Extractive Industries (ei) Presentation Networks

Line Image Concept Label Concept Type Period type Balance Concept name
* Network: (965000 - Disclosure - Extractive Industries)
1 us-gaap: Oil and Gas Exploration and Production Industries Disclosures [Text Block] us-types:textBlockItemType duration us-gaap:OilAndGasExplorationAndProductionIndustriesDisclosuresTextBlock
2 us-gaap: Oil and Gas Revenue [Abstract] xbrli:stringItemType duration us-gaap:OilAndGasRevenueAbstract
3 us-gaap: Oil and Gas Sales Revenue xbrli:monetaryItemType duration credit us-gaap:OilAndGasSalesRevenue
4 us-gaap: Synthetic Fuel Sales Revenue xbrli:monetaryItemType duration credit us-gaap:SyntheticFuelSalesRevenue
5 us-gaap: Other Alternative Energy Sales Revenue xbrli:monetaryItemType duration credit us-gaap:OtherAlternativeEnergySalesRevenue
6 us-gaap: Binder Sales Revenue xbrli:monetaryItemType duration credit us-gaap:BinderSalesRevenue
7 us-gaap: Exploration and Production Revenue xbrli:monetaryItemType duration credit us-gaap:ExplorationAndProductionRevenue
8 us-gaap: Natural Gas Midstream Revenue [Abstract] xbrli:stringItemType duration us-gaap:NaturalGasMidstreamRevenueAbstract
9 us-gaap: Natural Gas Storage Revenue xbrli:monetaryItemType duration credit us-gaap:NaturalGasStorageRevenue
10 us-gaap: Fractionation Revenue xbrli:monetaryItemType duration credit us-gaap:FractionationRevenue
11 us-gaap: Natural Gas Midstream Revenue, Total xbrli:monetaryItemType duration credit us-gaap:NaturalGasMidstreamRevenue
12 us-gaap: Refining and Marketing Revenue xbrli:monetaryItemType duration credit us-gaap:RefiningAndMarketingRevenue
13 us-gaap: Marine Services Revenue xbrli:monetaryItemType duration credit us-gaap:MarineServicesRevenue
14 us-gaap: Natural Gas Production Revenue xbrli:monetaryItemType duration credit us-gaap:NaturalGasProductionRevenue
15 us-gaap: Brokered Natural Gas Margin Revenue xbrli:monetaryItemType duration credit us-gaap:BrokeredNaturalGasMarginRevenue
16 us-gaap: Propane Revenue xbrli:monetaryItemType duration credit us-gaap:PropaneRevenue
17 us-gaap: Revenue from Purchased Oil and Gas xbrli:monetaryItemType duration credit us-gaap:RevenueFromPurchasedOilAndGas
18 us-gaap: Oil and Condensate Revenue xbrli:monetaryItemType duration credit us-gaap:OilAndCondensateRevenue
19 us-gaap: Gas Gathering, Transportation, Marketing and Processing Revenue xbrli:monetaryItemType duration credit us-gaap:GasGatheringTransportationMarketingAndProcessingRevenue
20 us-gaap: Oil and Gas Revenue, Total xbrli:monetaryItemType duration credit us-gaap:OilAndGasRevenue
21 us-gaap: Cost of Goods Sold, Oil and Gas [Abstract] xbrli:stringItemType duration us-gaap:CostOfGoodsSoldOilAndGasAbstract
22 us-gaap: Synthetic Fuel Costs xbrli:monetaryItemType duration debit us-gaap:SyntheticFuelCosts
23 us-gaap: Cost of Other Alternative Energy xbrli:monetaryItemType duration debit us-gaap:CostOfOtherAlternativeEnergy
24 us-gaap: Binder Costs xbrli:monetaryItemType duration debit us-gaap:BinderCosts
25 us-gaap: Facility Costs xbrli:monetaryItemType duration debit us-gaap:FacilityCosts
26 us-gaap: Refining and Marketing Costs xbrli:monetaryItemType duration debit us-gaap:RefiningAndMarketingCosts
27 us-gaap: Marine Services Costs xbrli:monetaryItemType duration debit us-gaap:MarineServicesCosts
28 us-gaap: Brokered Natural Gas Margin Costs xbrli:monetaryItemType duration debit us-gaap:BrokeredNaturalGasMarginCosts
29 us-gaap: Natural Gas Midstream Costs xbrli:monetaryItemType duration debit us-gaap:NaturalGasMidstreamCosts
30 us-gaap: Propane Costs xbrli:monetaryItemType duration debit us-gaap:PropaneCosts
31 us-gaap: Other Utility Costs xbrli:monetaryItemType duration debit us-gaap:OtherUtilityCosts
32 us-gaap: Exploration and Production Costs xbrli:monetaryItemType duration debit us-gaap:ExplorationAndProductionCosts
33 us-gaap: Oil and Gas Production Expense xbrli:monetaryItemType duration debit us-gaap:OilAndGasProductionExpense
34 us-gaap: Cost of Purchased Oil and Gas xbrli:monetaryItemType duration debit us-gaap:CostOfPurchasedOilAndGas
35 us-gaap: Oil and Gas Property, Lease Operating Expense xbrli:monetaryItemType duration debit us-gaap:LeaseOperatingExpense
36 us-gaap: Well Service Expense xbrli:monetaryItemType duration debit us-gaap:WellServiceExpense
37 us-gaap: Gas Gathering, Transportation, Marketing and Processing Costs xbrli:monetaryItemType duration debit us-gaap:GasGatheringTransportationMarketingAndProcessingCosts
38 us-gaap: Cost of Goods Sold, Oil and Gas, Total xbrli:monetaryItemType duration debit us-gaap:CostOfGoodsSoldOilAndGas
39 us-gaap: Oil and Gas Property, Successful Effort Method, Net [Abstract] xbrli:stringItemType duration us-gaap:OilAndGasPropertySuccessfulEffortMethodNetAbstract
40 us-gaap: Oil and Gas Property, Successful Effort Method, Gross [Abstract] xbrli:stringItemType duration us-gaap:OilAndGasPropertySuccessfulEffortMethodGrossAbstract
41 us-gaap: Unproved Oil and Gas Property, Successful Effort Method xbrli:monetaryItemType instant debit us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod
42 us-gaap: Proved Oil and Gas Property, Successful Effort Method xbrli:monetaryItemType instant debit us-gaap:ProvedOilAndGasPropertySuccessfulEffortMethod
43 us-gaap: Oil and Gas Property, Successful Effort Method, Gross, Total xbrli:monetaryItemType instant debit us-gaap:OilAndGasPropertySuccessfulEffortMethodGross
44 us-gaap: Oil and Gas Property, Successful Effort Method, Accumulated Impairment xbrli:monetaryItemType instant credit us-gaap:OilAndGasPropertySuccessfulEffortMethodAccumulatedImpairment
45 us-gaap: Oil and Gas Property, Successful Effort Method, Accumulated Depreciation, Depletion and Amortization xbrli:monetaryItemType instant credit us-gaap:OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization
46 us-gaap: Other Oil and Gas Property, Successful Effort Method xbrli:monetaryItemType instant debit us-gaap:OtherOilAndGasPropertySuccessfulEffortMethod
47 us-gaap: Oil and Gas Property, Successful Effort Method, Net, Total xbrli:monetaryItemType instant debit us-gaap:OilAndGasPropertySuccessfulEffortMethodNet
48 us-gaap: Proved Oil and Gas Reserve Quantities Disclosure [Text Block] us-types:textBlockItemType duration us-gaap:ProvedOilAndGasReserveQuantitiesDisclosureTextBlock
49 us-gaap: Schedule of Proved Developed and Undeveloped Oil and Gas Reserve Quantities [Text Block] us-types:textBlockItemType duration us-gaap:ScheduleOfProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTextBlock
50 us-gaap: Proved Developed and Undeveloped Oil and Gas Reserve Quantities [Table] xbrli:stringItemType duration us-gaap:ProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable
51 us-gaap: Reserve Quantities by Geographic Area [Axis] xbrli:stringItemType duration us-gaap:ReserveQuantitiesByGeographicAreaAxis
52 us-gaap: Geographic Area for Oil and Gas Disclosures [Domain] us-types:domainItemType duration us-gaap:GeographicAreaForOilAndGasDisclosuresDomain
53 us-gaap: Reserve Quantities by Type of Reserve [Axis] xbrli:stringItemType duration us-gaap:ReserveQuantitiesByTypeOfReserveAxis
