not a more specific and appropriate element. 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 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 Funds Used During Construction, Investing Activities Cash inflow due to change during the period in the allowance for other funds used during construction classified as an investing activity. View
us-gaap Amortization of Debt Issuance Costs Amount of amortization expense attributable to debt issuance costs. 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 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 Deferred Federal Income Tax Expense (Benefit) Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. 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, 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 Held-for-sale, Current (Deprecated 2014-01-31) Current assets (normally turning over within one year or one business cycle if longer) that are held for sale apart from normal operations and anticipated to be sold within one year. View
us-gaap Assets, Noncurrent 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 after one year or beyond the normal operating cycle, if longer. 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 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 Costs, Uncompleted Wells, Equipment and Facilities Capitalized costs of which include those incurred to (1) drill and equip wells that are not yet completed (2) acquire or construct equipment and facilities that are not yet installed. 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 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 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 Lease Obligation Incurred Amount of increase in lease obligation from new lease. View
us-gaap Capital Leases, Future Minimum Payments Due Amount of minimum lease payments for capital leases. View
us-gaap Deferred Federal, State and Local, Tax Expense (Benefit) Amount of deferred state, local, and federal tax expense (benefit) pertaining to income (loss) from continuing operations. 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, 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, Income Statement, Interest Expense The financing charge for leasing arrangements meeting the criteria for capitalization. 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 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 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 Commitments and Contingencies Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur. 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, 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, 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 Contract with Customer, Asset, after Allowance for Credit Loss, Current 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, classified as current. 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 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 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, Asset Retirement Obligation Incurred Amount of asset retirement obligations (ARO) costs incurred (whether capitalized or charged to expense) during the period. 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 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 Current Federal, State and Local, Tax Expense (Benefit) Amount of current state, local, and federal tax expense (benefit) pertaining to income (loss) from continuing operations. 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 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 Customer Advances, Current The current portion of prepayments received from customers for goods or services to be provided in the future. View
us-gaap Customer Deposits, Current The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings. 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, Unamortized Discount Amount, after accumulated amortization, of debt discount. View
us-gaap Debt Issuance Cost (Deprecated 2016-01-31) Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees). View
us-gaap Debt Related Commitment Fees and Debt Issuance Costs Represents the charge against earnings during the period for commitment fees and debt issuance expenses. 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 Compensation Arrangement with Individual, Compensation Expense The compensation expense recognized during the period pertaining to the deferred compensation arrangement. View
us-gaap Deferred Compensation Equity Value of stock issued under share-based plans to employees or officers which is the unearned portion, accounted for under the fair value method. 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, Gross, Current Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current. View
us-gaap Deferred Tax Assets, Gross, Noncurrent Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as noncurrent. 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, Current Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, netted by jurisdiction and classified as current. View
us-gaap Deferred Tax Assets, Net, Noncurrent Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent. 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, 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, Subject to Expiration Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates. 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, 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 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, 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 Assets, Tax Deferred Expense, Reserves and Accruals, Self Insurance Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated losses under self insurance. 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 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, Net, Current Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as current. View
us-gaap Deferred Tax Liabilities, Gross, Current Amount of deferred tax liability attributable to taxable temporary differences classified as current. View
us-gaap Deferred Tax Liabilities, Gross, Noncurrent Gross amount of noncurrent deferred tax liabilities, which result from applying the applicable tax rate to taxable temporary differences pertaining to each jurisdiction to which the entity is obligated to pay income tax. 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, Other Comprehensive Income Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains in other comprehensive income. View
us-gaap Assets for Plan Benefits, Defined Benefit Plan Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. 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, Plan Assets, Business Combination Amount of increase in plan assets of defined benefit plan from business combination. 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, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate. 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 Decrease on Service and Interest Cost Components Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate. 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, 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 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 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 Assets, Payment for Settlement Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. View
us-gaap Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits Amount of increase in benefit obligation for benefits provided to employees payable from defined benefit plan or payable upon retirement. View
us-gaap Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2017-01-31) Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. View
us-gaap Derivative Asset, Collateral, Obligation to Return Cash, Offset Amount of obligation to return cash collateral under master netting arrangements offset against derivative 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, Collateral, Obligation to Return Cash Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets. View
us-gaap Derivative, Collateral, Obligation to Return Securities Amount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets. View
us-gaap Derivative, Collateral, Right to Reclaim Cash Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities. View
