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operating revenues [Member] us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis xbrldi http://xbrl.org/2006/xbrldi cop_OtherOperatingRevenuesMember us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 101 USD true false false false Other operating revenues [Member] us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis xbrldi http://xbrl.org/2006/xbrldi cop_OtherOperatingRevenuesMember us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 102 USD true false false false Other operating revenues [Member] us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis xbrldi http://xbrl.org/2006/xbrldi cop_OtherOperatingRevenuesMember us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 103 USD true false false false Purchased crude oil, natural gas and products [Member] us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_CostOfSalesMember us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 104 USD true false false false Purchased crude oil, natural gas and products [Member] us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_CostOfSalesMember us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 105 USD true false false false Purchased crude oil, natural gas and products [Member] us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_CostOfSalesMember us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 106 true false false false Commodity derivative [Member] us-gaap_TradingActivityByTypeAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_CommodityMember us-gaap_TradingActivityByTypeAxis explicitMember false false Crude oil, refined products and natural gas liquids [Member] us-gaap_ReserveQuantitiesByTypeOfReserveAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_NaturalGasLiquidsReservesMember us-gaap_ReserveQuantitiesByTypeOfReserveAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 107 true false false false Commodity 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http://www.xbrl.org/2003/instance pure xbrli 0 false 109 true false false false Commodity derivative [Member] us-gaap_TradingActivityByTypeAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_CommodityMember us-gaap_TradingActivityByTypeAxis explicitMember false false Natural gas power and carbon dioxide emissions, Fixed Price [Member] us-gaap_ReserveQuantitiesByTypeOfReserveAxis xbrldi http://xbrl.org/2006/xbrldi cop_NaturalGasPowerAndCarbonDioxideEmissionsFlatPriceMember us-gaap_ReserveQuantitiesByTypeOfReserveAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 110 true false false false Commodity derivative [Member] us-gaap_TradingActivityByTypeAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_CommodityMember us-gaap_TradingActivityByTypeAxis explicitMember false false Natural gas power and carbon dioxide emissions, Basis [Member] us-gaap_ReserveQuantitiesByTypeOfReserveAxis xbrldi http://xbrl.org/2006/xbrldi cop_NaturalGasPowerAndCarbonDioxideEmissionsBasisMember us-gaap_ReserveQuantitiesByTypeOfReserveAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 111 true false false false Commodity derivative [Member] us-gaap_TradingActivityByTypeAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_CommodityMember us-gaap_TradingActivityByTypeAxis explicitMember false false Natural gas power and carbon dioxide emissions, Basis [Member] us-gaap_ReserveQuantitiesByTypeOfReserveAxis xbrldi http://xbrl.org/2006/xbrldi cop_NaturalGasPowerAndCarbonDioxideEmissionsBasisMember us-gaap_ReserveQuantitiesByTypeOfReserveAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 5 Fair Value Assets Measured On Recurring Basis [Abstract] 3 cop_FairValueAssetsMeasuredOnRecurringBasisAbstract cop false na duration Fair Value Assets Measured On Recurring Basis Abstract false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string Fair Value Assets Measured On Recurring Basis Abstract false 6 Total assets 4 us-gaap_FairValueAssetsMeasuredOnRecurringBasisDerivativeFinancialInstrumentsAssets us-gaap true debit instant No definition available. false false false false false false false false false false false totallabel false 1 true true false false 4513000000 4513 false false false 2 false false false false 0 0 false false false 3 true true false false 4513000000 4513 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 true true false false 3475000000 3475 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 true true false false 57000000 57 true false false 62 true true false false 45000000 45 true false false 63 true true false false 57000000 57 true false false 64 true true false false 45000000 45 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 true true false false 4440000000 4440 true false false 70 true true false false 3430000000 3430 true false false 71 true true false false 2775000000 2775 true false false 72 true true false false 1710000000 1710 true false false 73 true true false false 1603000000 1603 true false false 74 true true false false 1659000000 1659 true false false 75 true true false false 62000000 62 true false false 76 true true false false 61000000 61 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 true true false false 16000000 16 true false false 82 true true false false 16000000 16 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 true true false false 2775000000 2775 true false false 94 true true false false 1710000000 1710 true false false 95 true true false false 1676000000 1676 true false false 96 true true false false 1704000000 1704 true false false 97 true true false false 62000000 62 true false false 98 true true false false 61000000 61 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary This element represents a certain statement of financial position asset caption which represents a class of assets, or which may include an individual asset, measured at fair value on a recurring basis. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph a true 9 Fair Value Liabilities Measured On Recurring Basis [Abstract] 3 cop_FairValueLiabilitiesMeasuredOnRecurringBasisAbstract cop false na duration Fair Value Liabilities Measured On Recurring Basis Abstract false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string Fair Value Liabilities Measured On Recurring Basis Abstract false 10 Total liabilities 4 us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisDerivativeFinancialInstrumentsLiabilities us-gaap true credit instant No definition available. false false false false false false false false false false false totallabel false 1 false true false false -4276000000 -4276 false false false 2 false false false false 0 0 false false false 3 false true false false -4276000000 -4276 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false true false false -3364000000 -3364 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false true false false -2838000000 -2838 true false false 48 false true false false -1797000000 -1797 true false false 49 false true false false -2838000000 -2838 true false false 50 false true false false -1797000000 -1797 true false false 51 false true false false -1417000000 -1417 true false false 52 false true false false -1543000000 -1543 true false false 53 false true false false -18000000 -18 true false false 54 false true false false -47000000 -47 true false false 55 false true false false -1399000000 -1399 true false false 56 false true false false -1496000000 -1496 true false false 57 false true false false -21000000 -21 true false false 58 false true false false -24000000 -24 true false false 59 false true false false -21000000 -21 true false false 60 false true false false -24000000 -24 true false false 61 false true false false -18000000 -18 true false false 62 false true false false -47000000 -47 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false true false false -4258000000 -4258 true false false 70 false true false false -3317000000 -3317 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary This element represents a certain statement of financial position liability caption which represents a class of liabilities, or which may include an individual liability, measured at fair value on a recurring basis. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph a true 11 Net assets (liabilities) 4 us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet us-gaap true debit instant No definition available. false false false false false false false false false false false totallabel false 1 false true false false 237000000 237 false false false 2 false false false false 0 0 false false false 3 false true false false 237000000 237 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false true false false 111000000 111 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false true false false -63000000 -63 true false false 48 false true false false -87000000 -87 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false true false false 259000000 259 true false false 52 false true false false 161000000 161 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false true false false 41000000 41 true false false 58 false true false false 37000000 37 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 4, 17 true 14 Amounts of Level 3 gains (losses) 3 cop_AmountsOfLevel3GainsLossesAbstract cop false na duration Amounts of Level 3 gains losses Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string Amounts of Level 3 gains losses Abstract. false 15 Total gains (losses) included in earnings 4 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings us-gaap true debit duration No definition available. false false false false false false false false false false false totallabel false 1 false false false false 0 0 false false false 2 false true false false -8000000 -8 false false false 3 false true false false 32000000 32 false false false 4 false true false false 18000000 18 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false true false false 10000000 10 true false false 100 false true false false -8000000 -8 true false false 101 false true false false 54000000 54 true false false 102 false true false false 19000000 19 true false false 103 false true false false -10000000 -10 true false false 104 false true false false -22000000 -22 true false false 105 false true false false -1000000 -1 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(1) true 16 Change in unrealized gains (losses) relating to assets held at balance sheet date 4 cop_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss cop false credit duration This item represents the amount of the total change in unrealized (holding) gains or losses for the period which are included... false false false false false false false false false false false totallabel false 1 false true false false 32000000 32 false false false 2 false true false false 3000000 3 false false false 3 false true false false 65000000 65 false false false 4 false true false false 21000000 21 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false true false false 31000000 31 true false false 100 false true false false 3000000 3 true false false 101 false true false false 64000000 64 true false false 102 false true false false 21000000 21 true false false 103 false true false false 1000000 1 true false false 104 false true false false 1000000 1 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary This item represents the amount of the total change in unrealized (holding) gains or losses for the period which are included in the statement of income (or changes in net assets) in sales and other operating revenues. Such unrealized (holding) gains or losses relate to those assets still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). No authoritative reference available. true 17 Change in unrealized gains (losses) relating to liabilities held at balance sheet date 4 cop_FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss cop false credit duration This item represents the amount of the total change in unrealized (holding) gains or losses for the period which are included... false false false false false false false false false false false totallabel false 1 false true false false -28000000 -28 false false false 2 false true false false -9000000 -9 false false false 3 false true false false -33000000 -33 false false false 4 false true false false -10000000 -10 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false true false false -19000000 -19 true false false 100 false true false false -9000000 -9 true false false 101 false true false false -16000000 -16 true false false 102 false true false false -10000000 -10 true false false 103 false true false false -9000000 -9 true false false 104 false true false false -17000000 -17 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary This item represents the amount of the total change in unrealized (holding) gains or losses for the period which are included in the statement of income (or changes in net assets) in sales and other operating revenues. Such unrealized (holding) gains or losses relate to those liabilities still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). No authoritative reference available. true 18 Fair Value Measurements Using Significant Unobservable Inputs (Level 3) 1 us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. false 19 Beginning balance 2 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue us-gaap true debit instant No definition available. false false false false false false false false true false false periodstartlabel false 1 false true false false 60000000 60 false false false 2 false true false false 96000000 96 false false false 3 false true false false 37000000 37 false false false 4 false true false false 40000000 40 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c false 20 Total net gains (losses), realized and unrealized, included in earnings 2 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false true false false -8000000 -8 false false false 3 false true false false 32000000 32 false false false 4 false true false false 18000000 18 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false true false false 10000000 10 true false false 100 false true false false -8000000 -8 true false false 101 false true false false 54000000 54 true false false 102 false true false false 19000000 19 true false false 103 false true false false -10000000 -10 true false false 104 false true false false -22000000 -22 true false false 105 false true false false -1000000 -1 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(1) false 21 Net purchases, issuances and settlements 2 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false -19000000 -19 false false false 2 false true false false -17000000 -17 false false false 3 false true false false -22000000 -22 false false false 4 false true false false -27000000 -27 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary This element represents purchases, sales, issuances, and settlements (net) which have taken place during the period in relation to assets measured at fair value on a recurring basis using unobservable inputs (Level 3). Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(2) false 22 Transfers into Level 3 2 cop_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevelThree cop false debit duration This element represents transfers into assets measured at fair value on a recurring basis using unobservable inputs (Level 3)... false false false false false false false false false false false verboselabel false 1 false true false false 1000000 1 false false false 2 false true false false 20000000 20 false false false 3 false true false false 1000000 1 false false false 4 false true false false 61000000 61 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary This element represents transfers into assets measured at fair value on a recurring basis using unobservable inputs (Level 3) which have taken place during the period. No authoritative reference available. false 23 Transfers out of level 3 2 cop_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOut cop false debit duration This element represents transfers out of assets measured at fair value on a recurring basis using unobservable inputs (Level... false false false false false false false false false false false totallabel false 1 false true false false -1000000 -1 false false false 2 false true false false -17000000 -17 false false false 3 false true false false -7000000 -7 false false false 4 false true false false -18000000 -18 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary This element represents transfers out of assets measured at fair value on a recurring basis using unobservable inputs (Level 3) which have taken place during the period. No authoritative reference available. true 24 Ending balance 2 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue us-gaap true debit instant No definition available. false false false false false false false false false true false periodendlabel false 1 false true false false 41000000 41 false false false 2 false true false false 74000000 74 false false false 3 false true false false 41000000 41 false false false 4 false true false false 74000000 74 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c false 27 Derivative Fair Value assets and liabilities 3 cop_DerivativeAssetsLiabilitiesAtFairValueGrossByBalanceSheetClassificationAbstract cop false na duration Derivative Assets Liabilities At Fair Value Gross By Balance Sheet Classification Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string Derivative Assets Liabilities At Fair Value Gross By Balance Sheet Classification Abstract. false 28 Derivative Assets 4 us-gaap_DerivativeFairValueOfDerivativeAsset us-gaap true debit instant No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false true false false 50000000 50 true false false 31 false true false false 38000000 38 true false false 32 false true false false 4124000000 4124 true false false 33 false true false false 3084000000 3084 true false false 34 false false false false 0 0 true false false 35 false true false false 7000000 7 true false false 36 false true false false 7000000 7 true false false 37 false true false false 320000000 320 true false false 38 false true false false 359000000 359 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -Clause 1 false 29 Derivative Liabilities 4 us-gaap_DerivativeFairValueOfDerivativeLiability us-gaap true credit instant No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false true false false 18000000 18 true false false 40 false true false false 40000000 40 true false false 41 false true false false 3931000000 3931 true false false 42 false true false false 3006000000 3006 true false false 43 false true false false 0 0 true false false 44 false true false false 7000000 7 true false false 45 false true false false 331000000 331 true false false 46 false true false false 324000000 324 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -Clause 1 false 30 Interest Rate Derivative Contracts 3 cop_InterestRateFairValueHedgeDerivativeAtFairValueGrossAbstract cop false na duration Interest