 | jppfs_cor:PropertyPlantAndEquipmentAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:IntangibleAssetsAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:InvestmentsAndOtherAssetsAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:NoncurrentAssets | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:NoncurrentAssetsHighwayBusinessNCAAbstractHWY | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:NoncurrentAssetsRelatedAbstractHWY | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:NoncurrentAssetsAffiliatedAbstractHWY | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:OtherNoncurrentAssetsAbstractHWY | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:InvestmentsAndOtherAssetsAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:NoncurrentAssets | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:PropertyPlantAndEquipmentAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:IntangibleAssetsAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:InvestmentsAndOtherAssetsAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:NoncurrentAssets | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedBalanceSheet |
 | jppfs_cor:NoncurrentAssetsHighwayBusinessNCAAbstractHWY | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:NoncurrentAssetsRelatedAbstractHWY | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:NoncurrentAssetsAffiliatedAbstractHWY | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:OtherNoncurrentAssetsAbstractHWY | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:InvestmentsAndOtherAssetsAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:NoncurrentAssets | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_BalanceSheet |
 | jppfs_cor:NoncurrentAssetsHighwayBusinessNCAAbstractHWY | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_hwy_BalanceSheet-ListOfAccounts |
 | jppfs_cor:NoncurrentAssetsRelatedAbstractHWY | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_hwy_BalanceSheet-ListOfAccounts |
 | jppfs_cor:NoncurrentAssetsAffiliatedAbstractHWY | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_hwy_BalanceSheet-ListOfAccounts |
 | jppfs_cor:OtherNoncurrentAssetsAbstractHWY | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_hwy_BalanceSheet-ListOfAccounts |
 | jppfs_cor:InvestmentsAndOtherAssetsAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_hwy_BalanceSheet-ListOfAccounts |
 | jppfs_cor:NoncurrentAssets | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_hwy_BalanceSheet-ListOfAccounts |
 | jppfs_cor:PropertyPlantAndEquipmentAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:IntangibleAssetsAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:InvestmentsAndOtherAssetsAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |
 | jppfs_cor:NoncurrentAssets | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_cai_BalanceSheet-ListOfAccounts |