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Consolidated Comprehensive Statements Of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Consolidated Comprehensive Statements Of Earnings [Abstract] |  |  |
Oil, gas and NGL sales | $ 9,910 us-gaap_OilAndGasSalesRevenue | $ 8,522 us-gaap_OilAndGasSalesRevenue | $ 7,153 us-gaap_OilAndGasSalesRevenue
Oil, gas and NGL derivatives | 1,989 us-gaap_GainLossOnOilAndGasHedgingActivity | (191)us-gaap_GainLossOnOilAndGasHedgingActivity | 693 us-gaap_GainLossOnOilAndGasHedgingActivity
Marketing and midstream revenues | 7,667 us-gaap_GasGatheringTransportationMarketingAndProcessingRevenue | 2,066 us-gaap_GasGatheringTransportationMarketingAndProcessingRevenue | 1,655 us-gaap_GasGatheringTransportationMarketingAndProcessingRevenue
Total operating revenues | 19,566 us-gaap_Revenues | 10,397 us-gaap_Revenues | 9,501 us-gaap_Revenues
Lease operating expenses | 2,332 us-gaap_LeaseOperatingExpense | 2,268 us-gaap_LeaseOperatingExpense | 2,074 us-gaap_LeaseOperatingExpense
Marketing and midstream operating expenses | 6,815 us-gaap_GasGatheringTransportationMarketingAndProcessingCosts | 1,553 us-gaap_GasGatheringTransportationMarketingAndProcessingCosts | 1,246 us-gaap_GasGatheringTransportationMarketingAndProcessingCosts
General and administrative expenses | 847 us-gaap_GeneralAndAdministrativeExpense | 617 us-gaap_GeneralAndAdministrativeExpense | 692 us-gaap_GeneralAndAdministrativeExpense
Production and property taxes | 535 us-gaap_TaxesExcludingIncomeAndExciseTaxes | 461 us-gaap_TaxesExcludingIncomeAndExciseTaxes | 414 us-gaap_TaxesExcludingIncomeAndExciseTaxes
Depreciation, depletion and amortization | 3,319 us-gaap_DepreciationDepletionAndAmortization | 2,780 us-gaap_DepreciationDepletionAndAmortization | 2,811 us-gaap_DepreciationDepletionAndAmortization
Asset impairments | 1,953 us-gaap_AssetImpairmentCharges | 1,976 us-gaap_AssetImpairmentCharges | 2,024 us-gaap_AssetImpairmentCharges
Restructuring costs | 46 us-gaap_RestructuringCharges | 54 us-gaap_RestructuringCharges | 74 us-gaap_RestructuringCharges
Gains and losses on asset sales | (1,072)us-gaap_GainLossOnDispositionOfAssets1 | 9 us-gaap_GainLossOnDispositionOfAssets1 | (13)us-gaap_GainLossOnDispositionOfAssets1
Other operating items | 93 us-gaap_OtherCostAndExpenseOperating | 112 us-gaap_OtherCostAndExpenseOperating | 105 us-gaap_OtherCostAndExpenseOperating
Total operating expenses | 14,868 us-gaap_CostsAndExpenses | 9,830 us-gaap_CostsAndExpenses | 9,427 us-gaap_CostsAndExpenses
Operating income | 4,698 us-gaap_OperatingIncomeLoss | 567 us-gaap_OperatingIncomeLoss | 74 us-gaap_OperatingIncomeLoss
Net financing costs | 526 dvn_FinancingCostsNet | 417 dvn_FinancingCostsNet | 370 dvn_FinancingCostsNet
Other nonoperating items | 113 us-gaap_OtherNonoperatingIncomeExpense | 1 us-gaap_OtherNonoperatingIncomeExpense | 21 us-gaap_OtherNonoperatingIncomeExpense
Earnings (loss) from continuing operations before income taxes | 4,059 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 149 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (317)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax expense (benefit) | 2,368 us-gaap_IncomeTaxExpenseBenefit | 169 us-gaap_IncomeTaxExpenseBenefit | (132)us-gaap_IncomeTaxExpenseBenefit
Earnings (loss) from continuing operations | 1,691 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | (20)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | (185)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
Earnings (loss) from discontinued operations, net of tax |  |  | (21)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Net earnings (loss) | 1,691 us-gaap_ProfitLoss | (20)us-gaap_ProfitLoss | (206)us-gaap_ProfitLoss
Net earnings attributable to noncontrolling interests | 84 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |  |
Net earnings (loss) attributable to Devon | 1,607 us-gaap_NetIncomeLoss | (20)us-gaap_NetIncomeLoss | (206)us-gaap_NetIncomeLoss
Net earnings (loss) per share attributable to Devon: |  |  |
Basic earnings (loss) from continuing operations per share | $ 3.93 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.06)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.47)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Basic earnings (loss) from discontinued operations per share |  |  | $ (0.05)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
Basic net earnings (loss) per share | $ 3.93 us-gaap_EarningsPerShareBasic | $ (0.06)us-gaap_EarningsPerShareBasic | $ (0.52)us-gaap_EarningsPerShareBasic
Diluted earnings (loss) from continuing operations per share | $ 3.91 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.06)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.47)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Diluted earnings (loss) from discontinued operations per share |  |  | $ (0.05)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
Diluted net earnings (loss) per share | $ 3.91 us-gaap_EarningsPerShareDiluted | $ (0.06)us-gaap_EarningsPerShareDiluted | $ (0.52)us-gaap_EarningsPerShareDiluted
Comprehensive earnings (loss): |  |  |
Net earnings (loss) | 1,691 us-gaap_ProfitLoss | (20)us-gaap_ProfitLoss | (206)us-gaap_ProfitLoss
Other comprehensive earnings (loss), net of tax: |  |  |
Foreign currency translation | (465)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | (548)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | 194 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Pension and postretirement plans | (24)us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax | 45 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax | 2 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
Other comprehensive earnings (loss), net of tax | (489)us-gaap_OtherComprehensiveIncomeLossNetOfTax | (503)us-gaap_OtherComprehensiveIncomeLossNetOfTax | 196 us-gaap_OtherComprehensiveIncomeLossNetOfTax
Comprehensive earnings (loss) | 1,202 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | (523)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | (10)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Comprehensive earnings attributable to noncontrolling interests | 84 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest |  |
Comprehensive earnings (loss) attributable to Devon | $ 1,118 us-gaap_ComprehensiveIncomeNetOfTax | $ (523)us-gaap_ComprehensiveIncomeNetOfTax | $ (10)us-gaap_ComprehensiveIncomeNetOfTax

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