| Name | CostOfSalesOfCompletedHighwayConstructionContractsOperatingExpenseHighwayBusinessHWY |
|---|---|
| Namespace | http://disclosure.edinet-fsa.go.jp/taxonomy/jppfs/2019-11-01/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 |
|---|---|---|---|
| 道路資産完成原価 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 道路資産完成原価、営業費用、高速道路事業営業損益、高速道路事業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Cost of sales of completed highway construction contracts | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Cost of sales of completed highway construction contracts-operating expense-highway business-HWY | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Publisher | 国土交通省 | http://www.xbrl.org/2003/role/reference |
| Name | 高速道路事業等会計規則 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2015-04-28 | http://www.xbrl.org/2003/role/reference |
| Appendix | 別表第二 第2号様式 | http://www.xbrl.org/2003/role/reference |
| IndustryAbbreviation | hwy | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
jppfs_cor:OperatingExpensesHighwayBusinessAbstractHWY | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome | |
jppfs_cor:OperatingExpensesHighwayBusinessHWY | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome | |
jppfs_cor:OperatingExpensesHighwayBusinessAbstractHWY | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_StatementOfIncome | |
jppfs_cor:OperatingExpensesHighwayBusinessAbstractHWY | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_hwy_StatementOfIncome-ListOfAccounts |