 | jppfs_cor:ProductionFacilitiesPPEGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:NaturalGasGatheringFacilitiesPPEGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:DistributionFacilitiesPPEGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:ServiceAndMaintenanceFacilitiesPPEGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:FacilitiesForIncidentalBusinessesPPEGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:InactiveFacilitiesPPEGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:ConstructionInProgress | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:PropertyPlantAndEquipment | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:ProductionFacilitiesPPEGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:NaturalGasGatheringFacilitiesPPEGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:DistributionFacilitiesPPEGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:ServiceAndMaintenanceFacilitiesPPEGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:FacilitiesForIncidentalBusinessesPPEGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:InactiveFacilitiesPPEGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:ConstructionInProgress | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:PropertyPlantAndEquipment | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:ProductionFacilitiesPPEGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:NaturalGasGatheringFacilitiesPPEGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:DistributionFacilitiesPPEGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:ServiceAndMaintenanceFacilitiesPPEGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:FacilitiesForIncidentalBusinessesPPEGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:InactiveFacilitiesPPEGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:ConstructionInProgress | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:PropertyPlantAndEquipment | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:ProductionFacilitiesPPEGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:NaturalGasGatheringFacilitiesPPEGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:DistributionFacilitiesPPEGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:ServiceAndMaintenanceFacilitiesPPEGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:FacilitiesForIncidentalBusinessesPPEGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:InactiveFacilitiesPPEGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:ConstructionInProgress | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:PropertyPlantAndEquipment | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:ProductionFacilitiesPPEGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_BalanceSheet-ListOfAccounts |
 | jppfs_cor:NaturalGasGatheringFacilitiesPPEGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_BalanceSheet-ListOfAccounts |
 | jppfs_cor:DistributionFacilitiesPPEGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_BalanceSheet-ListOfAccounts |
 | jppfs_cor:ServiceAndMaintenanceFacilitiesPPEGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_BalanceSheet-ListOfAccounts |
 | jppfs_cor:FacilitiesForIncidentalBusinessesPPEGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_BalanceSheet-ListOfAccounts |
 | jppfs_cor:InactiveFacilitiesPPEGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_BalanceSheet-ListOfAccounts |
 | jppfs_cor:OtherFacilitiesPPEGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_BalanceSheet-ListOfAccounts |
 | jppfs_cor:ConstructionInProgress | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_BalanceSheet-ListOfAccounts |
 | jppfs_cor:PropertyPlantAndEquipment | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_BalanceSheet-ListOfAccounts |
 | jppfs_cor:BuildingsAndOtherFacilitiesHeatingIlluminationVentilationAndOtherPPEAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:Structures | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:BuildingsAndStructures | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:MachineryEquipmentAndOtherFacilitiesConveyorHoistCraneAndOtherPPEAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:VesselsAndWaterDeliveryEquipmentPPEAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:RailwayCarAndOtherLandDeliveryEquipmentPPEAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:ToolsFurnitureAndFixtures | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:MachineryEquipmentAndVehicles | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:VehiclesToolsFurnitureAndFixtures | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:MachineryVehiclesToolsFurnitureAndFixtures | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:Land | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:LeaseAssetsPPE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:ConstructionInProgress | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:OtherTangibleAssetsNotCurrentOrInvestmentsAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:AccumulatedDepreciationPPEByGroup | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:AccumulatedImpairmentLossPPEByGroup | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:AccumulatedDepreciationAndImpairmentLossPPEByGroup | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:PropertyPlantAndEquipment | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |