| Name | AdministrationCostsOfHighwayBusinessAndCostOfSalesOperatingExpensesHWY |
|---|---|
| Namespace | http://disclosure.edinet-fsa.go.jp/taxonomy/jppfs/2020-11-01/jppfs_cor |
| Prefix | jppfs_cor |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| 高速道路等事業管理費及び売上原価 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 高速道路等事業管理費及び売上原価、営業費用、高速道路事業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Administration costs of highway business and cost of sales | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Administration costs of highway business and cost of sales-operating expenses-HWY | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| IndustryAbbreviation | hwy | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
jppfs_cor:OperatingExpensesAbstract | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome | |
jppfs_cor:OperatingExpenses | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome | |
jppfs_cor:OperatingExpensesAbstract | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome | |
jppfs_cor:OperatingExpensesAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_hwy_StatementOfIncome-ListOfAccounts |