 | jppfs_cor:ResidentialORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:CommercialAndIndustrialORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SoldPowerToOtherUtilitiesORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SoldPowerToOtherSuppliersORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:TransmissionRevenueORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:RevenueFromContractsToRecoverBackEndCostsRelatedToPastYearsPowerGenerationORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SettlementRevenueAmongUtilitiesORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:GrantUnderActOnPurchaseOfRenewableEnergySourcedElectricityORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:OtherElectricityRevenueORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:RevenueFromLoanedFacilitiesORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ResidentialORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:CommercialAndIndustrialORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SoldPowerToOtherUtilitiesORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SoldPowerToOtherSuppliersORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:TransmissionRevenueORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:RevenueFromContractsToRecoverBackEndCostsRelatedToPastYearsPowerGenerationORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SettlementRevenueAmongUtilitiesORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:GrantUnderActOnPurchaseOfRenewableEnergySourcedElectricityORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:OtherElectricityRevenueORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:RevenueFromLoanedFacilitiesORElectricELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:ResidentialORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:CommercialAndIndustrialORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SoldPowerToOtherUtilitiesORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SoldPowerToOtherSuppliersORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:TransmissionRevenueORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:RevenueFromContractsToRecoverBackEndCostsRelatedToPastYearsPowerGenerationORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SettlementRevenueAmongUtilitiesORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:GrantUnderActOnPurchaseOfRenewableEnergySourcedElectricityORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:OtherElectricityRevenueORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:RevenueFromLoanedFacilitiesORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ResidentialORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:CommercialAndIndustrialORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SoldPowerToOtherUtilitiesORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SoldPowerToOtherSuppliersORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:TransmissionRevenueORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:RevenueFromContractsToRecoverBackEndCostsRelatedToPastYearsPowerGenerationORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SettlementRevenueAmongUtilitiesORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:GrantUnderActOnPurchaseOfRenewableEnergySourcedElectricityORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:OtherElectricityRevenueORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:RevenueFromLoanedFacilitiesORElectricELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:ResidentialORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:CommercialAndIndustrialORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SoldPowerToOtherUtilitiesORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SoldPowerToOtherSuppliersORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:TransmissionRevenueORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:RevenueFromContractsToRecoverBackEndCostsRelatedToPastYearsPowerGenerationORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SettlementRevenueAmongUtilitiesORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:GrantUnderActOnPurchaseOfRenewableEnergySourcedElectricityORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:OtherElectricityRevenueORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:RevenueFromLoanedFacilitiesORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ResidentialORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:CommercialAndIndustrialORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SoldPowerToOtherUtilitiesORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SoldPowerToOtherSuppliersORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:TransmissionRevenueORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:RevenueFromContractsToRecoverBackEndCostsRelatedToPastYearsPowerGenerationORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SettlementRevenueAmongUtilitiesORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:GrantUnderActOnPurchaseOfRenewableEnergySourcedElectricityORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:OtherElectricityRevenueORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:RevenueFromLoanedFacilitiesORElectricELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:ResidentialORElectricELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:CommercialAndIndustrialORElectricELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:SoldPowerToOtherUtilitiesORElectricELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:SoldPowerToOtherSuppliersORElectricELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:TransmissionRevenueORElectricELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:RevenueFromContractsToRecoverBackEndCostsRelatedToPastYearsPowerGenerationORElectricELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:SettlementRevenueAmongUtilitiesORElectricELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:GrantUnderActOnPurchaseOfRenewableEnergySourcedElectricityORElectricELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:OtherElectricityRevenueORElectricELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:RevenueFromLoanedFacilitiesORElectricELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_StatementOfIncome-ListOfAccounts |