Rate Fair Value Hedge Derivative At Fair Value Gross Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string Interest Rate Fair Value Hedge Derivative At Fair Value Gross Abstract. false 31 Assets 4 us-gaap_InterestRateFairValueHedgeAssetAtFairValue us-gaap true debit instant No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false true false false 7000000 7 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false true false false 9000000 9 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Fair value as of the balance sheet date of all derivative assets designated as interest rate fair value hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 17 false 32 Commodity derivative and financial instruments 3 cop_CommodityDerivativeAndFinancialInstrumentsAbstract cop false na duration Commodity derivative and financial instruments Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string Commodity derivative and financial instruments Abstract. false 33 Financial Assets 4 cop_FinancialAssets cop false debit instant Assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects... false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false true false false 57000000 57 true false false 66 false true false false 45000000 45 true false false 67 false true false false 57000000 57 true false false 68 false true false false 45000000 45 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false true false false 702000000 702 true false false 78 false true false false 823000000 823 true false false 79 false true false false 702000000 702 true false false 80 false true false false 823000000 823 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false true false false 16000000 16 true false false 84 false true false false 16000000 16 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements, and net of obligations ot return cash collateral. No authoritative reference available. false 34 Financial Liabilities 4 cop_FinancialLiabilities cop false credit instant Liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the... false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false true false false 18000000 18 true false false 66 false true false false 47000000 47 true false false 67 false true false false 18000000 18 true false false 68 false true false false 47000000 47 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false true false false 441000000 441 true false false 78 false true false false 632000000 632 true false false 79 false true false false 441000000 441 true false false 80 false true false false 632000000 632 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false true false false 26243000000 26243 true false false 86 false true false false 28622000000 28622 true false false 87 false true false false 29312000000 29312 true false false 88 false true false false 30565000000 30565 true false false 89 false true false false 5343000000 5343 true false false 90 false true false false 5669000000 5669 true false false 91 false true false false 5949000000 5949 true false false 92 false true false false 6276000000 6276 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements, and net of rights to reclaim cash collateral. No authoritative reference available. false 37 Gains (losses) from derivatives 3 us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNetAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string No definition available. false 38 Gains (losses) from derivatives 4 us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false true false false 57000000 57 true false false 10 false true false false -166000000 -166 true false false 11 false true false false 103000000 103 true false false 12 false true false false -172000000 -172 true false false 13 false true false false 1373000000 1373 true false false 14 false true false false -443000000 -443 true false false 15 false true false false 866000000 866 true false false 16 false true false false -955000000 -955 true false false 17 false true false false -20000000 -20 true false false 18 false true false false 14000000 14 true false false 19 false true false false -30000000 -30 true false false 20 false true false false 22000000 22 true false false 21 false true false false -1139000000 -1139 true false false 22 false true false false -182000000 -182 true false false 23 false true false false -657000000 -657 true false false 24 false true false false 391000000 391 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b true 40 Recorded in interest and debt expense 4 us-gaap_EffectOfFairValueHedgesOnResultsOfOperationsAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string No definition available. false 41 From the interest rate derivatives 5 us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false true false false -16000000 -16 true false false 26 false true false false -16000000 -16 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Amount of the increase or decrease in fair value during the period of derivative or nonderivative instruments designated as fair value hedging instruments. Recognized in earnings and offsets the gain (loss) on the hedged item to the extent that the fair value hedge is determined to be effective. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph a(1) false 42 From the hedged debt 5 us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false true false false 14000000 14 true false false 28 false true false false 14000000 14 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Amount of the increase or decrease in fair value during the period of the hedged item in a fair value hedge. Recognized in earnings and is offset by the gain (loss) on the hedging instrument to the extent that the fair value hedge is determined to be effective. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph a(1) false 43 Gains (losses) from foreign currency derivatives 3 cop_GainsLossesFromForeignCurrencyDerivativesAbstract cop false na duration Gains Losses From Foreign Currency Derivatives Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string Gains Losses From Foreign Currency Derivatives Abstract. false 44 Foreign Currency Transactions (gains) losses 4 us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false true false false 57000000 57 true false false 10 false true false false -166000000 -166 true false false 11 false true false false 103000000 103 true false false 12 false true false false -172000000 -172 true false false 13 false true false false 1373000000 1373 true false false 14 false true false false -443000000 -443 true false false 15 false true false false 866000000 866 true false false 16 false true false false -955000000 -955 true false false 17 false true false false -20000000 -20 true false false 18 false true false false 14000000 14 true false false 19 false true false false -30000000 -30 true false false 20 false true false false 22000000 22 true false false 21 false true false false -1139000000 -1139 true false false 22 false true false false -182000000 -182 true false false 23 false true false false -657000000 -657 true false false 24 false true false false 391000000 391 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b false 47 Net exposures from outstanding commodity derivative contracts 3 cop_NetExposuresFromOutstandingCommodityDerivativeContractsAbstract cop false na duration Net exposures from outstanding commodity derivative contracts Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string Net exposures from outstanding commodity derivative contracts Abstract. false 48 Open Position Long (Short) 4 invest_DerivativeNonmonetaryNotionalAmount invest false na instant No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false true false false -35000000 -35000000 true false false 107 false true false false -16000000 -16000000 true false false 108 false true false false -85000000000 -85000000000 true false false 109 false true false false -60000000000 -60000000000 true false false 110 false true false false 123000000000 123000000000 true false false 111 false true false false 154000000000 154000000000 true false false xbrli:decimalItemType decimal Aggregate notional amount of derivative expressed in nonmonetary units. For example the number of barrels specified in a fuel oil forward purchase contract. No authoritative reference available. false 49 Net position of outstanding foreign currency swap contracts 1 cop_NetPositionOfOutstandingForeignCurrencySwapContractsAbstract cop false na duration Net position of outstanding foreign currency swap contracts. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string Net position of outstanding foreign currency swap contracts. false 50 Sell U.S. Dollar, buy other currencies 2 us-gaap_NotionalAmountOfForeignCurrencyDerivativeSaleContracts us-gaap true debit instant No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 1647000000 1647 [1] false false false 2 false false false false 0 0 false false false 3 false true false false 1647000000 1647 [1] false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false true false false 3211000000 3211 [1] false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Aggregate notional amount of foreign currency derivatives to sell a foreign currency. Notional amount refers to the number of currency units specified in the foreign currency derivative contract. No authoritative reference available. false 51 Buy British pound, sell euro 2 us-gaap_NotionalAmountOfForeignCurrencyDerivativePurchaseContracts us-gaap true debit instant No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false true false false 285000000 285 false false false 6 false false false false 0 0 false false false 7 false true false false 267000000 267 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Aggregate notional amount of foreign currency derivatives to purchase a foreign currency. Notional amount refers to the number of currency units specified in the foreign currency derivative contract. No authoritative reference available. false 53 Debt (Textuals) [Abstract] 2 us-gaap_DebtInstrumentLineItems us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. false 54 Amount converted by interest rate swap execution 3 cop_AmountConvertedByInterestRateSwapExecution cop false credit instant Amount converted by interest rate swap execution. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false true false false 500000000 500 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Amount converted by interest rate swap execution. No authoritative reference available. false 55 Interest rate of fixed bonds 3 us-gaap_DebtInstrumentInterestRateStatedPercentage us-gaap true na instant No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false true false false 0.046 0.046 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false us-types:percentItemType pure Interest rate stated in the contractual debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 false 56 Financial Instruments and Derivative Contracts (Textuals) [Abstract] 1 cop_FinancialInstrumentsAndDerivativeContractsTextualsAbstract cop false na duration Financial Instruments and Derivative Contracts Textuals Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string Financial Instruments and Derivative Contracts Textuals Abstract. false 57 Aggregate fair value of all derivative instruments in a liability position 2 us-gaap_DerivativeNetLiabilityPositionAggregateFairValue us-gaap true credit instant No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 272000000 272 false false false 2 false false false false 0 0 false false false 3 false true false false 272000000 272 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false true false false 381000000 381 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain or loss on that instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44D -Subparagraph b false 58 Additional collateral, either in the form of cash or letters of credit 2 us-gaap_AdditionalCollateralAggregateFairValue us-gaap true debit instant No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 272000000 272 false false false 2 false false false false 0 0 false false false 3 false true false false 272000000 272 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44D -Subparagraph c false 59 Fixed-rate on joint venture acquisition obligation 2 cop_FixedRateOnJointVentureAcquisitionObligation cop false na instant Fixed-rate on joint venture acquisition obligation. false false false false false false false false false false false verboselabel false 1 false true false false 0.053 0.053 false false false 2 false false false false 0 0 false false false 3 false true false false 0.053 0.053 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false us-types:percentItemType pure Fixed-rate