| Name | RedemptionOfAccountsPayableToJapanRailwayConstructionTransportAndTechnologyAgencyFinCFRWY |
|---|---|
| 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 | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| 鉄道・運輸機構未払金の返済による支出 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 鉄道・運輸機構未払金の返済による支出、財務活動によるキャッシュ・フロー、鉄道事業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Redemption of accounts payable to Japan railway construction, transport and technology agency | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Redemption of accounts payable to Japan railway construction, transport and technology agency-FinCF-RWY | en | http://www.xbrl.org/2003/role/verboseLabel | 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:NetCashProvidedByUsedInFinancingActivitiesAbstract | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_rwy_StatementOfCashFlows-ListOfAccounts |