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Company Name: GRAN TIERRA ENERGY INC.

CIK: 1273441

Phone: None

Fiscal Year End: None

Entity Type:

SIC: -

Category Type:

Entity Name: None

First Filing Date: 2010-08-06

Last Filing Date: 2025-05-02

SEC Filings

Start	End	Frame	Filed	ACCN	Value	View

2020-01-01	2020-03-31	CY2019Q1	2020-05-11	0001273441-20-000012	$ 366,981,556	View
2015-01-01	2015-03-31	CY2014Q1	2015-05-07	0001273441-15-000021	$ 286,194,315	View
2018-01-01	2018-03-31	CY2017Q1	2018-05-02	0001273441-18-000018	$ 391,294,042	View
2013-01-01	2013-03-31	CY2012Q1	2013-05-06	0001273441-13-000023	$ 282,138,525	View
2012-01-01	2012-12-31	CY2010	2013-02-26	0001273441-13-000012	$ 280,741,255	View
2019-04-01	2019-06-30	CY2018Q2	2019-08-08	0001273441-19-000022	$ 379,942,355	View
2023-01-01	2023-09-30	CY2023Q3I	2023-11-01	0001273441-23-000027	$ 48,125,000	View
2018-07-01	2018-09-30	CY2017Q3	2018-11-01	0001273441-18-000038	$ 391,209,589	View
2018-01-01	2018-12-31	CY2016	2019-04-16	0001144204-19-019750	$ 390,930,453	View
2020-04-01	2020-06-30	CY2019Q2	2020-08-05	0001273441-20-000029	$ 366,981,556	View
2020-07-01	2020-09-30	CY2019Q3	2020-11-03	0001273441-20-000034	$ 366,981,556	View
2020-01-01	2020-12-31	CY2019Q4I	2021-02-25	0001273441-21-000007	$ 366,981,556	View
2011-04-01	2011-06-30	CY2010Q2	2011-08-09	0001140361-11-040401	$ 277,297,728	View
2011-01-01	2011-12-31	CY2009	2012-02-27	0001140361-12-010944	$ 273,491,564	View
2013-04-01	2013-06-30	CY2012Q2	2013-08-07	0001273441-13-000034	$ 282,822,383	View
2013-01-01	2013-12-31	CY2011	2014-02-26	0001273441-14-000008	$ 282,808,497	View
2014-01-01	2014-12-31	CY2012	2015-03-02	0001273441-15-000011	$ 284,715,785	View
2023-01-01	2023-05-05	CY2023Q2I	2023-08-01	0001273441-23-000019	$ 0	View
2015-01-01	2015-12-31	CY2015	2016-02-29	0001273441-16-000052	$ 285,333,869	View
2019-01-01	2019-03-31	CY2018Q1	2019-05-07	0001273441-19-000016	$ 386,930,323	View
2018-04-01	2018-06-30	CY2017Q2	2018-08-02	0001273441-18-000028	$ 391,054,204	View
2019-01-01	2019-12-31	CY2018	2020-02-27	0001273441-20-000007	$ 376,495,306	View
2019-07-01	2019-09-30	CY2018Q3	2019-11-06	0001273441-19-000034	$ 372,195,176	View
2021-01-01	2021-03-31	CY2020Q1	2021-05-05	0001273441-21-000018	$ 366,981,556	View
2016-07-01	2016-09-30	CY2016Q3	2016-11-07	0001273441-16-000088	$ 321,725,379	View
2016-01-01	2016-12-31	CY2014	2017-03-01	0001273441-17-000011	$ 320,851,538	View
2017-01-01	2017-03-31	CY2017Q1	2017-05-03	0001273441-17-000024	$ 399,007,086	View
2017-01-01	2017-12-31	CY2017	2018-02-27	0001273441-18-000010	$ 396,683,593	View
2016-01-01	2016-03-31	CY2016Q1	2016-05-04	0001273441-16-000070	$ 293,812,226	View
2017-04-01	2017-06-30	CY2016Q2	2017-08-04	0001273441-17-000033	$ 398,585,290	View
2017-07-01	2017-09-30	CY2016Q3	2017-11-02	0001273441-17-000048	$ 394,771,194	View
2018-01-01	2018-12-31	None	2019-02-27	0001273441-19-000008	$ 390,930,453	View
2021-01-01	2021-12-31	CY2020	2023-02-22	0001273441-23-000005	$ 228,000	View
2010-04-01	2010-06-30	CY2009Q2	2010-08-06	0001144204-10-041703	$ 254,344,474	View
2010-07-01	2010-09-30	CY2009Q3	2010-11-05	0001144204-10-057761	$ 254,951,642	View
2010-01-01	2010-12-31	CY2008	2011-02-25	0001144204-11-010891	$ 253,697,076	View
2011-01-01	2011-03-31	CY2010Q1	2011-05-10	0001144204-11-027370	$ 260,930,753	View
2012-01-01	2012-03-31	CY2011Q1	2012-05-07	0001140361-12-023165	$ 278,734,280	View
2012-04-01	2012-06-30	CY2011Q2	2012-08-07	0001445305-12-002481	$ 280,714,786	View
2012-07-01	2012-09-30	CY2011Q3	2012-11-07	0001273441-12-000010	$ 281,695,212	View
2013-07-01	2013-09-30	CY2012Q3	2013-11-12	0001273441-13-000045	$ 283,092,224	View
2014-01-01	2014-03-31	CY2013Q1	2014-05-07	0001273441-14-000018	$ 283,235,202	View
2014-04-01	2014-06-30	CY2013Q2	2014-08-07	0001273441-14-000026	$ 283,773,204	View
2016-04-01	2016-06-30	CY2016Q2	2016-08-08	0001273441-16-000078	$ 296,565,530	View
2011-07-01	2011-09-30	CY2010Q3	2011-11-08	0001140361-11-052127	$ 277,608,572	View
2014-07-01	2014-09-30	CY2013Q3	2014-11-06	0001273441-14-000036	$ 285,576,898	View
2021-04-01	2021-06-30	CY2020Q2	2021-08-04	0001273441-21-000022	$ 366,982,456	View
2021-07-01	2021-09-30	None	2021-11-02	0001273441-21-000031	$ 366,992,802	View
2021-07-01	2021-09-30	CY2020Q3	2021-11-03	0001273441-21-000035	$ 366,992,802	View
2015-04-01	2015-06-30	CY2015Q2	2015-08-05	0001273441-15-000030	$ 286,393,772	View
2015-07-01	2015-09-30	CY2015Q3	2015-11-04	0001273441-15-000040	$ 285,592,382	View
2021-01-01	2021-12-31	CY2019	2022-02-23	0001273441-22-000007	$ 1,355,000	View
2022-01-01	2022-03-31	CY2022Q1I	2022-05-04	0001273441-22-000015	$ 627,386,000	View
2022-04-01	2022-06-30	CY2022Q2I	2022-08-08	0001273441-22-000022	$ 595,861,000	View
2022-01-01	2022-09-30	CY2021Q3	2022-11-02	0001273441-22-000034	$ 14,365,000	View
2023-01-01	2023-03-31	CY2023Q1I	2023-05-03	0001273441-23-000012	$ 38,035,000	View
2024-01-01	2024-03-31	CY2024Q1	2024-05-02	0001273441-24-000013	$ 36,364,000	View
2024-01-01	2024-06-30	CY2024Q2I	2024-07-31	0001273441-24-000023	$ 36,364,000	View
2024-01-01	2023-12-31	CY2023Q4I	2024-11-04	0001273441-24-000036	$ 28,612	View
2025-01-01	2025-03-31	CY2025Q1	2025-05-02	0001273441-25-000011	$ 24,828,000	View
2023-01-01	2023-12-31	CY2020Q4I	2024-02-20	0001273441-24-000006	$ 1,369,037,000	View
2024-01-01	2024-12-31	CY2024	2025-02-24	0001273441-25-000002	$ 143,563,000	View