54 us-gaap: Type of Reserve [Domain] us-types:domainItemType duration us-gaap:TypeOfReserveDomain
55 us-gaap: Oil Reserves [Member] us-types:domainItemType duration us-gaap:OilReservesMember
56 us-gaap: Natural Gas Reserves [Member] us-types:domainItemType duration us-gaap:NaturalGasReservesMember
57 us-gaap: Natural Gas Liquids Reserves [Member] us-types:domainItemType duration us-gaap:NaturalGasLiquidsReservesMember
58 us-gaap: Reserve Quantities [Line Items] xbrli:stringItemType duration us-gaap:ReserveQuantitiesLineItems
59 us-gaap: Reserves, Unit of Measure xbrli:stringItemType duration us-gaap:ReservesUnitOfMeasure
60 us-gaap: Proved Developed Reserves (Volume) us-types:volumeItemType instant us-gaap:ProvedDevelopedReservesVolume
61 us-gaap: Proved Developed Reserves (BOE) us-types:boeItemType instant us-gaap:ProvedDevelopedReservesBOE
62 us-gaap: Proved Undeveloped Reserves (Volume) us-types:volumeItemType duration us-gaap:ProvedUndevelopedReservesVolume
63 us-gaap: Proved Undeveloped Reserves (BOE) us-types:boeItemType duration us-gaap:ProvedUndevelopedReservesBOE
64 us-gaap: Proved Reserve Quantities of Oil and Gas Applicable to Long-term Supply Agreements with Governments or Authorities xbrli:stringItemType duration us-gaap:ProvedReserveQuantitiesOfOilAndGasApplicableToLongTermSupplyAgreementsWithGovernmentsOrAuthorities
65 us-gaap: Quantities of Oil and Gas Received under Long-term Supply Agreements with Governments or Authorities xbrli:stringItemType duration us-gaap:QuantitiesOfOilAndGasReceivedUnderLongTermSupplyAgreementsWithGovernmentsOrAuthorities
66 us-gaap: Reserves, Proportional Interest of Net Proved Reserve Quantities of Proportionately Consolidated Investees xbrli:integerItemType instant us-gaap:ReservesProportionalInterestOfNetProvedReserveQuantitiesOfProportionatelyConsolidatedInvestees
67 us-gaap: Reserves Attributable to Consolidated Subsidiary with Significant Noncontrolling Interest xbrli:stringItemType duration us-gaap:ReservesAttributableToConsolidatedSubsidiaryWithSignificantMinorityInterest
68 us-gaap: Reserves, Share of Equity Method Investee's Net Proved Oil and Gas Reserves xbrli:decimalItemType instant us-gaap:ReservesShareOfEquityMethodInvesteesNetProvedOilAndGasReserves
69 us-gaap: Increase (Decrease) in Proved Developed and Undeveloped Reserves [Roll Forward] xbrli:stringItemType duration us-gaap:IncreaseDecreaseInProvedDevelopedAndUndevelopedReservesRollForward
70 us-gaap: Proved Developed and Undeveloped Reserves, Net, Beginning Balance xbrli:decimalItemType instant us-gaap:ProvedDevelopedAndUndevelopedReservesNet
71 us-gaap: Proved Developed and Undeveloped Reserves, Revisions of Previous Estimates Increase (Decrease) xbrli:decimalItemType duration us-gaap:ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease
72 us-gaap: Proved Developed and Undeveloped Reserves, Improved Recovery xbrli:decimalItemType duration us-gaap:ProvedDevelopedAndUndevelopedReservesImprovedRecovery
73 us-gaap: Proved Developed and Undeveloped Reserves, Purchases of Minerals in Place xbrli:decimalItemType duration us-gaap:ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlace
74 us-gaap: Proved Developed and Undeveloped Reserves, Extensions, Discoveries, and Additions xbrli:decimalItemType duration us-gaap:ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions
75 us-gaap: Proved Developed and Undeveloped Reserves, Production xbrli:decimalItemType duration us-gaap:ProvedDevelopedAndUndevelopedReservesProduction
