| Name | OperatingExpensesRWY |
|---|---|
| Namespace | http://disclosure.edinet-fsa.go.jp/taxonomy/jppfs/2018-03-31/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 |
|---|---|---|---|
| 営業費 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 営業費、鉄道事業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 営業費合計 | ja | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Operating expenses | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Operating expenses-RWY | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Total operating expenses | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| IndustryAbbreviation | rwy | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
jppfs_cor:OperatingExpensesAndCostOfSalesOfTransportationRWY | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome | |
jppfs_cor:SellingGeneralAndAdministrativeExpenses | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome |
| Name | Relation Type | Role | |
|---|---|---|---|
jppfs_cor:OperatingExpensesAbstractRWY | parent-child | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome | |
jppfs_cor:OperatingIncome | summation-item | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome | |
jppfs_cor:OperatingExpensesAbstractRWY | domain-member | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_std_ConsolidatedStatementOfIncome | |
jppfs_cor:OperatingExpensesAbstractRWY | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_rwy_StatementOfIncome-ListOfAccounts |