SEC Facts By Type

Type	Name	Description	View

us-gaap	Other Nonoperating Income (Expense)	Amount of income (expense) related to nonoperating activities, classified as other.	View
us-gaap	Other Nonrecurring Expense	Amount of other expense that is infrequent in occurrence or unusual in nature.	View
us-gaap	Other Nonrecurring Income	Amount of other income that is infrequent in occurrence or unusual in nature.	View
us-gaap	Accrued Salaries, Current	Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	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	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	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	Available-for-sale Securities, Gross Realized Gain (Loss)	This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.	View
us-gaap	Business Acquisition, Cost of Acquired Entity, Purchase Price (Deprecated 2013-01-31)	The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.	View
us-gaap	Business Acquisition, Transaction Costs	Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.	View
us-gaap	Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	Number of shares of equity interests issued or issuable to acquire entity.	View
us-gaap	Business Acquisition, Pro Forma Earnings Per Share, Basic	The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.	View
us-gaap	Business Acquisition, Pro Forma Earnings Per Share, Diluted	The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.	View
us-gaap	Cash	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. Excludes cash and cash equivalents within disposal group and discontinued operation.	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	Convertible Debt, Fair Value Disclosures	Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.	View
us-gaap	Convertible Notes Payable, Noncurrent	Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Convertible Notes Payable, excluding current portion. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder.	View
us-gaap	Costs and Expenses	Total costs of sales and operating expenses for the period.	View
us-gaap	Deferred Tax Assets, Tax Credit Carryforwards, Foreign	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.	View
us-gaap	Deferred Taxes, Business Combination, Valuation Allowance, Available to Reduce Income Tax Expense	The amount of the valuation allowance recorded in a business combination against deductible temporary differences for which related tax benefits will be recorded as a reduction of the acquired entity's income tax expense (after such benefits are first being applied to reduce goodwill and then other noncurrent intangible assets to zero).	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, Investment in Noncontrolled Affiliates	Amount of deferred tax liability attributable to taxable temporary differences from investments in unconsolidated subsidiaries and investments in other affiliates which are not controlled nor consolidated.	View
us-gaap	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	Discontinued Operation, Tax Effect of Income (Loss) from Discontinued Operation During Phase-out Period	Amount of tax expense (benefit) attributable to income (loss) from operations classified as a discontinued operation. Excludes tax expense (benefit) for gain (loss) on disposal and for provision for gain (loss) until disposal.	View
us-gaap	Discontinued Operation, Tax Effect of Other Income (Loss) from Disposition of Discontinued Operation (Deprecated 2015-01-31)	Tax expense or benefit on other income (loss) amounts relating to a disposal group that is classified as a component of the entity, exclusive of the following elsewhere enumerated categories: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.	View
us-gaap	Exploration Abandonment and Impairment Expense	The adjustment to expense previously capitalized costs of drilling exploratory wells when proved reserves are not found or when the entity obtains information that raises substantial doubt about the economic or operational viability of the project.	View
us-gaap	Gain on Purchase of Business (Deprecated 2013-01-31)	Amount of the excess of the fair value of acquired net assets over the cost of an acquired business after pro rata reduction of the amounts that otherwise would have been assigned to acquired assets except financial assets other than investments accounted for by the equity method, assets to be disposed of by sale, deferred tax assets, prepaid assets relating to pension and postretirement benefit plans, and other current assets. This amount is considered an extraordinary item and often referred to as negative goodwill. This element is gross of the related tax effect.	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	Held-to-maturity Securities, Unrecognized Holding Gain (Deprecated 2013-01-31)	As of the balance sheet date, the excess of fair value over carrying value (amortized cost) of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding gain.	View
us-gaap	Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.	View
us-gaap	Income Taxes Paid, Net	The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.	View
us-gaap	Income Taxes Receivable, Current	Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.	View
us-gaap	Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and 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	Interest Paid, Including Capitalized Interest, Operating and Investing Activities	Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.	View
us-gaap	Interest Paid, Excluding Capitalized Interest, Operating Activities	Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.	View
us-gaap	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	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 Expense	Amount of expense or loss included in net income that result in no cash flow, classified as other.	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	Payments to Acquire Oil and Gas Property and Equipment	The cash outflow to purchase long lived physical asset for use in the normal oil and gas operations and to purchase mineral interests in oil and gas properties not intended for resale.	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	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	Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization	Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.	View
us-gaap	Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization	Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.	View
us-gaap	Property, Plant and Equipment, Gross	Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.	View
us-gaap	Severance Costs	Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term, Minimum (Deprecated 2012-01-31)	The minimum period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum	The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum	The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	The risk-free interest rate assumption that is used in valuing an option on its own shares.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum	The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum	The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate	Rate of weighted-average expected volatility for award under share-based payment arrangement.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	Number of shares authorized for issuance under share-based payment arrangement.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price	Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price	Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value (Deprecated 2013-01-31)	Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	Weighted average price at which option holders acquired shares when converting their stock options into shares.	View
us-gaap	Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable	The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.	View
us-gaap	Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding	The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.	View
us-gaap	Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price	Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.	View
us-gaap	Tax Benefit from Stock Options Exercised (Deprecated 2012-01-31)	Reductions in the entity's income taxes that arise when compensation cost (from non-qualified stock options) recognized on the entity's tax return exceeds compensation cost from non-qualified stock options recognized on the income statement. This element increases net cash provided by operating activities.	View
us-gaap	Tax Credit Carryforward, Amount	The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.	View
us-gaap	Tax Credit Carryforward, Deferred Tax Asset (Deprecated 2015-01-31)	Amount of deferred tax asset, before valuation allowance, attributable to deductible other tax carryforwards.	View
us-gaap	Taxes Payable, Current	Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Unrealized Gain (Loss) on Derivatives	The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.	View
us-gaap	Unrealized Gain (Loss) on Derivatives and Commodity Contracts	The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open derivatives, commodity, or energy contracts, held at each balance sheet date, that was included in earnings for the period.	View
us-gaap	Unrecognized Tax Benefits	Amount of unrecognized tax benefits.	View
us-gaap	Value Added Tax Receivable, Current	Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.	View
us-gaap	Line of Credit, Current	The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.	View
us-gaap	Loss on Sale of Investments	The difference between the carrying value and the sale price of an investment. A loss would be recognized when the sale price of the investment is less than the carrying value of the investment. This element refers to the Loss included in earnings and not to the cash proceeds of the sale.	View
us-gaap	Accrued Income Taxes, Noncurrent	Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.	View
us-gaap	Gain (Loss) on Extinguishment of Debt	Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.	View
us-gaap	Repayments of Senior Debt	The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.	View
us-gaap	Treasury Stock, Common, Value	Amount allocated to previously issued common shares repurchased by the issuing entity and held in treasury.	View
us-gaap	Stockholders' Equity Note, Stock Split, Conversion Ratio	Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.	View
us-gaap	Accounts Payable and Other Accrued Liabilities, Current	Amount of liabilities incurred to vendors for goods and services received, and accrued liabilities classified as other, payable within one year or the normal operating cycle, if longer.	View
us-gaap	Accrued Insurance, Current	Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accumulated Other Comprehensive Income (Loss), Net of Tax	Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.	View
us-gaap	Asset Retirement Obligation, Foreign Currency Translation Gain (Loss)	Amount of foreign currency translation gain (loss) which decreases (increases) asset retirement obligations.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. 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.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables	Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable	Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.	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	Number of Operating Segments	Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.	View
us-gaap	Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.	View
us-gaap	4263811	None	View
us-gaap	Stock Issued During Period, Shares, Acquisitions	Number of shares of stock issued during the period pursuant to acquisitions.	View
us-gaap	Other Comprehensive Income (Loss), Net of Tax	Amount after tax and reclassification adjustments of other comprehensive income (loss).	View
us-gaap	Repayments of Long-term Lines of Credit	The cash outflow for the settlement of obligation drawn 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 maturities due beyond one year or the operating cycle, if longer.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows	Amount of discount on future accumulated cash inflow, after deducting future accumulated cash outflow for development and production costs and future income tax, from sale of proved oil and gas reserves, using a discount rate of ten percent a year.	View
srt	Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in the estimated future income tax on future pretax net cash flows related to the entity's proved oil and gas reserves.	View
srt	Increase Due to Purchases of Minerals in Place	Amount of increase in standardized measure of discounted future net cash flow as a result of purchases of minerals in place.	View
us-gaap	Other Assets, Current	Amount of current assets classified as other.	View
us-gaap	Other Assets, Noncurrent	Amount of noncurrent assets classified as other.	View
dei	Entity Common Stock, Shares Outstanding	Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.	View
dei	Entity Public Float	The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.	View
invest	Derivative, Notional Amount	Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.	View
us-gaap	Accounts Payable and Accrued Liabilities, Current	Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.	View