76 us-gaap: Proved Developed and Undeveloped Reserves, Sales of Minerals in Place xbrli:decimalItemType duration us-gaap:ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlace
77 us-gaap: Proved Developed and Undeveloped Reserves, Period Increase (Decrease), Total xbrli:decimalItemType duration us-gaap:ProvedDevelopedAndUndevelopedReservesPeriodIncreaseDecrease
78 us-gaap: Proved Developed and Undeveloped Reserves, Net, Ending Balance xbrli:decimalItemType instant us-gaap:ProvedDevelopedAndUndevelopedReservesNet
79 us-gaap: Disclosure of Other Reserve Information [Abstract] xbrli:stringItemType duration us-gaap:DisclosureOfOtherReserveInformationAbstract
80 us-gaap: Reserves Related to Royalty Interests Not Available xbrli:stringItemType duration us-gaap:ReservesRelatedToRoyaltyInterestsNotAvailable
81 us-gaap: Description of Significant Changes in Reserves Quantities or Significant Factors or Uncertainties that May Affect Proved Reserves xbrli:stringItemType duration us-gaap:DescriptionOfSignificantChangesInReservesQuantitiesOrSignificantFactorsOrUncertaintiesThatMayAffectProvedReserves
82 us-gaap: Government Restrictions on Disclosure of Estimated Reserves or Disclosure of Reserves Other than Proved xbrli:stringItemType duration us-gaap:GovernmentRestrictionsOnDisclosureOfEstimatedReservesOrDisclosureOfReservesOtherThanProved
83 us-gaap: Disclosure of Certain Methane Gas Reserves xbrli:stringItemType duration us-gaap:DisclosureOfCertainMethaneGasReserves
84 us-gaap: Disclosure of Reserve Information for Cost-of-service Oil and Gas Producing Properties of Rate Regulated Companies xbrli:stringItemType duration us-gaap:DisclosureOfReserveInformationForCostOfServiceOilAndGasProducingPropertiesOfRateRegulatedCompanies
85 us-gaap: NGL Reserves Not Clearly Attributable to Leasehold Interests xbrli:stringItemType duration us-gaap:NGLReservesNotClearlyAttributableToLeaseholdInterests
86 us-gaap: Full Cost Method of Accounting for Investments in Oil and Gas Properties Disclosure [Text Block] us-types:textBlockItemType duration us-gaap:FullCostMethodOfAccountingForInvestmentsInOilAndGasPropertiesDisclosureTextBlock
87 us-gaap: Schedule of Amortization Expense Per Unit of Production [Text Block] us-types:textBlockItemType duration us-gaap:ScheduleOfAmortizationExpensePerUnitOfProductionTextBlock
88 us-gaap: Amortization Expense Per Unit of Production [Table] xbrli:stringItemType duration us-gaap:AmortizationExpensePerUnitOfProductionTable
89 us-gaap: Amortization Expense Per Unit of Production by Cost Center [Axis] xbrli:stringItemType duration us-gaap:AmortizationExpensePerUnitOfProductionByCostCenterAxis
90 us-gaap: Cost Center for Oil and Gas Disclosures [Domain] us-types:domainItemType duration us-gaap:CostCenterForOilAndGasDisclosuresDomain
91 us-gaap: Amortization Expense Per Equivalent Unit of Production or Per Dollar of Gross Revenue [Line Items] xbrli:stringItemType duration us-gaap:AmortizationExpensePerEquivalentUnitOfProductionOrPerDollarOfGrossRevenueLineItems
92 us-gaap: Amortization Expense Per Physical Unit of Production us-types:perUnitItemType instant us-gaap:AmortizationExpensePerPhysicalUnitOfProduction
93 us-gaap: Physical Unit of Production xbrli:stringItemType duration us-gaap:PhysicalUnitOfProduction
94 us-gaap: Amortization Expense Per Dollar of Gross Revenue xbrli:monetaryItemType instant debit us-gaap:AmortizationExpensePerDollarOfGrossRevenue
95 us-gaap: Schedule of Capitalized Costs of Unproved Properties Excluded from Amortization [Text Block] us-types:textBlockItemType duration us-gaap:ScheduleOfCapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationTextBlock
96 us-gaap: Capitalized Costs of Unproved Properties Excluded from Amortization [Table] xbrli:stringItemType duration us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationTable
97 us-gaap: Capitalized Costs of Unproved Properties Excluded from Amortization by Property or Project [Axis] xbrli:stringItemType duration us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis
98 us-gaap: Unproved Oil and Gas Property or Major Project [Domain] us-types:domainItemType duration us-gaap:UnprovedOilAndGasPropertyOrMajorProjectDomain
99 us-gaap: Capitalized Costs of Unproved Properties Excluded from Amortization [Line Items] xbrli:stringItemType duration us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationLineItems
100 us-gaap: Capitalized Costs of Unproved Properties Excluded from Amortization [Abstract] xbrli:stringItemType duration us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationAbstract
101 us-gaap: Acquisition Costs xbrli:monetaryItemType duration debit us-gaap:AcquisitionCosts
102 us-gaap: Exploration Costs xbrli:monetaryItemType duration debit us-gaap:ExplorationCosts
103 us-gaap: Development Costs xbrli:monetaryItemType duration debit us-gaap:DevelopmentCosts
104 us-gaap: Production Costs xbrli:monetaryItemType duration debit us-gaap:ProductionCosts
105 us-gaap: Capitalized Costs of Unproved Properties Excluded from Amortization, Total xbrli:monetaryItemType duration debit us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization
106 us-gaap: Description of Current Status of Project xbrli:stringItemType duration us-gaap:DescriptionOfCurrentStatusOfProject
107 us-gaap: Anticipated Timing of Inclusion of Costs in Amortization Calculation xbrli:stringItemType duration us-gaap:AnticipatedTimingOfInclusionOfCostsInAmortizationCalculation
108 us-gaap: Effects of Using Cash Flow Hedges in Calculating Ceiling Limitations [Text Block] us-types:textBlockItemType duration us-gaap:EffectsOfUsingCashFlowHedgesInCalculatingCeilingLimitationsTextBlock
109 us-gaap: Portion of Future Oil and Gas Production Being Hedged xbrli:decimalItemType instant us-gaap:PortionOfFutureOilAndGasProductionBeingHedged
110 us-gaap: Effects of Cash Flow Hedges Not Considered in Calculating Ceiling Limitation, Amount xbrli:monetaryItemType instant us-gaap:EffectsOfCashFlowHedgesNotConsideredInCalculatingCeilingLimitationAmount
111 us-gaap: Unamortized Costs Capitalized Exceed Ceiling Limitations [Abstract] xbrli:stringItemType duration us-gaap:UnamortizedCostsCapitalizedExceedCeilingLimitationsAbstract
112 us-gaap: Unamortized Costs Capitalized Less Related Deferred Income Taxes Exceed Ceiling Limitations, Cost Center xbrli:stringItemType duration us-gaap:UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationsCostCenter
113 us-gaap: Unamortized Costs Capitalized Less Related Deferred Income Taxes Exceed Ceiling Limitations, Expense xbrli:stringItemType duration us-gaap:UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationsExpense
114 us-gaap: Unamortized Costs Capitalized Less Related Deferred Income Taxes Exceed Ceiling Limitations, Explanation of Expense Not Charged xbrli:stringItemType duration us-gaap:UnamortizedCostsCapitalizedLessRelatedDeferredIncomeTaxesExceedCeilingLimitationsExplanationOfExpenseNotCharged
115 us-gaap: Capitalized Costs Relating to Oil and Gas Producing Activities Disclosure [Text Block] us-types:textBlockItemType duration us-gaap:CapitalizedCostsRelatingToOilAndGasProducingActivitiesDisclosureTextBlock
