 | jppfs_cor:OtherComprehensiveIncomeAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ComprehensiveIncome | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ComprehensiveIncomeAttributableToAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:OtherComprehensiveIncomeAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ComprehensiveIncome | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ComprehensiveIncomeAttributableToAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SellingGeneralAndAdministrativeExpensesAbstractGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:NetSales | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:CostOfSales | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:GrossProfit | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ProfitAttributableToAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:OperatingIncome | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:NonOperatingIncomeAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:NonOperatingExpensesAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:OrdinaryIncome | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ExtraordinaryIncomeAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ExtraordinaryLossAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:IncomeBeforeIncomeTaxes | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:IncomeTaxesCurrent | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:IncomeTaxesDeferred | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:IncomeTaxes | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ProfitLoss | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SalesFromGasBusinessGASAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SupplyAndSalesExpensesGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:GeneralAndAdministrativeExpensesGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SellingGeneralAndAdministrativeExpensesGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:IncomeOnCoreBusinessGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:MiscellaneousOperatingRevenueAbstractGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:MiscellaneousOperatingExpensesAbstractGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:RevenueForIncidentalBusinessesAbstractGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:ExpensesForIncidentalBusinessesAbstractGAS | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:CostOfSalesAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:GrossProfit | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:OperatingIncome | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:NonOperatingIncomeAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:NonOperatingExpensesAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:OrdinaryIncome | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:ExtraordinaryIncomeAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:ExtraordinaryLossAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:IncomeBeforeIncomeTaxes | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:IncomeTaxesCurrent | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:IncomeTaxesDeferred | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:IncomeTaxes | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:ProfitLoss | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:OtherComprehensiveIncomeAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ComprehensiveIncome | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ComprehensiveIncomeAttributableToAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:OtherComprehensiveIncomeAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ComprehensiveIncome | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ComprehensiveIncomeAttributableToAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SellingGeneralAndAdministrativeExpensesAbstractGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:NetSales | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:CostOfSales | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:GrossProfit | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ProfitAttributableToAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:IncomeTaxesCurrent | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:IncomeTaxesDeferred | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:OperatingIncome | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:NonOperatingIncomeAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:NonOperatingExpensesAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:OrdinaryIncome | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ExtraordinaryIncomeAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ExtraordinaryLossAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:IncomeBeforeIncomeTaxes | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:IncomeTaxes | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:ProfitLoss | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
 | jppfs_cor:SupplyAndSalesExpensesGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:GeneralAndAdministrativeExpensesGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SellingGeneralAndAdministrativeExpensesGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SalesFromGasBusinessGASAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:IncomeOnCoreBusinessGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:MiscellaneousOperatingRevenueAbstractGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:MiscellaneousOperatingExpensesAbstractGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:RevenueForIncidentalBusinessesAbstractGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:ExpensesForIncidentalBusinessesAbstractGAS | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:GrossProfit | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:IncomeTaxesCurrent | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:IncomeTaxesDeferred | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:CostOfSalesAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:OperatingIncome | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:NonOperatingIncomeAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:NonOperatingExpensesAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:OrdinaryIncome | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:ExtraordinaryIncomeAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:ExtraordinaryLossAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:IncomeBeforeIncomeTaxes | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:IncomeTaxes | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:ProfitLoss | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome |
 | jppfs_cor:SalesFromGasBusinessGASAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:ProductSalesAbstractGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:SellingGeneralAndAdministrativeExpensesAbstractGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:IncomeOnCoreBusinessGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:MiscellaneousOperatingRevenueAbstractGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:MiscellaneousOperatingExpensesAbstractGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:RevenueForIncidentalBusinessesAbstractGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:ExpensesForIncidentalBusinessesAbstractGAS | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:NetSales | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:GrossProfit | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:CostOfSalesAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:OperatingIncome | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:NonOperatingIncomeAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:NonOperatingExpensesAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:OrdinaryIncome | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:ExtraordinaryIncomeAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:ExtraordinaryLossAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:IncomeBeforeIncomeTaxes | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:IncomeTaxes | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:ProfitLoss | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_gas_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:RevenueFromOperatingActivitiesAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:COSAndExpensesFromOperatingActivitiesAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:OperatingGrossProfit | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:IncomeBeforeDividendsDistributionFromSilentPartnershipIncomeTaxes | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:DividendsDistributionFromSilentPartnership | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:GrossProfit | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:SellingGeneralAndAdministrativeExpensesAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:OtherComprehensiveIncomeAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:ComprehensiveIncome | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:OperatingIncome | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:NonOperatingIncomeAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:NonOperatingExpensesAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:OrdinaryIncome | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:ExtraordinaryIncomeAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:ExtraordinaryLossAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:IncomeBeforeIncomeTaxes | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:IncomeTaxes | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |
 | jppfs_cor:ProfitLoss | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_StatementOfIncome-ListOfAccounts |