 | jppfs_cor:NetDefinedBenefitLiability | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
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 | jppfs_cor:LongTermLoansPayable | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
 | jppfs_cor:LeaseObligationsNCL | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
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 | jppfs_cor:AssetRetirementObligationsNCL | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
 | jppfs_cor:OtherNCL | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
 | jppfs_cor:NoncurrentLiabilities | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
 | jppfs_cor:BondsPayable | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
 | jppfs_cor:LongTermLoansPayable | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
 | jppfs_cor:LeaseObligationsNCL | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
 | jppfs_cor:ProvisionNCL | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
 | jppfs_cor:AssetRetirementObligationsNCL | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
 | jppfs_cor:OtherNCL | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
 | jppfs_cor:NoncurrentLiabilities | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
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 | jppfs_cor:LongTermLoansPayable | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
 | jppfs_cor:ProvisionNCL | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
 | jppfs_cor:OtherNCL | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
 | jppfs_cor:NetDefinedBenefitLiability | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
 | jppfs_cor:LeaseObligationsNCL | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
 | jppfs_cor:AssetRetirementObligationsNCL | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
 | jppfs_cor:NoncurrentLiabilities | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualConsolidatedBalanceSheet |
 | jppfs_cor:BondsPayable | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
 | jppfs_cor:LongTermLoansPayable | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
 | jppfs_cor:ProvisionNCL | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
 | jppfs_cor:OtherNCL | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
 | jppfs_cor:LeaseObligationsNCL | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
 | jppfs_cor:AssetRetirementObligationsNCL | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |
 | jppfs_cor:NoncurrentLiabilities | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_SemiAnnualBalanceSheet |