116 us-gaap: Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Table] xbrli:stringItemType duration us-gaap:CapitalizedCostsRelatingToOilAndGasProducingActivitiesByGeographicAreaTable
117 us-gaap: Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Axis] xbrli:stringItemType duration us-gaap:CapitalizedCostsRelatingToOilAndGasProducingActivitiesByGeographicAreaAxis
118 us-gaap: Geographic Area for Oil and Gas Disclosures [Domain] us-types:domainItemType duration us-gaap:GeographicAreaForOilAndGasDisclosuresDomain
119 us-gaap: Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] xbrli:stringItemType duration us-gaap:CapitalizedCostsRelatingToOilAndGasProducingActivitiesByGeographicAreaLineItems
120 us-gaap: Capitalized Costs, Oil and Gas Producing Activities, Net [Abstract] xbrli:stringItemType duration us-gaap:CapitalizedCostsOilAndGasProducingActivitiesNetAbstract
121 us-gaap: Capitalized Costs, Oil and Gas Producing Activities, Gross [Abstract] xbrli:stringItemType duration us-gaap:CapitalizedCostsOilAndGasProducingActivitiesGrossAbstract
122 us-gaap: Capitalized Costs, Mineral Interests in Unproved Properties xbrli:monetaryItemType instant debit us-gaap:CapitalizedCostsMineralInterestsInUnprovedProperties
123 us-gaap: Capitalized Costs, Mineral Interests in Proved Properties xbrli:monetaryItemType instant debit us-gaap:CapitalizedCostsMineralInterestsInProvedProperties
124 us-gaap: Capitalized Costs, Wells and Related Equipment and Facilities xbrli:monetaryItemType instant debit us-gaap:CapitalizedCostsWellsAndRelatedEquipmentAndFacilities
125 us-gaap: Capitalized Costs, Support Equipment and Facilities xbrli:monetaryItemType instant debit us-gaap:CapitalizedCostsSupportEquipmentAndFacilities
126 us-gaap: Capitalized Costs, Uncompleted Wells, Equipment and Facilities xbrli:monetaryItemType instant debit us-gaap:CapitalizedCostsUncompletedWellsEquipmentAndFacilities
127 us-gaap: Capitalized Costs, Unproved Properties xbrli:monetaryItemType instant debit us-gaap:CapitalizedCostsUnprovedProperties
128 us-gaap: Capitalized Costs, Proved Properties xbrli:monetaryItemType instant debit us-gaap:CapitalizedCostsProvedProperties
129 us-gaap: Capitalized Costs, Asset Retirement Costs xbrli:monetaryItemType instant debit us-gaap:CapitalizedCostsAssetRetirementCosts
130 us-gaap: Capitalized Costs, Oil and Gas Producing Activities, Gross, Total xbrli:monetaryItemType instant debit us-gaap:CapitalizedCostsOilAndGasProducingActivitiesGross
131 us-gaap: Capitalized Costs, Accumulated Depreciation, Depletion, Amortization and Valuation Allowance for Relating to Oil and Gas Producing Activities xbrli:monetaryItemType instant credit us-gaap:CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
132 us-gaap: Capitalized Costs, Oil and Gas Producing Activities, Net, Total xbrli:monetaryItemType instant debit us-gaap:CapitalizedCostsOilAndGasProducingActivitiesNet
133 us-gaap: Share of Equity Method Investees Net Capitalized Costs Relating to Oil and Gas Producing Activities xbrli:monetaryItemType duration debit us-gaap:ShareOfEquityMethodInvesteesNetCapitalizedCostsRelatingToOilAndGasProducingActivities
134 us-gaap: Cost Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities Disclosure [Text Block] us-types:textBlockItemType duration us-gaap:CostIncurredInOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesDisclosureTextBlock
135 us-gaap: Costs Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities [Table] xbrli:stringItemType duration us-gaap:CostsIncurredInOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesTable
136 us-gaap: Costs Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities by Geographic Area [Axis] xbrli:stringItemType duration us-gaap:CostsIncurredInOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesByGeographicAreaAxis
137 us-gaap: Geographic Area for Oil and Gas Disclosures [Domain] us-types:domainItemType duration us-gaap:GeographicAreaForOilAndGasDisclosuresDomain
138 us-gaap: Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items] xbrli:stringItemType duration us-gaap:CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesLineItems
139 us-gaap: Costs Incurred, Acquisition of Oil and Gas Properties [Abstract] xbrli:stringItemType duration us-gaap:CostsIncurredAcquisitionOfOilAndGasPropertiesAbstract
140 us-gaap: Costs Incurred, Acquisition of Unproved Oil and Gas Properties xbrli:monetaryItemType duration debit us-gaap:CostsIncurredAcquisitionOfUnprovedOilAndGasProperties
141 us-gaap: Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves xbrli:monetaryItemType duration debit us-gaap:CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves
142 us-gaap: Costs Incurred, Acquisition of Oil and Gas Properties, Total xbrli:monetaryItemType duration debit us-gaap:CostsIncurredAcquisitionOfOilAndGasProperties
143 us-gaap: Costs Incurred, Exploration Costs xbrli:monetaryItemType duration debit us-gaap:CostsIncurredExplorationCosts
144 us-gaap: Costs Incurred, Development Costs xbrli:monetaryItemType duration debit us-gaap:CostsIncurredDevelopmentCosts
145 us-gaap: Costs Incurred, Asset Retirement Obligation Incurred xbrli:monetaryItemType duration debit us-gaap:CostsIncurredAssetRetirementObligationIncurred
146 us-gaap: Share of Equity Method Investees' Property Acquisition, Exploration, and Development Costs Incurred in Oil and Gas Producing Activities xbrli:monetaryItemType duration debit us-gaap:ShareOfEquityMethodInvesteesPropertyAcquisitionExplorationAndDevelopmentCostsIncurredInOilAndGasProducingActivities
147 us-gaap: Results of Operations for Oil and Gas Producing Activities Disclosure [Text Block] us-types:textBlockItemType duration us-gaap:ResultsOfOperationsForOilAndGasProducingActivitiesDisclosureTextBlock
148 us-gaap: Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Table] xbrli:stringItemType duration us-gaap:ResultsOfOperationsForOilAndGasProducingActivitiesByGeographicAreaTable
149 us-gaap: Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Axis] xbrli:stringItemType duration us-gaap:ResultsOfOperationsForOilAndGasProducingActivitiesByGeographicAreaAxis
150 us-gaap: Geographic Area for Oil and Gas Disclosures [Domain] us-types:domainItemType duration us-gaap:GeographicAreaForOilAndGasDisclosuresDomain
151 us-gaap: Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items] xbrli:stringItemType duration us-gaap:ResultsOfOperationsForOilAndGasProducingActivitiesByGeographicAreaLineItems
152 us-gaap: Results of Operations, Oil and Gas Producing Activities Net Income (Excluding Corporate Overhead and Interest Costs) [Abstract] xbrli:stringItemType duration us-gaap:ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCostsAbstract
153 us-gaap: Results of Operations, Income before Income Taxes [Abstract] xbrli:stringItemType duration us-gaap:ResultsOfOperationsIncomeBeforeIncomeTaxesAbstract
154 us-gaap: Results of Operations, Revenue from Oil and Gas Producing Activities [Abstract] xbrli:stringItemType duration us-gaap:ResultsOfOperationsRevenueFromOilAndGasProducingActivitiesAbstract