us-gaap Derivative, Collateral, Right to Reclaim Securities Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities. 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 Asset, Fair Value, Amount Offset Against Collateral Fair value, after effects of master netting arrangements, of 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 offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset. View
us-gaap Derivative, Fair Value, Net Fair value of the assets less the liabilities of a derivative or group of derivatives. 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 Derivative Instruments and Hedges, Assets Carrying amount as of the balance sheet date of the asset arising from derivative instruments and hedging activities, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer. 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 and Hedges, Liabilities, Noncurrent Fair value of liability arising from contracts that meet the criteria of being accounted for as derivative instruments, financial instrument or contract used to mitigate a specified risk (hedge), energy marketing activities (trading activities), expected to be settled after one year or beyond the normal operating cycle, if longer. Examples of energy marketing activities include, but are not limited to, trading of electricity, coal, natural gas and oil using financial instruments, including, but not limited to, forward contracts, options and swaps. 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 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 Derivative Liability 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. Includes liabilities not subject to a master netting arrangement and not elected to be offset. View
us-gaap Derivative Liability, Collateral, Right to Reclaim Cash, Offset Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities. View
us-gaap Derivative Liability, Fair Value, Gross Asset Fair value of asset associated with 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. 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, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Per Basic Share Per basic share amount, after tax, of the gain (loss) on the disposal of discontinued operations. View
us-gaap Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Per Diluted Share Per diluted share amount, after tax, of the gain (loss) on the disposal of discontinued operations. 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, Income (Loss) from Discontinued Operation, 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. View
us-gaap Discontinued Operation, Income (Loss) from Discontinued Operation, 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. View
us-gaap Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation Amount of tax expense (benefit) on gain (loss) not previously recognized resulting from the disposal of a discontinued operation. 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 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 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 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 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 Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of. View
us-gaap Disposal Group, Including Discontinued Operation, Accounts Payable Amount classified as accounts payable attributable to disposal group held for sale or disposed of. 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 Due to Affiliate, Current Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). 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 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, 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 Effect on Other Comprehensive Income (Loss) Due to Change in Measurement Date, Net of Tax (Deprecated 2011-01-31) Adjustment increasing or decreasing other comprehensive income due to a change in the measurement date for a defined benefit pension and other postretirement plan in the initial application of the measurement provisions of FAS 158. View
us-gaap Results of Operations, Revenue from Oil and Gas Producing Activities Total revenues from oil and gas producing activities. View
us-gaap Employee-related Liabilities, Current 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. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31) Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. View
us-gaap Energy Related Inventory, Gas Stored Underground Carrying amount as of the balance sheet date of natural gas stored underground in depleted gas reservoirs, aquifers, or salt caverns to meet seasonal and peak load demands, and also as insurance against unforeseen supply disruptions, and deemed to be a current asset because it is expected to be used within twelve months or in the normal operating cycle. View
us-gaap Energy Related Inventory, Natural Gas in Storage Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale. View
us-gaap Exploration Expense "Exploration expenses (including prospecting) related to oil and gas producing entities and would be included in operating expenses of that entity. Costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: (i) Costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or ""G&G"" costs. (ii) Costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, and the maintenance of land and lease records. (iii) Dry hole contributions and bottom hole contributions. (iv) Costs of drilling and equipping exploratory wells. (v) Costs of drilling exploratory-type stratigraphic test wells." 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 Financing Receivable, Allowance for Credit Loss Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. View
us-gaap Financing Receivable, Allowance for Credit Losses, Provisions (Deprecated 2012-01-31) Charge to expense for financing receivables that are expected to be uncollectible. 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 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 Derivative Instruments, Net, Pretax Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. View
us-gaap Gas Domestic Regulated Revenue (Deprecated 2018-01-31) Revenue derived from the regulated (by a federal, state, or local government or agency) generation, transmission and distribution of [natural] gas. 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 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) from Continuing Operations, Net of Tax, Attributable to Parent Amount after tax of income (loss) from continuing operations attributable to the parent. View
us-gaap Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. 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 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 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 (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 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 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 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 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 Income Taxes Receivable, Noncurrent Carrying amount due after 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 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 Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, 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 income tax rates. 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 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 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, 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, 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 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 Increase (Decrease) in Accounts Receivable The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. 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 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 Income Taxes Payable, Net of Income Taxes Receivable 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. View
us-gaap Increase (Decrease) in Income Taxes Receivable The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid. 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 Current Assets and Liabilities, Net Amount of increase (decrease) in current operating assets after deduction of current operating liabilities 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 Line of Credit Facility, Maximum Month-end Outstanding Amount Maximum month-end amount borrowed under the credit facility during the period. View
us-gaap Interest Costs Capitalized Amount of interest capitalized during the period. 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 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 Disposal Group, Including Discontinued Operation, Inventory, Current (Deprecated 2015-01-31) Amount classified as inventory 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 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, Raw Materials and Supplies, Gross Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. View
us-gaap Inventory Valuation Reserves Amount of valuation reserve for inventory. 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 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 Liabilities of Assets Held-for-sale (Deprecated 2014-01-31) Liability (such as a mortgage) related to a disposal group that is held for sale and anticipated to be sold in less than one year. The liability is expected to be discharged as part of the plan of sale for the asset. 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 Line of Credit Facility, Average Outstanding Amount Average amount borrowed under the credit facility during the period. 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, Interest Rate at Period End The effective interest rate at the end of the reporting period. View
us-gaap Line of Credit Facility, Interest Rate During Period The effective interest rate during the reporting period. View
us-gaap Line of Credit Facility, Unused Capacity, Commitment Fee Percentage The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. View
us-gaap Litigation Settlement, Expense Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. 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, 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 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, Maturity, Remainder of Fiscal Year 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 remainder of current fiscal year. 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) 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 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 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 Noncash or Part Noncash Divestiture, Amount of Consideration Received Amount of noncash consideration received for selling an asset or business through a noncash (or part noncash) transaction. 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 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 Oil and Gas Property, Successful Effort Method, Accumulated Depreciation, Depletion and Amortization Amount of accumulated depreciation, depletion and amortization of oil and gas property carried under the successful effort method. Oil and gas property include, but not limited to, the entity's wells and related equipment and facilities. View
us-gaap Oil and Gas Property, Successful Effort Method, Gross Oil and Gas properties, gross, carried under the successful effort method. View
us-gaap Oil and Gas Property, Successful Effort Method, Net Oil and gas properties net of accumulated depreciation, depletion, amortization, impairment, and abandonment, carried under the successful effort method. View
us-gaap Oil and Gas Revenue (Deprecated 2018-01-31) Aggregate revenue during the period related to oil and gas business activities. View
us-gaap Operating Income (Loss) The net result for the period of deducting operating expenses from operating revenues. 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 Other Additional Capital Amount of additional paid-in capital (APIC) classified as other. View
us-gaap Other Adjustments for Noncash Items Included in Income (Loss) from Continuing Operations (Deprecated 2009-01-31) Transactions that result in no cash inflows or outflows in the period in which they occur, but affect net income and thus are removed when calculating net cash flow from operating activities using the indirect method. This element is used when there is not a more specific and appropriate element. 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), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Tax (Deprecated 2013-01-31) Tax effect of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost. 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, Transition Asset (Obligation), Reclassification Adjustment from AOCI, Tax Amount of tax expense (benefit) for reclassification adjustment from accumulated other comprehensive income (loss) for transition asset (obligation) of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Amount of tax expense (benefit) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. 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, 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, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax Amount, after 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, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax Amount of tax (expense) benefit 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, Net of Tax (Deprecated 2013-01-31) Net of tax amount of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost. 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 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, 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), Net of Tax Amount after tax and reclassification adjustments of other comprehensive income (loss). 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, before Reclassification Adjustment, after Tax Amount, after tax, before reclassification adjustment, of (increase) decrease in accumulated other comprehensive income of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). 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, before Reclassification Adjustment, Tax Amount, before reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), Reclassification Adjustment from AOCI, after Tax Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss) for transition asset (obligation) of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized in Net Periodic Benefit Cost, Tax (Deprecated 2013-01-31) Tax effect of the income statement impact of the reclassification adjustment for the net transition asset (obligation) recognized as a component of net periodic benefit cost. 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), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2012-01-31) Tax effect on 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), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized in Net Periodic Benefit Cost, Net of Tax (Deprecated 2013-01-31) Net of tax amount of the income statement impact of the reclassification adjustment for the net transition (asset) obligation recognized as a component of net periodic benefit cost. View
us-gaap Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax (Deprecated 2013-01-31) Net of tax amount of the income statement impact of the reclassification adjustment for actuarial (gains) losses recognized as a component of net periodic benefit cost. View
us-gaap Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax (Deprecated 2012-01-31) For each annual statement of income presented, the tax effect of the net gain (loss) recognized in other comprehensive income that is a reclassification adjustment of other comprehensive income as a result of being recognized as a component of net periodic benefit cost for the period. View
us-gaap Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized in Net Periodic Benefit Cost, Tax (Deprecated 2012-01-31) For each annual statement of income presented, the tax effect of the net transition asset or obligation recognized as a reclassification adjustment of other comprehensive income as a result of being recognized as a component of net periodic benefit cost for the period. 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 Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Amount of tax expense (benefit), before reclassification adjustments, related to 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 OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. View
us-gaap Other Liabilities, Current Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. 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 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 Operating Income (Expense), Net The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. 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 Payments for (Proceeds from) Other Investing Activities Amount of cash (inflow) outflow from investing activities classified as other. View
us-gaap Payments for (Proceeds from) Productive Assets The net cash outflow or inflow from purchases, sales and disposals of property, plant and equipment and other productive assets, including intangibles. View
us-gaap Payments of Ordinary Dividends, Common Stock Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. 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 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 Acquire Short-term Investments The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. 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 Pension and Other Postretirement Defined Benefit Plans, Noncurrent Liabilities (Deprecated 2009-01-31) For classified balance sheets this represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans. For unclassified balance sheets, this represents the entire liability recognized in the balance sheet that is associated with the defined benefit plans. 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, 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 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 Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, after Year Five Amount of prescription drug subsidy receipt expected after fifth fiscal year following current fiscal year. View
us-gaap Prescription Drug Subsidy Receipts, Five Fiscal Years Thereafter (Deprecated 2012-01-31) Aggregate amount for the next five fiscal years following the first five fiscal years (that is the aggregate of fiscal years six through ten) following the balance sheet date of the prescription drug subsidy receipts expected to be received. View
us-gaap Retained Earnings (Accumulated Deficit) The cumulative amount of the reporting entity's undistributed earnings or deficit. 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 (Payments for) Other Financing Activities Amount of cash inflow (outflow) from financing activities 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 (Repurchase of) Equity The net cash inflow or outflow resulting from the entity's share transaction. 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 Short-term Investments The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. View
us-gaap Property, Plant and Equipment, Gross, Period Increase (Decrease) Amount of increase (decrease) of long-lived, 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, furniture and fixtures, and computer equipment. 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 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, 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 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 (BOE) (Deprecated 2013-01-31) 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 do not include reserves relating to interests of others in properties owned by the enterprise. Measured in barrel of oil equivalent (BOE). View
us-gaap 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
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 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 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
us-gaap Accounts Receivable, Credit Loss Expense (Reversal) Amount of expense (reversal of expense) for expected credit loss on accounts receivable. View
us-gaap Provision for Loan, Lease, and Other Losses Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. View
us-gaap Public Utilities, Property, Plant and Equipment, Accumulated Depreciation Period end book value of accumulated depreciation on property, plant and equipment (PPE) that is owned by the regulated operations of the public utility. View
us-gaap Public Utilities, Property, Plant and Equipment, Net Period end amount of total net PPE. View
us-gaap Public Utilities, Property, Plant and Equipment, Plant in Service Period end amount of total gross PPE. View
us-gaap Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Amount before tax of reclassification adjustments of other comprehensive income (loss). 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 from AOCI, Current Period, Net of Tax, Attributable to Parent Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent. View
us-gaap Reclassification from AOCI, Current Period, Tax Amount of tax expense (benefit) of reclassification adjustment from accumulated 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 Regulatory Assets, Noncurrent Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer. View
us-gaap Regulatory Liability, Current The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period. View
us-gaap Regulatory Liability, Noncurrent The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period. 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 Results of Operations, Accretion of Asset Retirement Obligations Accretion expense of asset retirement obligations related to oil and gas producing activities. View
us-gaap Results of Operations, Depreciation, Depletion and Amortization, and Valuation Provisions Depreciation, depletion and amortization, and valuation provisions (impairments) related to oil and gas producing activities. View
us-gaap Results of Operations, Exploration Expense Exploration costs from 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 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 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 Share-based Payment Arrangement, Noncash Expense Amount of noncash expense for share-based payment arrangement. View
us-gaap Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) The weighted average remaining life of the exercisable stock options as of the balance sheet date for all option plans in the customized range of exercise prices. 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 Investments Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. 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 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
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 Stock Issued The fair value of stock issued in noncash financing activities. View
us-gaap Stock Issued During Period, Value, Employee Benefit Plan Value of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan. View
us-gaap Stock Issued During Period, Value, Employee Stock Purchase Plan Aggregate change in value for stock issued during the period as a result of employee stock purchase plan. 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, 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 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 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, Number of Shares Held (Deprecated 2016-01-31) Number of shares held for each class of treasury stock. 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 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 Unrecognized Tax Benefits Amount of unrecognized tax benefits. 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 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 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, 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, 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, Increase Resulting from Settlements with Taxing Authorities Amount of increase in unrecognized tax benefits resulting from settlements with taxing authorities. 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 Utilities Operating Expense, Gas and Petroleum Purchased Amount of operating expense for purchased gas and petroleum of regulated operation. View
us-gaap Utilities Operating Expense, Maintenance and Operations Amount of operating expense for routine plant maintenance, repairs and operations of regulated operation. 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 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 Wells in Process of Drilling The number of wells in the process of being drilled in each geographic area as of the date listed. 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 Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year Two Amount of prescription drug subsidy receipt expected in second fiscal year following current fiscal year. 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 Proceeds from Issuance of Common Stock The cash inflow from the additional capital contribution to the entity. 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