on joint venture acquisition obligation. No authoritative reference available. false 60 Effective yield rate 2 cop_EffectiveYieldRate cop false na instant Effective yield rate. false false false false false false false false false false false verboselabel false 1 false true false false 0.0225 0.0225 false false false 2 false false false false 0 0 false false false 3 false true false false 0.0225 0.0225 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false us-types:percentItemType pure Effective yield rate. No authoritative reference available. false 61 Obligations to return cash collateral 2 cop_ObligationsToReturnCashCollateral cop false credit instant Obligations to return cash collateral. false false false false false false false false false false false verboselabel false 1 false true false false 133000000 133 false false false 2 false false false false 0 0 false false false 3 false true false false 133000000 133 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false true false false 70000000 70 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Obligations to return cash collateral. No authoritative reference available. false 62 Rights to reclaim cash collateral 2 cop_RightsToReclaimCashCollateral cop false debit instant Rights to reclaim cash collateral. false false false false false false false false false false false verboselabel false 1 true true false false 212000000 212 false false false 2 false false false false 0 0 false false false 3 true true false false 212000000 212 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 true true false false 148000000 148 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:monetaryItemType monetary Rights to reclaim cash collateral. No authoritative reference available. false 63 Payment term of recievables 2 cop_PaymentTermOfRecievables cop false na duration Payment term of recievables. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 30 days or less 30 days or less false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false 7 false false false false 0 0 false false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false 28 false false false false 0 0 true false false 29 false false false false 0 0 true false false 30 false false false false 0 0 true false false 31 false false false false 0 0 true false false 32 false false false false 0 0 true false false 33 false false false false 0 0 true false false 34 false false false false 0 0 true false false 35 false false false false 0 0 true false false 36 false false false false 0 0 true false false 37 false false false false 0 0 true false false 38 false false false false 0 0 true false false 39 false false false false 0 0 true false false 40 false false false false 0 0 true false false 41 false false false false 0 0 true false false 42 false false false false 0 0 true false false 43 false false false false 0 0 true false false 44 false false false false 0 0 true false false 45 false false false false 0 0 true false false 46 false false false false 0 0 true false false 47 false false false false 0 0 true false false 48 false false false false 0 0 true false false 49 false false false false 0 0 true false false 50 false false false false 0 0 true false false 51 false false false false 0 0 true false false 52 false false false false 0 0 true false false 53 false false false false 0 0 true false false 54 false false false false 0 0 true false false 55 false false false false 0 0 true false false 56 false false false false 0 0 true false false 57 false false false false 0 0 true false false 58 false false false false 0 0 true false false 59 false false false false 0 0 true false false 60 false false false false 0 0 true false false 61 false false false false 0 0 true false false 62 false false false false 0 0 true false false 63 false false false false 0 0 true false false 64 false false false false 0 0 true false false 65 false false false false 0 0 true false false 66 false false false false 0 0 true false false 67 false false false false 0 0 true false false 68 false false false false 0 0 true false false 69 false false false false 0 0 true false false 70 false false false false 0 0 true false false 71 false false false false 0 0 true false false 72 false false false false 0 0 true false false 73 false false false false 0 0 true false false 74 false false false false 0 0 true false false 75 false false false false 0 0 true false false 76 false false false false 0 0 true false false 77 false false false false 0 0 true false false 78 false false false false 0 0 true false false 79 false false false false 0 0 true false false 80 false false false false 0 0 true false false 81 false false false false 0 0 true false false 82 false false false false 0 0 true false false 83 false false false false 0 0 true false false 84 false false false false 0 0 true false false 85 false false false false 0 0 true false false 86 false false false false 0 0 true false false 87 false false false false 0 0 true false false 88 false false false false 0 0 true false false 89 false false false false 0 0 true false false 90 false false false false 0 0 true false false 91 false false false false 0 0 true false false 92 false false false false 0 0 true false false 93 false false false false 0 0 true false false 94 false false false false 0 0 true false false 95 false false false false 0 0 true false false 96 false false false false 0 0 true false false 97 false false false false 0 0 true false false 98 false false false false 0 0 true false false 99 false false false false 0 0 true false false 100 false false false false 0 0 true false false 101 false false false false 0 0 true false false 102 false false false false 0 0 true false false 103 false false false false 0 0 true false false 104 false false false false 0 0 true false false 105 false false false false 0 0 true false false 106 false false false false 0 0 true false false 107 false false false false 0 0 true false false 108 false false false false 0 0 true false false 109 false false false false 0 0 true false false 110 false false false false 0 0 true false false 111 false false false false 0 0 true false false xbrli:stringItemType string Payment term of recievables. No authoritative reference available. false 1 Primarily euro , Canadian dollar , Norwegian krone , and British pound. 111 47 false Millions UnKnown UnKnown true true