us-gaap	Accounts Payable and Accrued Liabilities	Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.	View
us-gaap	Accounts Payable, Current	Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accounts Payable, Other, Current	Amount of obligations incurred classified as other, payable within one year or the normal operating cycle, if longer.	View
us-gaap	Accounts Payable, Trade, Current	Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accounts Payable, Trade	Carrying value as of the balance sheet date of obligations 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	Accounts Receivable, before Allowance for Credit Loss, Current	Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.	View
us-gaap	Accounts Receivable, after Allowance for Credit Loss, Current	Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.	View
us-gaap	Accrued Income Taxes, Current	Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.	View
us-gaap	Accrued Liabilities, Current	Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accrued Professional Fees, Current	Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accrued 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	Accrued Royalties	Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties.	View
us-gaap	Accumulated Amortization of Debt Issuance Costs, Line of Credit Arrangements	Amount of accumulated amortization of debt issuance costs related to line of credit arrangements.	View
us-gaap	Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.	View
us-gaap	Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities	The sum of adjustments which are added to or deducted from net income or loss, including the portion attributable to noncontrolling interest, to reflect cash provided by or used in operating activities, in accordance with the indirect cash flow method.	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	Amount of allowance for credit loss on accounts receivable.	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	Asset Retirement Obligation, Accretion Expense	Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.	View
us-gaap	Asset Retirement Obligation, Cash Paid to Settle	Amount of cash paid during the period to settle an asset retirement obligation. Amounts paid to settle an asset retirement obligation are generally included in the operating section of the Statement of Cash Flows.	View
us-gaap	Asset Retirement Obligation, Current	Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.	View
us-gaap	Asset Retirement Obligation, Foreign Currency Translation (Deprecated 2016-01-31)	Amount of the Increase or Decrease in the amount of asset retirement obligations for the period associated with foreign currency translation (to the extent that the entity accounts for the foreign currency effects as a separate component of the change in the liability).	View
us-gaap	Asset Retirement Obligation, Legally Restricted Assets, Fair Value	Carrying amount of an asset that is legally restricted for purposes of settling an asset retirement obligation.	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	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	Assets, Fair Value Disclosure	Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.	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	Business Acquisition, Purchase Price Allocation, Notes Payable and Long-term Debt (Deprecated 2013-01-31)	The amount of acquisition cost of a business combination allocated to notes payables and long-term debt assumed from the acquired entity.	View
us-gaap	Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets (Deprecated 2013-01-31)	Amount of acquisition cost of a business combination allocated to other noncurrent assets not separately disclosed.	View
us-gaap	Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities (Deprecated 2013-01-31)	Amount of acquisition cost of a business combination allocated to other noncurrent liabilities not separately disclosed.	View
us-gaap	Business Acquisition, Pro Forma Net Income (Loss)	The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.	View
us-gaap	Business Acquisition, Pro Forma Revenue	The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.	View
us-gaap	Business Combination, Acquisition Related Costs	This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.	View
us-gaap	Business Combination, Bargain Purchase, Gain Recognized, Amount	In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.	View
us-gaap	Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.	View
us-gaap	Business Combination, Contingent Consideration, Liability, Current	Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.	View
us-gaap	Business Combination, Integration Related Costs	Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.	View
us-gaap	Capitalized Costs of Unproved Properties Excluded from Amortization, Period Cost	The sum of the capitalized costs incurred during the period of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs.	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, 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	Cash Acquired from Acquisition	The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).	View
us-gaap	Cash and Cash Equivalents, Period Increase (Decrease)	Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.	View
us-gaap	Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Cash 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	Class of Warrant or Right, Number of Securities Called by Warrants or Rights	Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.	View
us-gaap	Common Stock, Par or Stated Value Per Share	Face amount or stated value per share of common stock.	View
us-gaap	Common Stock, Shares Authorized	The maximum number of common shares permitted to be issued by an entity's charter and bylaws.	View
us-gaap	Common Stock, Shares, Issued	Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.	View
us-gaap	Common Stock, Shares, Outstanding	Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.	View
us-gaap	Common Stock, Value, Issued	Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.	View
us-gaap	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.	View
us-gaap	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	Convertible Debt	Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.	View
us-gaap	Energy Related Inventory, Crude Oil and Natural Gas Liquids	The aggregate carrying amount as of the balance sheet date of unrefined petroleum and the liquid hydrocarbon components recovered from natural gas.	View
us-gaap	Current Federal Tax Expense (Benefit)	Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Current Foreign Tax Expense (Benefit)	Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Current Income Tax Expense (Benefit)	Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.	View
us-gaap	Debt Securities, Available-for-sale, Realized Gain	Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).	View
us-gaap	Debt Securities, Available-for-sale, Realized Gain (Loss)	Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).	View
us-gaap	Debt Securities, Available-for-sale, Unrealized Gain (Loss)	Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).	View
us-gaap	Deferred Federal Income Tax Expense (Benefit)	Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Debt Issuance Costs, Net	Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.	View
us-gaap	Deferred Foreign Income Tax Expense (Benefit)	Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Deferred Income Tax Assets, Net	Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.	View
us-gaap	Deferred Income Tax Expense (Benefit)	Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Deferred Income Taxes and Tax Credits	Amount of deferred income tax expense (benefit) and income tax credits.	View
us-gaap	Deferred Tax Liabilities, Gross	Amount of deferred tax liability attributable to taxable temporary differences.	View
us-gaap	Deferred Income Tax Liabilities, Net	Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.	View
us-gaap	Deferred Tax Assets, Capital Loss Carryforwards	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.	View
us-gaap	Deferred Tax Assets, Gross	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.	View
us-gaap	Deferred Tax Assets, 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 of Valuation Allowance	Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.	View
us-gaap	Deferred Tax Assets, Net of Valuation Allowance, Current	Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current.	View
us-gaap	Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent.	View
us-gaap	Deferred Tax Assets, Operating Loss Carryforwards	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.	View
us-gaap	Deferred Tax Assets, Operating Loss Carryforwards, Foreign	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.	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	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	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	Depreciation, Depletion and Amortization	The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.	View
us-gaap	Derivative Asset	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, Cash Received on Hedge	The amount of cash received during the period on settlement of a hedge.	View
us-gaap	Derivative, Cost of Hedge	The premium (cost) of a hedge, expensed during the period.	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, 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 in Hedges, Assets, at Fair Value	Aggregate fair value of all derivative assets designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.	View
us-gaap	Derivative Instruments in Hedges, Liabilities, at Fair Value	Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.	View
us-gaap	Derivative Liability, Current	Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.	View
us-gaap	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	Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.	View
us-gaap	Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax	Amount before tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until its 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	Equity Securities, FV-NI, Unrealized Gain (Loss)	Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).	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	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, Other Assets	Amount classified as other assets attributable to disposal group held for sale or disposed of.	View
us-gaap	Disposal Group, Including Discontinued Operation, 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	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, Basic and Diluted	The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or 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	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 of Exchange Rate on Cash and Cash Equivalents	Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.	View
us-gaap	Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Employee-related Liabilities	Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.	View
us-gaap	Share-based Payment Arrangement, Amount Capitalized	Amount of cost capitalized for award under share-based payment arrangement.	View
us-gaap	Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options (Deprecated 2017-01-31)	Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.	View
us-gaap	Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	Amount of cost not yet recognized for nonvested award under share-based payment arrangement.	View
us-gaap	Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (Deprecated 2012-01-31)	The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3	Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.	View
us-gaap	Finance Lease, Liability	Present value of lessee's discounted obligation for lease payments from finance lease.	View
us-gaap	Finance Lease, Liability, Current	Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.	View
us-gaap	Finance Lease, Liability, Payment, Due	Amount of lessee's undiscounted obligation for lease payments for finance lease.	View
us-gaap	Finance Lease, Liability, to be Paid, after Year Five	Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Finance Lease, Liability, to be Paid, Year One	Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Finance Lease, Liability, to be Paid, Year Five	Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Finance Lease, Liability, to be Paid, Year Four	Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Finance Lease, Liability, to be Paid, Year Three	Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Finance Lease, Liability, to be Paid, Year Two	Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Finance Lease, Principal Payments	Amount of cash outflow for principal payment on finance lease.	View
us-gaap	Finance Lease, Right-of-Use Asset, Amortization	Amount of amortization expense attributable to right-of-use asset from finance lease.	View
us-gaap	Foreign Currency Contract, Asset, Fair Value Disclosure	Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.	View
us-gaap	Foreign Currency Contracts, Liability, Fair Value Disclosure	Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.	View
us-gaap	Foreign Currency Transaction Gain (Loss), before Tax	Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.	View