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
us-gaap Accrued Royalties (Deprecated 2009-01-31) Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. 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 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 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 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 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 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 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, at Carrying Value, Including Discontinued Operations For the entity and the disposal group, cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents. 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 Compensation and Benefits Trust The value of a trust established to hold the stock of an employee compensation and benefits plan as of the balance sheet date. 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 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 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 Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Still Held Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets still held. View
us-gaap Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Assets Transferred into (out of) Level 3 Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan, for assets transferred into (out of) Level 3 of fair value hierarchy. Includes, but is not limited to, transfer due to change in observability of significant inputs. 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 Derivative Asset, Fair Value, Gross Liability Fair value of liability associated with 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. View
us-gaap Derivative Asset 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. Includes assets not subject to a master netting arrangement and not elected to be offset. View
us-gaap Derivative Liability, Fair Value, Gross Liability Fair value, before 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. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. View
us-gaap Derivative Liability, Fair Value, Amount Offset Against Collateral Fair value, after effects of master netting arrangements, of 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 offset against the right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset. 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 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 Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation. 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, Accrued Income Tax Payable, Current Amount classified as income tax obligations 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, Cash Amount of currency on hand, demand deposits with banks or financial institutions, and other kinds of accounts that have the general characteristics of demand deposits, held by a disposal group. 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, 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 Income (Loss) Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation. 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 Liabilities, Current Amount classified as other 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, 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, Other Liabilities, Noncurrent Amount classified as other 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 Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Current Amount classified as property, plant and equipment 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, 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 Effect on Retained Earnings (Accumulated Deficit) Due to Change in Measurement Date, Net of Tax (Deprecated 2016-01-31) Net of tax adjustment decreasing or increasing retained earnings due to a change in the measurement date for a defined benefit pension and other postretirement plan in the initial application of the measurement provision of FAS 158. View
us-gaap Employee-related Liabilities (Deprecated 2009-01-31) 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. 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 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 Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net The amount of net gain (loss) reclassified into earnings in the period when cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period. 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 (Loss) on Disposition of Assets for Financial Service Operations Amount of gain (loss) on sale or disposal of assets utilized in financial service operations. 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 Increase (Decrease) in Customer Advances The increase (decrease) during the reporting period in the amount of prepayments by customers for goods or services to be provided at a later date. View
us-gaap Increase (Decrease) in Due from Affiliates, Current The increase (decrease) during the reporting period in current receivables (due within one year or one operating cycle) to be collected from an entity that is controlling, under the control of, or within the same control group as the reporting entity by means of direct or indirect ownership. 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 Increase (Decrease) in Outstanding Checks, Operating Activities The change in cash during the period due to the net increase or decrease in outstanding checks, the liability that represents checks that have been issued but that have not cleared. The entity may classify these cash flows as financing or operating activities. Another element, Increase (Decrease) in Outstanding Checks, Financing Activities, represents cash flows from outstanding checks classified as financing activities. View
us-gaap Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits Amount of increase (decrease) in obligation for pension and other postretirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans. View
us-gaap Increase (Decrease) in Obligation, Pension Benefits Amount of increase (decrease) in obligation for pension benefits. Includes, but is not limited to, defined benefit or defined contribution plans. Excludes other postretirement benefits. 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 Long-term Line of Credit The carrying value as of the balance sheet date of the current and noncurrent portions 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 Line of Credit Facility, Remaining Borrowing Capacity Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). 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 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 Notes Payable to Bank, Current Current portion of the total carrying amount as of the balance sheet date due within one year or the operating cycle, if longer, on all notes payable to banks paid on an installment with long term maturities. This can include the amount of any loans from the applicant firm. This does not, however, include any mortgage balances. 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 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 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 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 Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. 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), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax (Deprecated 2013-01-31) Tax effect of the income statement impact of the reclassification adjustment for actuarial gain (loss) recognized as a component of net periodic benefit cost. 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 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 Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year One Amount of prescription drug subsidy receipt expected in next fiscal year following current fiscal year. View
us-gaap Prescription Drug Subsidy Receipts, Year Five (Deprecated 2012-01-31) Amount of the prescription drug subsidy receipts expected to be received in Year 5 after the balance sheet date. View
