 | us-gaap:PipelinesMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:RefiningEquipmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:UpstreamEquipmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:DownstreamEquipmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:GasTransmissionEquipmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:GasDistributionEquipmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:ElectricTransmissionAndDistributionMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:ElectricGenerationEquipmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:NuclearFuelMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:GasGatheringAndProcessingEquipmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:MiningPropertiesAndMineralRightsMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:MineDevelopmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:OilAndGasPropertiesMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:DrillingRightsMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:WellsAndRelatedEquipmentAndFacilitiesMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:MarineServicesEquipmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:ExplorationAndProductionEquipmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:OtherEnergyEquipmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:GasTransmissionAndDistributionEquipmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
| us-gaap:ElectricGenerationTransmissionAndDistributionEquipmentMember | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
Index