us-gaap	Foreign Currency Transaction Gain (Loss), Unrealized	Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.	View
us-gaap	Foreign Earnings Repatriated	Amount of foreign earnings repatriated from subsidiaries outside the country of domicile.	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	Gain (Loss) on Investments	Amount of realized and unrealized gain (loss) on investment.	View
us-gaap	Gain (Loss) on Repurchase of Debt Instrument	Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.	View
us-gaap	Gain (Loss) on Disposition of Business	Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.	View
us-gaap	Gain (Loss) on Sale of Derivatives	The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.	View
us-gaap	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	Goodwill	Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.	View
us-gaap	Goodwill, Impairment Loss	Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.	View
us-gaap	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 Income Taxes, Domestic	The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.	View
us-gaap	Income (Loss) from Continuing Operations before Income Taxes, Foreign	The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.	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, Per Basic and Diluted Share	The amount of net income (loss) from continuing operations per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares.	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 and Diluted Share	Per basic and 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, when the per share amount is the same.	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 Credits and Adjustments	A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions.	View
us-gaap	Income Tax Effects Allocated Directly to Equity	The sum of the tax effects of all items occurring during the period that have been charged or credited directly to other comprehensive income or to related components of shareholders' equity.	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 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	Income Taxes Receivable	Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.	View
us-gaap	Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.	View
us-gaap	Effective Income Tax Rate Reconciliation, 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, Extraterritorial Income Exclusion, 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 deduction for extraterritorial income exclusion.	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, Disposition of Business, 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 the disposition of a business not qualifying as a discontinued operation.	View
us-gaap	Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).	View
us-gaap	Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible depreciation.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible impairment loss.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, 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 nondeductible expenses.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.	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, Tax Credit, Foreign, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit.	View
us-gaap	Increase (Decrease) in Accounts and Other Receivables	The increase (decrease) during the reporting period in the amount due from customers for the credit sale of goods and services; includes accounts receivable and other types of receivables.	View
us-gaap	Increase (Decrease) in Accounts Payable and Accrued Liabilities	The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.	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 Asset Retirement Obligations	The increase (decrease) during the reporting period in the carrying amount of asset retirement obligations.	View
us-gaap	Increase (Decrease) in Derivative Assets and Liabilities	The increase (decrease) during the period in the net carrying value of derivative instruments reported as assets and liabilities that are due to be disposed of within one year (or the normal operating cycle, if longer).	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 Operating Capital	The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.	View
us-gaap	Increase (Decrease) in Prepaid Expense	The increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods.	View
us-gaap	Increase (Decrease) in Prepaid Expenses, Other	Amount of increase (decrease) of consideration paid in advance for other costs that provide economic benefits in future periods.	View
us-gaap	Increase (Decrease) in Receivables	The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities.	View
us-gaap	Increase (Decrease) in Restricted Cash	The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.	View
us-gaap	Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method.	View
us-gaap	Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.	View
us-gaap	Interest-bearing Deposits in Banks and Other Financial Institutions	For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.	View
us-gaap	Interest Expense	Amount of the cost of borrowed funds accounted for as interest expense.	View
us-gaap	Interest Expense, Debt	Amount of the cost of borrowed funds accounted for as interest expense for debt.	View
us-gaap	Interest Expense, Debt, Excluding Amortization	Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.	View
us-gaap	Interest Income, Operating	Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.	View
us-gaap	Other Liabilities, Current	Amount of liabilities classified as other, due 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 Write-down	Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.	View
us-gaap	Investments, Fair Value Disclosure	Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.	View
us-gaap	Operating Leases, Rent Expense	Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.	View
us-gaap	Lease, Cost	Amount of lease cost recognized by lessee for lease contract.	View
us-gaap	Lessee, Operating Lease, Liability, to be Paid	Amount of lessee's undiscounted obligation for lease payment for operating lease.	View
us-gaap	Lessee, Operating Lease, Liability, to be Paid, after Year Five	Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Lessee, Operating Lease, Liability, to be Paid, Year One	Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Lessee, Operating Lease, Liability, to be Paid, Year Five	Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Lessee, Operating Lease, Liability, to be Paid, Year Four	Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Lessee, Operating Lease, Liability, to be Paid, Year Three	Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Lessee, Operating Lease, Liability, to be Paid, Year Two	Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Liabilities 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	Financial and Nonfinancial Liabilities, Fair Value Disclosure	Fair value of financial and nonfinancial obligations.	View
us-gaap	Liabilities, Noncurrent	Amount of obligation due after one year or beyond the normal operating cycle, if longer.	View
us-gaap	Disposal Group, Including Discontinued Operation, Liabilities	Amount classified as liabilities attributable to disposal group held for sale or disposed of.	View
us-gaap	Disposal Group, Including Discontinued Operation, Liabilities, Current	Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.	View
us-gaap	Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.	View
us-gaap	Liabilities, Other than Long-term Debt, Noncurrent	Aggregated carrying amounts of obligations as of the balance sheet date, excluding long-term debt, incurred as part of the normal operations that are expected to be paid after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Credits and Other Liabilities.	View
us-gaap	Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31)	Amount borrowed under the credit facility as of the balance sheet date.	View
us-gaap	Long-term Debt	Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.	View
us-gaap	Long-term Debt and Lease Obligation	Amount of long-term debt and lease obligation, classified as noncurrent.	View
us-gaap	Other Inventory, Supplies, Gross	Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer.	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	Loss Contingency, Damages Sought, Value	The value (monetary amount) of the award the plaintiff seeks in the legal matter.	View
us-gaap	Marketable Securities	Amount of investment in marketable security.	View
us-gaap	Marketable Securities, Current	Amount of investment in marketable security, classified as current.	View
us-gaap	Marketable Securities, Noncurrent	Amount of investment in marketable security, classified as noncurrent.	View
us-gaap	Marketable Securities, Unrealized Gain (Loss)	Amount of unrealized gain (loss) on investment in marketable security.	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) Investing Activities	Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.	View
us-gaap	Net Cash Provided by (Used in) Investing Activities, Continuing Operations	Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.	View
us-gaap	Net Cash Provided by (Used in) Operating Activities	Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.	View
us-gaap	Net Cash Provided by (Used in) Operating Activities, Continuing Operations	Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.	View
us-gaap	Net Income (Loss) Attributable to Parent	The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.	View
us-gaap	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	Notes Payable	Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.	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, Full Cost Method, Net	Oil and gas properties, net of depletion, carried under the full cost 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 Sales Revenue (Deprecated 2018-01-31)	Revenue from the sale of oil and gas during the period.	View
us-gaap	Operating Costs and Expenses	Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.	View
us-gaap	Operating Lease, Lease Income, Lease Payments	Amount of operating lease income from lease payments paid and payable to lessor. Excludes variable lease payments not included in measurement of lease receivable.	View
us-gaap	Operating Lease, Liability	Present value of lessee's discounted obligation for lease payments from operating lease.	View
us-gaap	Operating Lease, Payments	Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.	View
us-gaap	Operating Lease, Right-of-Use Asset	Amount of lessee's right to use underlying asset under operating lease.	View
us-gaap	Operating Loss Carryforwards	Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.	View
us-gaap	Other Accrued Liabilities, Current	Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.	View
us-gaap	Other Accrued Liabilities	Amount of expenses incurred but not yet paid classified as other.	View
us-gaap	Other Assets	Amount of assets classified as other.	View
us-gaap	Other Prepaid Expense, Current	Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.	View
us-gaap	Payments for (Proceeds from) Derivative Instrument, Investing Activities	The net cash outflow or inflow from derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.	View
us-gaap	Payments for (Proceeds from) Other Investing Activities	Amount of cash (inflow) outflow from investing activities classified as other.	View
us-gaap	Payments for Repurchase of Common Stock	The cash outflow to reacquire common stock during the period.	View
us-gaap	Payments 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 Oil and Gas Property	The cash outflow to purchase of mineral interests in oil and gas properties for use in the normal oil and gas operations and not intended for resale.	View
us-gaap	Payments to Acquire Trading Securities Held-for-investment	The cash outflow to acquire securities classified as trading securities and held for investment purposes. Excludes payments for trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time).	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	Prepaid Taxes	Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.	View
us-gaap	Proceeds from Convertible Debt	The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.	View
us-gaap	Proceeds from Debt, Net of Issuance Costs	The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.	View
us-gaap	Proceeds from Divestiture of Businesses	The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.	View
us-gaap	Proceeds from Divestiture of Businesses, Net of Cash Divested	This element represents the cash inflow during the period from the sale of a component of the entity.	View
us-gaap	Proceeds from Issuance of Common Stock	The cash inflow from the additional capital contribution to the entity.	View
us-gaap	Proceeds from Issuance of Senior Long-term Debt	The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).	View
us-gaap	Proceeds from (Payments for) Trading Securities, Short-term	Amount of cash inflow (outflow) from sales and purchases of trading securities.	View
us-gaap	Proceeds from Sale and Maturity of Marketable Securities	The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.	View
us-gaap	Proceeds from Sale of Equity Method Investments	The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.	View
us-gaap	Proceeds from Sale of Oil and Gas Property and Equipment	The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.	View
us-gaap	Proceeds from Sale of Debt and Equity Securities, FV-NI, Held-for-investment	The cash inflow associated with the sale of securities classified as trading securities and held for investment purposes. Excludes proceeds from trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time).	View
us-gaap	Proceeds from Stock Options Exercised	Amount of cash inflow from exercise of option under share-based payment arrangement.	View
us-gaap	Property, Plant and Equipment, Additions	Amount of acquisition 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 and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization	Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.	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, 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 Oil and Gas Property, Successful Effort Method	Oil and Gas properties with proved reserves under the successful effort method.	View
us-gaap	Related Party Transaction, Amounts of Transaction	Amount of transactions with related party during the financial reporting period.	View
us-gaap	Repayments of Bank Debt	The cash outflow to settle a bank borrowing during the year.	View
us-gaap	Repayments of Convertible Debt	The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.	View
us-gaap	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	Restricted Cash and Cash Equivalents, Current	Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Restricted Cash and Cash Equivalents, Noncurrent	Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Restructuring Reserve	Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.	View
us-gaap	Results of Operations, Depreciation, Depletion, Amortization and Accretion	Depreciation, depletion, amortization, and accretion related to oil and gas producing activities.	View
us-gaap	Results of Operations, 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, Impairment of Oil and Gas Properties	Costs related to the impairment of oil and gas properties	View
us-gaap	Retained Earnings (Accumulated Deficit)	The cumulative amount of the reporting entity's undistributed earnings or deficit.	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	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	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	Share-based Payment Arrangement, Noncash Expense	Amount of noncash expense for share-based payment arrangement.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Share-based Liabilities Paid	Amount of cash paid to settle liability for award under share-based payment arrangement.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31)	The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term, Maximum (Deprecated 2012-01-31)	The maximum period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (Deprecated 2012-01-31)	The weighted average price at which option holders acquired shares when converting their stock options into shares under the plan during the reporting period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period	Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	Weighted average price of options that were either forfeited or expired.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	Net number of share options (or share units) granted during the period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	Gross number of share options (or share units) granted during the period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (Deprecated 2012-01-31)	The weighted average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on stock options awarded under the plan during the reporting period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	Number of options outstanding, including both vested and non-vested options.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price	Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.	View
us-gaap	Share-based Compensation, 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	Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price	The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.	View
us-gaap	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31)	The weighted-average period remaining as of the balance sheet date until option expiration pertaining to the outstanding stock options for all option plans in the customized range of exercise prices, which may be expressed in a variety of ways (for example, years, months).	View
us-gaap	Short-term Bank Loans and Notes Payable	Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer.	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	Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.	View
us-gaap	Stock Issued During Period, Shares, Conversion of Convertible Securities	Number of shares issued during the period as a result of the conversion of convertible securities.	View
us-gaap	Stock Issued During Period, Shares, New Issues	Number of new stock issued during the period.	View
us-gaap	Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	Number of share options (or share units) exercised during the current period.	View
us-gaap	Stock Issued During Period, Value, Stock Options Exercised	Value of stock issued as a result of the exercise of stock options.	View
us-gaap	Stock Repurchased and Retired During Period, Shares	Number of shares that have been repurchased and retired during the period.	View
us-gaap	Stock Repurchase Program, Authorized Amount	Amount of stock repurchase plan authorized.	View
us-gaap	Tangible Asset Impairment Charges	The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.	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	Trading Activity, Gain	The net gain on trading activities (including both derivative and nonderivative instruments) recognized in the statement of financial performance.	View
us-gaap	Trading Activity, Loss	The loss on trading activities (including both derivative and nonderivative instruments) recognized in the statement of financial performance.	View
us-gaap	Trading Gain (Loss)	Amount of gain (loss) resulting from the difference between the acquisition price and the selling price or fair value of trading assets and trading liabilities, conducted separately from customer trading activities. Includes, but is not limited to, changes in fair value of trading assets and trading liabilities.	View
us-gaap	Debt Securities, Trading, and Equity Securities, FV-NI	Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).	View
us-gaap	Trading Securities, Equity	Fair value of investments in trading equity securities and other forms of trading securities that provide ownership interests.	View
us-gaap	Trading Securities, Change in Unrealized Holding Gain (Loss)	Amount of unrealized holding gain (loss) recognized in the income statement for investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading.	View
us-gaap	Treasury Stock Acquired, Average Cost Per Share	Total cost of shares repurchased divided by the total number of shares repurchased.	View
us-gaap	Underlying, Derivative Flow Rate	Specified interest rate, security price, commodity price, foreign exchange rate, index of prices or rates for a derivative contract measured in flow rate but not the derivative contract itself.	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 Investments	Amount of unrealized gain (loss) on investment.	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, 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	Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.	View
us-gaap	Value Added Tax Receivable	Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities.	View
us-gaap	Value Added Tax Receivable, Noncurrent	Carrying amount due after one year of the balance sheet date (or one operating cycle), if longer of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities.	View
us-gaap	Warrants and Rights Outstanding	Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.	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 and Diluted	Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).	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	Debt Issuance Costs, Current, Net	Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.	View
us-gaap	Debt Issuance Costs, Noncurrent, Net	Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.	View
us-gaap	Finance Lease, Liability, Noncurrent	Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.	View
us-gaap	Investments	Sum of the carrying amounts as of the balance sheet date of all investments.	View
us-gaap	Debt, Long-term and Short-term, Combined Amount	Represents the aggregate of total long-term debt, including current maturities and short-term debt.	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	Operating Lease, Cost	Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.	View
us-gaap	Other Operating Activities, Cash Flow Statement	Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities).	View
us-gaap	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	Proceeds from Issuance of Debt	The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.	View
us-gaap	Cost of Goods and Services Sold	The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.	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, 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	Debt Instrument, Unamortized Discount, Noncurrent	Amount of debt discount to be amortized after one year or the normal operating cycle, if longer.	View
us-gaap	Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other	Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other.	View
us-gaap	Lessee, Finance Lease, Discount Rate	Discount rate used by lessee to determine present value of finance lease payments.	View
us-gaap	Lessee, Operating Lease, Discount Rate	Discount rate used by lessee to determine present value of operating lease payments.	View
us-gaap	Oil and Gas Property, Full Cost Method, Depletion	Depletion of oil and gas property carried under the full cost method.	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, Sales Revenue to Unaffiliated Enterprises	Sales revenue to unaffiliated enterprises from oil and gas producing activities.	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	Debt, Current	Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.	View
us-gaap	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	Finance Lease, Weighted Average Discount Rate, Percent	Weighted average discount rate for finance lease calculated at point in time.	View
us-gaap	Operating Lease, Weighted Average Discount Rate, Percent	Weighted average discount rate for operating lease calculated at point in time.	View
us-gaap	Treasury Stock, Common, Shares	Number of previously issued common shares repurchased by the issuing entity and held in treasury.	View
srt	Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of extensions, discoveries and improved recovery of proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows	Amount of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs	Amount of estimated future accumulated cash outflow for costs to be incurred in developing proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense	Amount of estimated future accumulated cash outflow for income tax, based on the future income less future expense derived from production and sale of proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows	Amount, after future accumulated cash outflow for development and production costs and future income tax, of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs	Amount of estimated future accumulated cash outflow for costs to be incurred in producing proved oil and gas reserves.	View
srt	Changes in Estimated Future Development Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs.	View
srt	Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production.	View
srt	Previously Estimated Development Costs Incurred	Amount of increase in standardized measure of discounted future net cash flow as a result of previously estimated development costs incurred.	View
srt	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
srt	Proved Developed and Undeveloped Reserves, Improved Recovery	Changes in proved reserve estimates resulting from application of improved recovery techniques.	View
srt	Reserves, Share of Equity Method Investee's Net Proved Oil and Gas Reserves	The proportional interest of net proved oil reserve quantities of equity investees.	View
srt	Revisions of Previous Quantity Estimates	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of revisions of estimated quantity of oil and gas in proved reserves.	View
srt	Sales and Transfers of Oil and Gas Produced, Net of Production Costs	Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of sales and transfers of oil and gas produced.	View
srt	Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease)	Amount of increase (decrease) in standardized measure of discounted future net cash flow relating to proved oil and gas reserves.	View
srt	Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount	Amount of accretion of discount for the standardized measure of discounted future net cash flow related to proved oil and gas reserves.	View
srt	Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves	Amount of discounted future accumulated cash inflow relating to proved oil and gas reserves.	View