us-gaap Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year Five Amount of prescription drug subsidy receipt expected in fifth fiscal year following current fiscal year. View
us-gaap Prescription Drug Subsidy Receipts, Year Four (Deprecated 2012-01-31) Amount of the prescription drug subsidy receipts expected to be received in Year 4 after the balance sheet date. View
us-gaap Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year Four Amount of prescription drug subsidy receipt expected in fourth fiscal year following current fiscal year. View
us-gaap Prescription Drug Subsidy Receipts, Year One (Deprecated 2012-01-31) Amount of the prescription drug subsidy receipts expected to be received in Year 1 after the balance sheet date. View
us-gaap Prescription Drug Subsidy Receipts, Year Three (Deprecated 2012-01-31) Amount of the prescription drug subsidy receipts expected to be received in Year 3 after the balance sheet date. View
us-gaap Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year Three Amount of prescription drug subsidy receipt expected in third fiscal year following current fiscal year. View
us-gaap Prescription Drug Subsidy Receipts, Year Two (Deprecated 2012-01-31) Amount of the prescription drug subsidy receipts expected to be received in Year 2 after the balance sheet date. View
us-gaap Proceeds from (Repayments of) Lines of Credit The net cash inflow or cash outflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets). View
us-gaap Proved Undeveloped Reserve (BOE) (Deprecated 2013-01-31) 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 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 do not include reserves relating to interests of others in properties owned by the enterprise. Measured in barrel of oil equivalent (BOE). View
us-gaap Regulatory Assets, Current Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are expected to be recovered through revenue sources within one year or the normal operating cycle, if longer. Such costs are capitalized if they meet both of the following criteria: a. It is probable that future revenue in an amount at least equal to the capitalized cost will result from inclusion of that cost in allowable costs for rate-making purposes. b. Based on available evidence, the future revenue will be provided to permit recovery of the previously incurred cost rather than to provide for expected levels of similar future costs. If the revenue will be provided through an automatic rate-adjustment clause, this criterion requires that the regulator's intent clearly be to permit recovery of the previously incurred cost. 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 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 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
Chart of Accounts => Accounts
Name View
Accounts Payable, Current View
Accounts Receivable, after Allowance for Credit Loss, Current View
Accretion of Discount (Deprecated 2016-01-31) View
Accrued Income Taxes, Current View
Accrued Income Taxes Payable (Deprecated 2009-01-31) View
Accrued Royalties (Deprecated 2009-01-31) View
Accrued Royalties, Current 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
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Other (Deprecated 2011-01-31) 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
Share-based Payment Arrangement, Expense View
Accounts Receivable, Allowance for Credit Loss, Current View
Allowance for Funds Used During Construction, Investing Activities View
Amortization of Debt Issuance Costs 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, Liabilities Incurred View
Asset Retirement Obligation, Liabilities Settled View
Asset Retirement Obligation, Revision of Estimate View
Asset Retirement Obligations, Noncurrent View
Assets View
Assets, Current View
Assets Held-for-sale, Current (Deprecated 2014-01-31) View
Assets, Noncurrent View
Disposal Group, Including Discontinued Operation, Assets View
Disposal Group, Including Discontinued Operation, Assets, Current 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, Uncompleted Wells, Equipment and Facilities View
Capitalized Costs, Unproved Properties View
Capitalized Exploratory Well Cost, Charged to Expense 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
Lease Obligation Incurred 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 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, Interest Included in Payments View
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments View
Capital Leases, Income Statement, Interest Expense View
Cash and Cash Equivalents, at Carrying Value View
Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations View
Cash and Cash Equivalents, Period Increase (Decrease) 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
Commitments and Contingencies View
Common Stock, Dividends, Per Share, Cash Paid View
Common Stock, Par or Stated Value Per Share View
Common Stock, Shares Authorized View
Common Stock, Shares, Issued View
Common Stock, Value, Issued View
Compensation and Benefits Trust View
Contract with Customer, Asset, after Allowance for Credit Loss, Current View
Costs and Expenses 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, Asset Retirement Obligation Incurred 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
Current Federal, State and Local, Tax Expense (Benefit) View
Current Federal Tax Expense (Benefit) View
Current Income Tax Expense (Benefit) View
Current State and Local Tax Expense (Benefit) View
Customer Advances, Current View
Customer Deposits, Current View
Long-term Debt, Gross View
Debt Instrument, Unamortized Discount View
Deferred Compensation Arrangement with Individual, Compensation Expense View
Deferred Compensation Equity View
Deferred Costs, Noncurrent View
Deferred Federal Income Tax Expense (Benefit) View
Deferred Federal, State and Local, Tax Expense (Benefit) View
Deferred Income Tax Expense (Benefit) View
Deferred Income Tax Liabilities, Net View
Deferred State and Local Income Tax Expense (Benefit) View
Deferred Tax Assets, Derivative Instruments View
Deferred Tax Assets, Gross, Current View
Deferred Tax Assets, Gross, Noncurrent View
Deferred Tax Assets, Net View
Deferred Tax Assets, Net, Current View
Deferred Tax Assets, Net, Noncurrent 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, Domestic View
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration View
Deferred Tax Assets, Other View
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Other View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Self Insurance View
Deferred Tax Assets, Valuation Allowance View
Deferred Tax Assets, Valuation Allowance, Current View
Deferred Tax Assets, Valuation Allowance, Noncurrent View
Deferred Tax Liabilities, Net View
Deferred Tax Liabilities, Net, Current View
Deferred Tax Liabilities, Gross, Current View
Deferred Tax Liabilities, Gross, Noncurrent View
Deferred Tax Liabilities, Net, Noncurrent View
Deferred Tax Liabilities, Other View
Deferred Tax Liabilities, Other Comprehensive Income View
Liability, Defined Benefit Pension Plan, Current View
Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Still Held View
Assets for Plan Benefits, Defined Benefit Plan View
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets View
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase View
Defined Benefit Plan, Plan Assets, Business Combination 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, Effect of One Percentage Point Decrease on Service and Interest Cost Components 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, 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, Net Periodic Benefit Cost (Credit) View
Defined Benefit Plan, Plan Assets, Payment for Settlement View
Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits View
Derivative Asset, Collateral, Obligation to Return Cash, Offset View
Derivative Asset, Fair Value, Gross Liability View
Derivative Asset View
Derivative Asset, Current View
Derivative Asset, Noncurrent View
Derivative, Collateral, Obligation to Return Cash View
Derivative, Collateral, Obligation to Return Securities View
Derivative, Collateral, Right to Reclaim Cash View
Derivative, Collateral, Right to Reclaim Securities View
Derivative Asset, Fair Value, Gross Asset View
Derivative Asset, Fair Value, Amount Offset Against Collateral View
