No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Maximum range number of shares approved, net of any subsequent amendments and adjustments, for awards under share-based compensation plans. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments). No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Supplementary charge levied on oil and gas production in the UK before change in tax law in March 2011. No authoritative reference available. The position of the settled interest rate swap as of the settlement date. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Carrying value as of the balance sheet date of production and ad valorem taxes incurred and payable related to properties used in oil and gas production. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The amount of net gains (losses) on interest rate cash flow hedges expected to be reclassified over the term of the hedged item to earnings from accumulated other comprehensive income. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Fair values as of the balance sheet date of all current liabilities resulting from contracts that meet the criteria of being accounted for as interest rate derivative instruments, 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. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Disclosure of the components of comprehensive income (loss). No authoritative reference available. No authoritative reference available. No authoritative reference available. This element represents a certain statement of financial position liability caption which represents a deferred compensation liability, measured at fair value on a recurring basis. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Disclosure related to assets and liabilities, including financial instruments measured at fair value that are classified in stockholders' equity, if any, measured at fair value on a recurring basis. Includes reporting date measures by level in a fair value hierarchy in which the fair value measurements fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Rollforward analysis of the changes in the asset retirement obligation balance. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Amount primarily related to stacked rig expense incurred prior to receiving deepwater Gulf of Mexico drilling permit. No authoritative reference available. The net change during the reporting period in Current Income Taxes Payable. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule of detailed components of other Revenues, Production Expense, Net Other Operating Expense, and Net Other Non-Operating Income and Expenses No authoritative reference available. Net of tax amount remaining in Accumulated Other Comprehensive Loss that will be reclassified into interest expense over the life of the debt. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Repayment of outstanding debt from proceeds of debt issuance. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Accumulated change, net of tax, in accumulated gains and losses from interest rate derivative instruments designated and qualifying as the effective portion of cash flow hedges, remaining in accumulated other comprehensive loss until fixed-rate debt is issued. No authoritative reference available. No authoritative reference available. No authoritative reference available. Component of Other Non-operating (income) expense, No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Noncurrent investments in mutual funds. No authoritative reference available. Fair values as of the balance sheet date of all current liabilities resulting from contracts that meet the criteria of being accounted for as commodity derivative instruments, 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. No authoritative reference available. The amount of exploratory well costs that have been capitalized for a period of greater than one year after the completion of drilling and suspended since year 2009. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Fair value as of the balance sheet date of derivative instrument designated as hedging instrument and classified as an asset. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. This element may be used to capture the complete disclosure pertaining to an entity's basic and diluted earnings per share. No authoritative reference available. The amount of exploratory well costs that have been capitalized for a period of greater than one year after the completion of drilling and suspended since year 2010. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Other changes to the entity's defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation as of the balance sheet date. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Carrying value as of the balance sheet date of lease operating expense incurred and payable to third parties related to properties used in oil and gas production. No authoritative reference available. No authoritative reference available. No authoritative reference available. Net of tax effect change in accumulated gains and losses from other sources. May include foreign currency transaction and translation adjustment, defined benefit plans adjustments, and available-for-sale securities adjustment. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Fair value as of the balance sheet date of derivative instrument designated as hedging instrument and classified as a liability. No authoritative reference available. Supplementary charge levied on oil and gas production in the UK after change in tax law in March 2011. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Effective tax rate on UK oil and gas income prior to enactment of oil and gas tax increases. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Disclosure of the components of income tax provision (benefit). No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Expected effective tax rate on UK oil and gas income following enactment of oil and gas tax increases. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Expected percentage point change in future period consolidated effective tax rate due to changes in Israeli Oil Profits Taxation Law No authoritative reference available. This element represents a certain statement of financial position liability caption which represents a interest rate derivative liability, measured at fair value on a recurring basis. No authoritative reference available. No authoritative reference available. No authoritative reference available. Other noncurrent assets not otherwise specified in the taxonomy. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. This element may be used to capture the complete disclosure pertaining to an entity's basic and diluted earnings per share. No authoritative reference available. No authoritative reference available. No authoritative reference available. The amount of exploratory well costs that have been capitalized for a period of greater than one year after the completion of drilling and suspended since year 2008 or before. No authoritative reference available. No authoritative reference available. No authoritative reference available. Costs incurred to operate and maintain an entities' wells and related equipment and facilities, including advalorem taxes and taxes assessed on oil and gas production. No authoritative reference available. This element represents a certain statement of financial position liability caption which represents a commodity derivative liability, measured at fair value on a recurring basis. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule of detailed components of accounts receivable, net, other current assets, other noncurrent assets, accounts payable-trade, other current liabilities, and other noncurrent liabilities. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Maximum range number of shares approved subsequent to period end, net of any subsequent amendments and adjustments, for awards under share-based compensation plans. No authoritative reference available. This element may be used to capture the complete disclosure pertaining to long-debt maturities. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. 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 for an entity's capital costs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). No authoritative reference available. Number of exploratory wells the company plans to drill at end of period. No authoritative reference available. Contract period of time relating to a derivative instrument. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Accounts receivable attributable to commodity sales. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Describes an entity's accounting policy for determining the fair value of its financial instruments, measured on a Nonrecurring basis. No authoritative reference available. Describes an entity's accounting policy for determining the fair value of its financial instruments, measured on a recurring basis. No authoritative reference available. For a specifically identified project previously, portion of capitalized costs of the drilling of wells that were reclassified as part of the costs of the enterprise's wells and related equipment and facilities at the time that proved reserves were found. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Expected percentage point change in future period consolidated effective tax rate due to changes in the UK Oil Profits Taxation Law. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Reference to the index or unit of measurement for the underlying which establishes the pricing terms of the derivative instrument. For example, the basis on the underlying for a natural gas futures contract might be the NYMEX price per million British thermal units (MMBtu). No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The total amount of other operating expense items No authoritative reference available. No authoritative reference available. No authoritative reference available. Element represents the portion of the balance sheet assertion at fair value whether such amount is presented as a separate caption or as a parenthetical disclosure. Element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. Element may be used in both the balance sheet and disclosure in the same submission. Item represents long term debt, net of unamortized discount, and excluding FPSO lease obligations, as of the balance sheet date. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The earliest tax year being audited in connection with the income tax examination. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Costs incurred to operate and maintain an entities' wells and related equipment and facilities, including production and ad valorem taxes, transportation expense and applicable operating costs of support equipment and facilities and other costs of operating and maintaining those wells and related equipment and facilities No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available.