Chart of Accounts => Accounts

Name	View

Accounts Receivable, after Allowance for Credit Loss, Current	View
Disposal Group, Including Discontinued Operation, Assets, Current	View
Available-for-sale Securities, Gross Realized Gain (Loss)	View
Business Acquisition, Cost of Acquired Entity, Purchase Price (Deprecated 2013-01-31)	View
Business Acquisition, Transaction Costs	View
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	View
Business Acquisition, Pro Forma Earnings Per Share, Basic	View
Business Acquisition, Pro Forma Earnings Per Share, Diluted	View
Deferred Taxes, Business Combination, Valuation Allowance, Available to Reduce Income Tax Expense	View
Deferred Tax Liabilities, Gross, Noncurrent	View
Deferred Tax Liabilities, Investment in Noncontrolled Affiliates	View
Deferred Tax Liabilities, Net, Noncurrent	View
Foreign Currency Contracts, Liability, Fair Value Disclosure	View
Income (Loss) from Continuing Operations before Income Taxes, Domestic	View
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	View
Increase (Decrease) in Inventories	View
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	View
Other Inventory, Supplies, Gross	View
Payments to Acquire Oil and Gas Property	View
Payments to Acquire Oil and Gas Property and Equipment	View
Prepaid Expense, Current	View
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term, Minimum (Deprecated 2012-01-31)	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	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
Stock Repurchase Program, Authorized Amount	View
Tangible Asset Impairment Charges	View
Tax Benefit from Stock Options Exercised (Deprecated 2012-01-31)	View
Tax Credit Carryforward, Amount	View
Tax Credit Carryforward, Deferred Tax Asset (Deprecated 2015-01-31)	View
Taxes Payable, Current	View
Unrecognized Tax Benefits	View
Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves	View
Results of Operations, Oil and Gas Producing Activities Net Income (Excluding Corporate Overhead and Interest Costs)	View
Accounts Payable and Other Accrued Liabilities, Current	View
Accrued Insurance, Current	View
Accumulated Other Comprehensive Income (Loss), Net of Tax	View
Asset Retirement Obligation, Foreign Currency Translation Gain (Loss)	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable	View
Employee-related Liabilities, Current	View
Number of Operating Segments	View
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	View
4226621	View
Stock Issued During Period, Shares, Acquisitions	View
Other Comprehensive Income (Loss), Net of Tax	View
Repayments of Long-term Lines of Credit	View
Cost of Goods and Services Sold	View
Proceeds from Issuance of Debt	View
Accounts Payable and Accrued Liabilities, Current	View
Accounts Payable and Accrued Liabilities	View
Accounts Payable, Current	View
Accounts Payable, Other, Current	View
Accounts Payable, Trade, Current	View
Accounts Payable, Trade	View
Accounts Receivable, before Allowance for Credit Loss, Current	View
Accrued Income Taxes, Current	View
Accrued Liabilities, Current	View
Accrued Professional Fees, Current	View
Accrued Royalties, Current	View
Accrued Royalties	View
Accrued Salaries, Current	View
Accumulated Amortization of Debt Issuance Costs, Line of Credit Arrangements	View
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	View
Additional Paid in Capital	View
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities	View
Share-based Payment Arrangement, Expense	View
Accounts Receivable, Allowance for Credit Loss	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, Cash Paid to Settle	View
Asset Retirement Obligation, Current	View
Asset Retirement Obligation, Foreign Currency Translation (Deprecated 2016-01-31)	View
Asset Retirement Obligation, Legally Restricted Assets, Fair Value	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, Fair Value Disclosure	View
Disposal Group, Including Discontinued Operation, Assets	View
Deferred Tax Assets, Valuation Allowance	View
Business Acquisition, Purchase Price Allocation, Notes Payable and Long-term Debt (Deprecated 2013-01-31)	View
Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets (Deprecated 2013-01-31)	View
Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities (Deprecated 2013-01-31)	View
Business Acquisition, Pro Forma Net Income (Loss)	View
Business Acquisition, Pro Forma Revenue	View
Business Combination, Acquisition Related Costs	View
Business Combination, Bargain Purchase, Gain Recognized, Amount	View
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	View
Business Combination, Contingent Consideration, Liability, Current	View
Business Combination, Integration Related Costs	View
Capitalized Costs of Unproved Properties Excluded from Amortization, Period Cost	View
Capitalized Costs, Proved Properties	View
Capitalized Costs, Unproved Properties	View
Cash	View
Cash Acquired from Acquisition	View
Cash and Cash Equivalents, at Carrying Value	View
Cash and Cash Equivalents, Period Increase (Decrease)	View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	View
Cash Provided by (Used in) Investing Activities, Discontinued Operations	View
Cash Provided by (Used in) Operating Activities, Discontinued Operations	View
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	View
Common Stock, Par or Stated Value Per Share	View
Common Stock, Shares Authorized	View
Common Stock, Shares, Issued	View
Common Stock, Shares, Outstanding	View
Common Stock, Value, Issued	View
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	View
Contract with Customer, Asset, after Allowance for Credit Loss, Current	View
Convertible Debt	View
Convertible Debt, Fair Value Disclosures	View
Convertible Notes Payable, Noncurrent	View
Costs and Expenses	View
Energy Related Inventory, Crude Oil and Natural Gas Liquids	View
Current Federal Tax Expense (Benefit)	View
Current Foreign Tax Expense (Benefit)	View
Current Income Tax Expense (Benefit)	View
Debt Securities, Available-for-sale, Realized Gain	View
Debt Securities, Available-for-sale, Realized Gain (Loss)	View
Debt Securities, Available-for-sale, Unrealized Gain (Loss)	View
Deferred Federal Income Tax Expense (Benefit)	View
Debt Issuance Costs, Net	View
Deferred Foreign Income Tax Expense (Benefit)	View
Deferred Income Tax Assets, Net	View
Deferred Income Tax Expense (Benefit)	View
Deferred Income Taxes and Tax Credits	View
Deferred Tax Liabilities, Gross	View
Deferred Income Tax Liabilities, Net	View
Deferred Tax Assets, Capital Loss Carryforwards	View
Deferred Tax Assets, Gross	View
Deferred Tax Assets, Gross, Noncurrent	View
Deferred Tax Assets, Net	View
Deferred Tax Assets, Net of Valuation Allowance	View
Deferred Tax Assets, Net of Valuation Allowance, Current	View
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	View
Deferred Tax Assets, Operating Loss Carryforwards	View
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	View
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	View
Deferred Tax Liabilities, Net	View
Deferred Tax Liabilities, Net, Current	View
Deferred Tax Liabilities, Gross, Current	View
Depreciation, Depletion and Amortization	View
