| Name | AnnexedDetailedScheduleOfCorporateBondsAndShortTermAndLongTermBorrowingsHWYTextBlock |
|---|---|
| Namespace | http://disclosure.edinet-fsa.go.jp/taxonomy/jpcrp/2020-11-01/jpcrp_cor |
| Prefix | jpcrp_cor |
| Data type | nonnum:textBlockItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| 社債、長期借入金及び短期借入金の増減明細表 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 社債、長期借入金及び短期借入金の増減明細表、高速道路事業 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Annexed detailed schedule of corporate bonds and short-term and long-term borrowings | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Annexed detailed schedule of corporate bonds and short-term and long-term borrowings-HWY [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Publisher | 内閣府 | http://www.xbrl.org/2003/role/reference |
| Name | 財務諸表等規則 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2020-06-12 | http://www.xbrl.org/2003/role/reference |
| Article | 第122条 | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
jpcrp_cor:AnnexedDetailedScheduleOfCorporateBondsAndShortTermAndLongTermBorrowingsHWYHeading | parent-child | http://disclosure.edinet-fsa.go.jp/role/jpcrp/rol_std_CabinetOfficeOrdinanceOnDisclosureOfCorporateInformationEtcFormNo2SecuritiesRegistrationStatement |