155 us-gaap: Results of Operations, Sales Revenue to Unaffiliated Enterprises xbrli:monetaryItemType duration credit us-gaap:ResultsOfOperationsSalesRevenueToUnaffiliatedEnterprises
156 us-gaap: Results of Operations, Sales or Transfers to Entity's Other Operations xbrli:monetaryItemType duration credit us-gaap:ResultsOfOperationsSalesOrTransfersToEntitysOtherOperations
157 us-gaap: Results of Operations, Revenue, Other xbrli:monetaryItemType duration credit us-gaap:ResultsOfOperationsRevenueOther
158 us-gaap: Results of Operations, Revenue from Oil and Gas Producing Activities, Total xbrli:monetaryItemType duration credit us-gaap:ResultsOfOperationsRevenueFromOilAndGasProducingActivities
159 us-gaap: Results of Operations, Production or Lifting Costs xbrli:monetaryItemType duration debit us-gaap:ResultsOfOperationsProductionOrLiftingCosts
160 us-gaap: Results of Operations, Exploration Expense xbrli:monetaryItemType duration debit us-gaap:ResultsOfOperationsExplorationExpense
161 us-gaap: Results of Operations, Dry Hole Costs xbrli:monetaryItemType duration debit us-gaap:ResultsOfOperationsDryHoleCosts
162 us-gaap: Results of Operations, Transportation Costs xbrli:monetaryItemType duration debit us-gaap:ResultsOfOperationsTransportationCosts
163 us-gaap: Results of Operations, Depreciation, Depletion and Amortization, and Valuation Provisions xbrli:monetaryItemType duration debit us-gaap:ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions
164 us-gaap: Results of Operations, Impairment of Oil and Gas Properties xbrli:monetaryItemType duration debit us-gaap:ResultsOfOperationsImpairmentOfOilAndGasProperties
165 us-gaap: Results of Operations, Accretion of Asset Retirement Obligations xbrli:monetaryItemType duration debit us-gaap:ResultsOfOperationsAccretionOfAssetRetirementObligations
166 us-gaap: Results of Operations, General and Administrative Related to Oil and Gas Producing Activities xbrli:monetaryItemType duration debit us-gaap:ResultsOfOperationsGeneralAndAdministrativeRelatedToOilAndGasProducingActivities
167 us-gaap: Results of Operations, Expense, Other xbrli:monetaryItemType duration debit us-gaap:ResultsOfOperationsExpenseOther
168 us-gaap: Results of Operations, Income before Income Taxes, Total xbrli:monetaryItemType duration credit us-gaap:ResultsOfOperationsIncomeBeforeIncomeTaxes
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331 us-gaap: Coal Products and Services Revenue xbrli:monetaryItemType duration credit us-gaap:CoalProductsAndServicesRevenue
332 us-gaap: Chemicals Revenue xbrli:monetaryItemType duration credit us-gaap:ChemicalsRevenue
333 us-gaap: Revenue Mineral Sales, Total xbrli:monetaryItemType duration credit us-gaap:RevenueMineralSales
334 us-gaap: Secondary Processing Revenue xbrli:monetaryItemType duration credit us-gaap:SecondaryProcessingRevenue
335 us-gaap: Mineral Extraction Processing and Marketing Costs [Abstract] xbrli:stringItemType duration us-gaap:MineralExtractionProcessingAndMarketingCostsAbstract
336 us-gaap: Cost of Gold Products and Services xbrli:monetaryItemType duration debit us-gaap:CostOfGoldProductsAndServices
337 us-gaap: Cost of Coal Products and Services xbrli:monetaryItemType duration debit us-gaap:CostOfCoalProductsAndServices
338 us-gaap: Cost of Chemicals xbrli:monetaryItemType duration debit us-gaap:CostOfChemicals
339 us-gaap: Costs of Metals Sold xbrli:monetaryItemType duration debit us-gaap:CostsOfMetalsSold
340 us-gaap: Mineral Extraction Processing and Marketing Costs, Total xbrli:monetaryItemType duration debit us-gaap:MineralExtractionProcessingAndMarketingCosts