Derivative Asset	View
Derivative, Cash Received on Hedge	View
Derivative, Cost of Hedge	View
Derivative Asset, Fair Value, Gross Asset	View
Derivative, Gain (Loss) on Derivative, Net	View
Derivative Instruments and Hedges, Assets	View
Derivative Instruments and Hedges, Liabilities	View
Derivative Instruments in Hedges, Assets, at Fair Value	View
Derivative Instruments in Hedges, Liabilities, at Fair Value	View
Derivative Liability, Current	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, Income (Loss) from Discontinued Operation During Phase-out Period, 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 Income (Loss) from Discontinued Operation During Phase-out Period	View
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation	View
Discontinued Operation, Tax Effect of Other Income (Loss) from Disposition of Discontinued Operation (Deprecated 2015-01-31)	View
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents	View
Disposal Group, Including Discontinued Operation, Other Assets	View
Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Net (Deprecated 2014-01-31)	View
Disposal Group, Including Discontinued Operation, Revenue	View
Earnings Per Share, Basic	View
Earnings Per Share, Basic and Diluted	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 of Exchange Rate on Cash and Cash Equivalents	View
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	View
Employee-related Liabilities	View
Share-based Payment Arrangement, Amount Capitalized	View
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options (Deprecated 2017-01-31)	View
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	View
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (Deprecated 2012-01-31)	View
Equity Securities, FV-NI, Unrealized Gain (Loss)	View
Exploration Abandonment and Impairment Expense	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3	View
Finance Lease, Liability	View
Finance Lease, Liability, Current	View
Finance Lease, Liability, Payment, Due	View
Finance Lease, Liability, to be Paid, after Year Five	View
Finance Lease, Liability, to be Paid, Year One	View
Finance Lease, Liability, to be Paid, Year Five	View
Finance Lease, Liability, to be Paid, Year Four	View
Finance Lease, Liability, to be Paid, Year Three	View
Finance Lease, Liability, to be Paid, Year Two	View
Finance Lease, Principal Payments	View
Finance Lease, Right-of-Use Asset, Amortization	View
Foreign Currency Contract, Asset, Fair Value Disclosure	View
Other Assets, Noncurrent	View
Foreign Currency Transaction Gain (Loss), before Tax	View
Foreign Currency Transaction Gain (Loss), Unrealized	View
Foreign Earnings Repatriated	View
Gain (Loss) on Derivative Instruments, Net, Pretax	View
Gain (Loss) on Investments	View
Gain (Loss) on Repurchase of Debt Instrument	View
Gain (Loss) on Disposition of Business	View
Gain (Loss) on Sale of Derivatives	View
Gain on Purchase of Business (Deprecated 2013-01-31)	View
General and Administrative Expense	View
Goodwill	View
Goodwill, Impairment Loss	View
Held-to-maturity Securities, Unrecognized Holding Gain (Deprecated 2013-01-31)	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 before Income Taxes, Foreign	View
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	View
Income (Loss) from Continuing Operations, Per Basic and Diluted Share	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 and Diluted Share	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 Credits and Adjustments	View
Income Tax Effects Allocated Directly to Equity	View
Income Tax Expense (Benefit)	View
Income Taxes Paid	View
Income Taxes Paid, Net	View
Income Taxes Receivable, Current	View
Income Taxes Receivable, Noncurrent	View
Income Taxes Receivable	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, Extraterritorial Income Exclusion, Amount	View
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount	View
Effective Income Tax Rate Reconciliation, Disposition of Business, Amount	View
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	View
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation, Amount	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	View
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	View
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	View
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount	View
Increase (Decrease) in Accounts and Other Receivables	View
Increase (Decrease) in Accounts Payable and Accrued Liabilities	View
Increase (Decrease) in Accounts Receivable	View
Increase (Decrease) in Asset Retirement Obligations	View
Increase (Decrease) in Derivative Assets and Liabilities	View
Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable	View
Increase (Decrease) in Income Taxes Receivable	View
Increase (Decrease) in Operating Capital	View
Increase (Decrease) in Prepaid Expense	View
Increase (Decrease) in Prepaid Expenses, Other	View
Increase (Decrease) in Receivables	View
Increase (Decrease) in Restricted Cash	View
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	View
Interest-bearing Deposits in Banks and Other Financial Institutions	View
Interest Expense	View
Interest Expense, Debt	View
Interest Expense, Debt, Excluding Amortization	View
Interest Income, Operating	View
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	View
Interest Paid, Excluding Capitalized Interest, Operating Activities	View
Inventory, Net	View
Inventory Write-down	View
Investments, Fair Value Disclosure	View
Operating Leases, Rent Expense	View
Lease, Cost	View
Lessee, Operating Lease, Liability, to be Paid	View
Lessee, Operating Lease, Liability, to be Paid, after Year Five	View
Lessee, Operating Lease, Liability, to be Paid, Year One	View
Lessee, Operating Lease, Liability, to be Paid, Year Five	View
Lessee, Operating Lease, Liability, to be Paid, Year Four	View
Lessee, Operating Lease, Liability, to be Paid, Year Three	View
Lessee, Operating Lease, Liability, to be Paid, Year Two	View
Liabilities and Equity	View
Liabilities, Current	View
Financial and Nonfinancial Liabilities, Fair Value Disclosure	View
Liabilities, Noncurrent	View
Disposal Group, Including Discontinued Operation, Liabilities	View
Disposal Group, Including Discontinued Operation, Liabilities, Current	View
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	View
Liabilities, Other than Long-term Debt, Noncurrent	View
Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31)	View
Long-term Debt	View
Long-term Debt and Lease Obligation	View
Long-term Debt, Current Maturities	View
Long-term Debt, Excluding Current Maturities	View
Loss Contingency, Damages Sought, Value	View
Marketable Securities	View
Marketable Securities, Current	View
Marketable Securities, Noncurrent	View
Marketable Securities, Unrealized Gain (Loss)	View
Net Cash Provided by (Used in) Financing Activities	View
Net Cash Provided by (Used in) Investing Activities	View
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	View
Net Cash Provided by (Used in) Operating Activities	View
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	View
Net Income (Loss) Attributable to Parent	View
