 | jppfs_cor:LongTermInvestmentsELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:StocksOfParentCompanyIOA | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:AccountsReceivableNuclearPowerCompensationSubsidyELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:GrantsInAidReceivableFromNuclearDamageCompensationFacilitationCorporationIOAELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:LongTermPrepaidExpenses | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:DeferredTaxAssets | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:AllowanceForDoubtfulAccountsIOAByGroup | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:LongTermInvestmentsELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:LongTermInvestmentForSubsidiariesAndAffiliatesELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:StocksOfParentCompanyIOA | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:AccountsReceivableNuclearPowerCompensationSubsidyELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:GrantsInAidReceivableFromNuclearDamageCompensationFacilitationCorporationIOAELE | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:LongTermPrepaidExpenses | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:PrepaidPensionCostIOA | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:DeferredTaxAssets | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:AllowanceForDoubtfulAccountsIOAByGroup | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:LongTermInvestmentsELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:StocksOfParentCompanyIOA | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:AccountsReceivableNuclearPowerCompensationSubsidyELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:GrantsInAidReceivableFromNuclearDamageCompensationFacilitationCorporationIOAELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:LongTermPrepaidExpenses | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:DeferredTaxAssets | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:AllowanceForDoubtfulAccountsIOAByGroup | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:LongTermInvestmentsELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:LongTermInvestmentForSubsidiariesAndAffiliatesELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:StocksOfParentCompanyIOA | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:AccountsReceivableNuclearPowerCompensationSubsidyELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:GrantsInAidReceivableFromNuclearDamageCompensationFacilitationCorporationIOAELE | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:LongTermPrepaidExpenses | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:PrepaidPensionCostIOA | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:DeferredTaxAssets | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:AllowanceForDoubtfulAccountsIOAByGroup | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:LongTermInvestmentsELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:StocksOfParentCompanyIOA | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:AccountsReceivableNuclearPowerCompensationSubsidyELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:GrantsInAidReceivableFromNuclearDamageCompensationFacilitationCorporationIOAELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:LongTermPrepaidExpenses | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:DeferredTaxAssets | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:AllowanceForDoubtfulAccountsIOAByGroup | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:LongTermInvestmentsELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:LongTermInvestmentForSubsidiariesAndAffiliatesELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:StocksOfParentCompanyIOA | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:AccountsReceivableNuclearPowerCompensationSubsidyELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:GrantsInAidReceivableFromNuclearDamageCompensationFacilitationCorporationIOAELE | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:LongTermPrepaidExpenses | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:PrepaidPensionCostIOA | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:DeferredTaxAssets | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:AllowanceForDoubtfulAccountsIOAByGroup | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:LongTermInvestmentsELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_BalanceSheet-ListOfAccounts |
 | jppfs_cor:LongTermInvestmentForSubsidiariesAndAffiliatesELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_BalanceSheet-ListOfAccounts |
 | jppfs_cor:StocksOfParentCompanyIOA | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_BalanceSheet-ListOfAccounts |
 | jppfs_cor:ReserveFundForReprocessingOfIrradiatedNuclearFuelIOAELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_BalanceSheet-ListOfAccounts |
 | jppfs_cor:AccountsReceivableNuclearPowerCompensationSubsidyELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_BalanceSheet-ListOfAccounts |
 | jppfs_cor:GrantsInAidReceivableFromNuclearDamageCompensationFacilitationCorporationIOAELE | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_BalanceSheet-ListOfAccounts |
 | jppfs_cor:LongTermPrepaidExpenses | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_BalanceSheet-ListOfAccounts |
 | jppfs_cor:PrepaidPensionCostIOA | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_BalanceSheet-ListOfAccounts |
 | jppfs_cor:DeferredTaxAssets | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_BalanceSheet-ListOfAccounts |
 | jppfs_cor:AllowanceForDoubtfulAccountsIOAByGroup | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_ele_BalanceSheet-ListOfAccounts |