Derivative Liability, Fair Value, Gross Liability View
Derivative Liability, Fair Value, Amount Offset Against Collateral View
Derivative, Fair Value, Net View
Derivative, Gain (Loss) on Derivative, Net View
Derivative Instruments and Hedges, Assets View
Derivative Instruments and Hedges, Liabilities View
Derivative Instruments and Hedges, Liabilities, Noncurrent View
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred View
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31) View
Derivative Liability View
Derivative Liability, Noncurrent View
Derivative Liability, Collateral, Right to Reclaim Cash, Offset View
Derivative Liability, Fair Value, Gross Asset View
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax View
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax View
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Per Basic Share View
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Per Diluted Share 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, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share View
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share View
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal 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 Income Tax Expense (Deprecated 2013-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Net Cash Flows (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, Notes and Loans Receivable, Net View
Disposal Group, Including Discontinued Operation, Accounts Payable View
Dividends, Cash View
Due to Affiliate, Current 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
Effect on Other Comprehensive Income (Loss) Due to Change in Measurement Date, Net of Tax (Deprecated 2011-01-31) View
Effect on Retained Earnings (Accumulated Deficit) Due to Change in Measurement Date, Net of Tax (Deprecated 2016-01-31) View
Employee-related Liabilities (Deprecated 2009-01-31) View
Employee-related Liabilities, Current View
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31) View
Energy Related Inventory, Gas Stored Underground View
Energy Related Inventory, Natural Gas in Storage View
Excess Tax Benefit from Share-based Compensation, Financing Activities View
Exploration Expense View
Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs View
Financing Receivable, Allowance for Credit Loss View
Financing Receivable, Allowance for Credit Losses, Provisions (Deprecated 2012-01-31) 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
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 Derivative Instruments, Net, Pretax View
Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net View
Gain (Loss) on Disposition of Assets View
Gain (Loss) on Disposition of Assets for Financial Service Operations View
Gas Domestic Regulated Revenue (Deprecated 2018-01-31) View
General and Administrative Expense View
Impairment of Long-Lived Assets to be Disposed of View
Impairment of Oil and Gas Properties View
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent View
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest 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 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 Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority View
Income Tax Expense (Benefit) View
Income Taxes Paid View
Income Taxes Receivable, Current View
Income Taxes Receivable, Noncurrent View
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount View
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, 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 at Federal Statutory Income Tax Rate, Amount View
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount View
Increase (Decrease) in Accounts Payable View
Increase (Decrease) in Accounts Receivable View
Increase (Decrease) in Income Taxes Payable View
Increase (Decrease) in Customer Advances 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 Payable, Net of Income Taxes Receivable View
Increase (Decrease) in Income Taxes Receivable View
Increase (Decrease) in Inventories View
Increase (Decrease) in Other Current Assets and Liabilities, Net View
Increase (Decrease) in Other Operating Assets and Liabilities, Net View
Increase (Decrease) in Outstanding Checks, Operating Activities View
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits View
Interest Costs Capitalized View
Interest Expense View
Interest Expense, Debt View
Interest Paid, Excluding Capitalized Interest, Operating Activities View
Disposal Group, Including Discontinued Operation, Inventory, Current (Deprecated 2015-01-31) View
Inventory, Net View
Inventory, Raw Materials and Supplies, Gross View
Inventory Valuation Reserves View
Liabilities View
Liabilities and Equity View
Liabilities, Current View
Liabilities of Assets Held-for-sale (Deprecated 2014-01-31) View
Disposal Group, Including Discontinued Operation, Liabilities View
Disposal Group, Including Discontinued Operation, Liabilities, Current View
Long-term Line of Credit View
Line of Credit Facility, Average Outstanding Amount View
Line of Credit Facility, Current Borrowing Capacity View
Line of Credit Facility, Interest Rate at Period End View
Line of Credit Facility, Interest Rate During Period View
Line of Credit Facility, Maximum Borrowing Capacity View
Line of Credit Facility, Maximum Month-end Outstanding Amount View
Line of Credit Facility, Remaining Borrowing Capacity View
Litigation Settlement, Expense View
Long-term Debt View
Long-term Debt, Current Maturities 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, Maturity, Remainder of Fiscal Year View
Long-term Debt, Excluding Current Maturities View
Net Cash Provided by (Used in) Financing Activities View
Net Cash Provided by (Used in) Operating Activities View
Net Income (Loss) Attributable to Parent View
Net Increase (Decrease) in Sales and Transfer Prices and Production Costs View
Noncash or Part Noncash Divestiture, Amount of Consideration Received View
Nonoperating Income (Expense) View
Notes Payable to Bank, Current View
Number of Reportable Segments View
Oil and Gas Property, Successful Effort Method, Accumulated Depreciation, Depletion and Amortization View
Oil and Gas Property, Successful Effort Method, Gross View
Oil and Gas Property, Successful Effort Method, Net View
Oil and Gas Revenue (Deprecated 2018-01-31) View
Operating Income (Loss) View
Operating Leases, Future Minimum Payments Due, Next Twelve Months View
Operating Leases, Future Minimum Payments, Due in Five Years View
Other Adjustments for Noncash Items Included in Income (Loss) from Continuing Operations (Deprecated 2009-01-31) View
Other Assets, Noncurrent 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 Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Tax (Deprecated 2013-01-31) 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, Gain (Loss) Arising During Period, after Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax 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, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax 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 2013-01-31) 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, Net of Tax View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax View
Other Comprehensive Income (Loss), Net of Tax View
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent View
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax View
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax (Deprecated 2013-01-31) View
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized in Net Periodic Benefit Cost, Tax (Deprecated 2013-01-31) 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), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized in Net Periodic Benefit Cost, Net of Tax (Deprecated 2013-01-31) View
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax (Deprecated 2013-01-31) View
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized in Net Periodic Benefit Cost, Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax View
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax View
Other Liabilities, Current View
Other Liabilities, Noncurrent View
Other Noncash Income (Expense) View
Other Nonoperating Expense View
Other Nonoperating Income View
Other Operating Income View
Other Operating Income (Expense), Net View
Other Revenue, Net (Deprecated 2018-01-31) View
Payments for (Proceeds from) Other Investing Activities View
Payments for (Proceeds from) Productive Assets View
Payments for Repurchase of Common Stock View
Payments of Debt Issuance Costs View
Payments of Ordinary Dividends, Common Stock View
Payment, Tax Withholding, Share-based Payment Arrangement View
Payments to Acquire Businesses, Net of Cash Acquired View
Payments to Acquire Property, Plant, and Equipment View
Payments to Acquire Short-term Investments View
Liability, Defined Benefit Plan, Noncurrent View
Pension and Other Postretirement Defined Benefit Plans, Noncurrent Liabilities (Deprecated 2009-01-31) View
Preferred Stock, Par or Stated Value Per Share View
Preferred Stock, Shares Authorized View
Preferred Stock, Value, Issued View
Prepaid Expense, Current View
Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, after Year Five View
Prescription Drug Subsidy Receipts, Five Fiscal Years Thereafter (Deprecated 2012-01-31) View
Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year One View
Prescription Drug Subsidy Receipts, Year Five (Deprecated 2012-01-31) View
Proceeds from Issuance of Long-term Debt View
Proceeds from (Payments for) Other Financing Activities View
Proceeds from (Repayments of) Lines of Credit View
Proceeds from (Repayments of) Short-term Debt View
Proceeds from (Repurchase of) Equity View
Proceeds from Sale of Productive Assets View
Proceeds from Sale of Short-term Investments View
Property, Plant and Equipment, Gross, Period Increase (Decrease) View
Property, Plant and Equipment, Net View
Property, Plant and Equipment, Other, Gross View
Property, Plant and Equipment, Other, Net View
Proved Developed and Undeveloped Reserves, Extensions, Discoveries, and Additions View
Proved Developed and Undeveloped Reserves, Net View
Proved Developed and Undeveloped Reserves, Production 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 (BOE) (Deprecated 2013-01-31) View
Proved Developed Reserves (Energy) View
Proved Oil and Gas Property, Successful Effort Method View
Proved Undeveloped Reserve (BOE) (Deprecated 2013-01-31) View
Proved Undeveloped Reserves (Energy) View
Accounts Receivable, Credit Loss Expense (Reversal) View
Provision for Loan, Lease, and Other Losses View
Public Utilities, Property, Plant and Equipment, Accumulated Depreciation View
Public Utilities, Property, Plant and Equipment, Net View
Public Utilities, Property, Plant and Equipment, Plant in Service View
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax View
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax View
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent View
Reclassification from AOCI, Current Period, Tax View
Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves View
Regulatory Assets, Current View
Regulatory Assets, Noncurrent View
Regulatory Liability, Current View
Regulatory Liability, Noncurrent View
Repayments of Lines of Credit View
Repayments of Long-term Debt View
Results of Operations, Accretion of Asset Retirement Obligations View
Results of Operations, Depreciation, Depletion and Amortization, and Valuation Provisions View
Results of Operations, Exploration Expense 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
Retained Earnings (Accumulated Deficit) View
Revenue from Contract with Customer, Excluding Assessed Tax View
Revenues View
Revisions of Previous Quantity Estimates View
Sales and Transfers of Oil and Gas Produced, Net of Production Costs View
Revenue, Net (Deprecated 2018-01-31) View
Share-based Payment Arrangement, Noncash Expense View
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) View
Short-term Debt View
Short-term Investments 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
Stockholders' Equity Attributable to Parent View
Stock Issued View
Stock Issued During Period, Value, Employee Benefit Plan View
Stock Issued During Period, Value, Employee Stock Purchase Plan 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, Value View
Taxes, Miscellaneous View
Taxes Other than Income, Excise, Production and Property Taxes (Deprecated 2009-01-31) View
Treasury Stock, Number of Shares Held (Deprecated 2016-01-31) View
Treasury Stock, Shares View
Treasury Stock, Shares, Acquired 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 Current Period Tax Positions 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 and Interest Accrued View
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense View
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions View
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions View
Unrecognized Tax Benefits, Increase Resulting from Settlements with Taxing Authorities 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
Utilities Operating Expense, Gas and Petroleum Purchased View
Utilities Operating Expense, Maintenance and Operations 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
Weighted Average Number of Shares Outstanding, Diluted View
Weighted Average Number of Shares Outstanding, Basic View
Wells in Process of Drilling View
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax 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 Costs View
Comprehensive Income (Loss), Net of Tax, Attributable to Parent View
Debt Issuance Cost (Deprecated 2016-01-31) View
Debt Related Commitment Fees and Debt Issuance Costs View
Decrease Due to Sales of Minerals in Place View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation View
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Assets Transferred into (out of) Level 3 View
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) View
Depreciation, Depletion and Amortization View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2014-01-31) View
Disposal Group, Including Discontinued Operation, Accrued Income Tax Payable, Current View
Disposal Group, Including Discontinued Operation, Cash View
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents View
Disposal Group, Including Discontinued Operation, Inventory (Deprecated 2014-01-31) View
Disposal Group, Including Discontinued Operation, Operating Income (Loss) View
Disposal Group, Including Discontinued Operation, Other Assets, Current View
Disposal Group, Including Discontinued Operation, Other Liabilities, Current View
Disposal Group, Including Discontinued Operation, Other Liabilities View
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent View
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent View
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Current View
Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Net (Deprecated 2014-01-31) View
Disposal Group, Including Discontinued Operation, Revenue View
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest View
Increase (Decrease) in Due from Affiliates, Current View
Changes in Estimated Future Development Costs View
Increase (Decrease) in Obligation, Pension Benefits View
Increase Due to Purchases of Minerals in Place View
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage View
Net Cash Provided by (Used in) Investing Activities 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 Years View
Operating Leases, Future Minimum Payments, Due Thereafter View
Operating Leases, Rent Expense, Net View
Other Additional Capital View
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), Reclassification Adjustment from AOCI, after Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), Reclassification Adjustment from AOCI, Tax View
Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year Five View
Prescription Drug Subsidy Receipts, Year Four (Deprecated 2012-01-31) View
Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year Four View
Prescription Drug Subsidy Receipts, Year One (Deprecated 2012-01-31) View
Prescription Drug Subsidy Receipts, Year Three (Deprecated 2012-01-31) View
Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year Three View
Prescription Drug Subsidy Receipts, Year Two (Deprecated 2012-01-31) View
Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year Two View
Previously Estimated Development Costs Incurred View
Previously Estimated Development Costs Incurred During Period (Deprecated 2015-01-31) View
Proceeds from Issuance of Common Stock View
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease) View
Treasury Stock, Value View