Noncash or Part Noncash Divestiture, Amount of Consideration Received	View
Notes Payable	View
Number of Reportable Segments	View
Oil and Gas Property, Full Cost Method, Net	View
Oil and Gas Property, Successful Effort Method, Net	View
Oil and Gas Sales Revenue (Deprecated 2018-01-31)	View
Operating Costs and Expenses	View
Operating Lease, Lease Income, Lease Payments	View
Operating Lease, Liability	View
Operating Lease, Payments	View
Operating Lease, Right-of-Use Asset	View
Operating Loss Carryforwards	View
Other Accrued Liabilities, Current	View
Other Accrued Liabilities	View
Other Assets	View
Other Assets, Current	View
Other Liabilities, Current	View
Other Liabilities, Noncurrent	View
Other Noncash Expense	View
Other Nonoperating Income (Expense)	View
Other Nonrecurring Expense	View
Other Nonrecurring Income	View
Other Operating Income (Expense), Net	View
Other Prepaid Expense, Current	View
Payments for (Proceeds from) Derivative Instrument, Investing Activities	View
Payments for (Proceeds from) Other Investing Activities	View
Payments for Repurchase of Common Stock	View
Payments to Acquire Businesses, Net of Cash Acquired	View
Payments to Acquire Trading Securities Held-for-investment	View
Preferred Stock, Par or Stated Value Per Share	View
Preferred Stock, Shares Authorized	View
Prepaid Taxes	View
Proceeds from Convertible Debt	View
Proceeds from Debt, Net of Issuance Costs	View
Proceeds from Divestiture of Businesses	View
Proceeds from Divestiture of Businesses, Net of Cash Divested	View
Proceeds from Issuance of Common Stock	View
Proceeds from Issuance of Senior Long-term Debt	View
Proceeds from (Payments for) Trading Securities, Short-term	View
Proceeds from Sale and Maturity of Marketable Securities	View
Proceeds from Sale of Equity Method Investments	View
Proceeds from Sale of Oil and Gas Property and Equipment	View
Proceeds from Sale of Debt and Equity Securities, FV-NI, Held-for-investment	View
Proceeds from Stock Options Exercised	View
Property, Plant and Equipment, Additions	View
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization	View
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization	View
Property, Plant and Equipment, Gross	View
Property, Plant and Equipment, Net	View
Property, Plant and Equipment, Other, Gross	View
Property, Plant and Equipment, Other, Net	View
Proved Developed and Undeveloped Reserves, Revisions of Previous Estimates	View
Proved Oil and Gas Property, Successful Effort Method	View
Related Party Transaction, Amounts of Transaction	View
Repayments of Bank Debt	View
Repayments of Convertible Debt	View
Repayments of Long-term Debt	View
Restricted Cash and Cash Equivalents, Current	View
Restricted Cash and Cash Equivalents, Noncurrent	View
Restructuring Reserve	View
Results of Operations, Depreciation, Depletion, Amortization and Accretion	View
Results of Operations, Depreciation, Depletion and Amortization, and Valuation Provisions	View
Results of Operations, Impairment of Oil and Gas Properties	View
Retained Earnings (Accumulated Deficit)	View
Revenue from Contract with Customer, Excluding Assessed Tax	View
Revenues	View
Revisions of Previous Quantity Estimates	View
Severance Costs	View
Share-based Payment Arrangement, Noncash Expense	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Share-based Liabilities Paid	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31)	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term, Maximum (Deprecated 2012-01-31)	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (Deprecated 2012-01-31)	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (Deprecated 2012-01-31)	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value (Deprecated 2013-01-31)	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	View
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable	View
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	View
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price	View
Stockholders' Equity Note, Stock Split, Conversion Ratio	View
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price	View
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31)	View
Short-term Bank Loans and Notes Payable	View
Stockholders' Equity Attributable to Parent	View
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	View
Stock Issued During Period, Shares, Conversion of Convertible Securities	View
Stock Issued During Period, Shares, New Issues	View
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	View
Stock Issued During Period, Value, Stock Options Exercised	View
Stock Repurchased and Retired During Period, Shares	View
Trading Activity, Gain	View
Trading Activity, Loss	View
Trading Gain (Loss)	View
Debt Securities, Trading, and Equity Securities, FV-NI	View
Trading Securities, Equity	View
Trading Securities, Change in Unrealized Holding Gain (Loss)	View
Treasury Stock Acquired, Average Cost Per Share	View
Underlying, Derivative Flow Rate	View
Unproved Oil and Gas Property, Successful Effort Method	View
Unrealized Gain (Loss) on Derivatives	View
Unrealized Gain (Loss) on Derivatives and Commodity Contracts	View
Unrealized Gain (Loss) on Investments	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, Reduction Resulting from Lapse of Applicable Statute of Limitations	View
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	View
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	View
Value Added Tax Receivable	View
Value Added Tax Receivable, Current	View
Value Added Tax Receivable, Noncurrent	View
Warrants and Rights Outstanding	View
Weighted Average Number of Shares Outstanding, Diluted	View
Weighted Average Number of Shares Outstanding, Basic and Diluted	View
Weighted Average Number of Shares Outstanding, Basic	View
Debt Issuance Costs, Current, Net	View
Debt Issuance Costs, Noncurrent, Net	View
Finance Lease, Liability, Noncurrent	View
Investments	View
Line of Credit, Current	View
Loss on Sale of Investments	View
Accrued Income Taxes, Noncurrent	View
Debt, Long-term and Short-term, Combined Amount	View
Gain (Loss) on Extinguishment of Debt	View
Repayments of Senior Debt	View
Treasury Stock, Common, Value	View
Treasury Stock, Value, Acquired, Cost Method	View
Operating Lease, Cost	View
Other Operating Activities, Cash Flow Statement	View
Payments of Debt Issuance Costs	View
Treasury Stock, Value	View
Costs Incurred, Acquisition of Unproved Oil and Gas Properties	View
Costs Incurred, Development Costs	View
Costs Incurred, Exploration Costs	View
Debt Instrument, Unamortized Discount, Noncurrent	View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other	View
Lessee, Finance Lease, Discount Rate	View
Lessee, Operating Lease, Discount Rate	View
Oil and Gas Property, Full Cost Method, Depletion	View
Results of Operations, Income Tax Expense	View
Results of Operations, Sales Revenue to Unaffiliated Enterprises	View
Short-term Debt	View
Debt, Current	View
Repayments of Lines of Credit	View
Finance Lease, Weighted Average Discount Rate, Percent	View
Operating Lease, Weighted Average Discount Rate, Percent	View
Treasury Stock, Common, Shares	View

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