| Name | AccumulatedDepreciationAndImpairmentLossMachineryAndEquipmentNCARelatedHWY |
|---|---|
| Namespace | http://disclosure.edinet-fsa.go.jp/taxonomy/jppfs/2020-11-01/jppfs_cor |
| Prefix | jppfs_cor |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| 減価償却累計額及び減損損失累計額 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 減価償却累計額及び減損損失累計額、機械及び装置、関連事業固定資産、高速道路事業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Accumulated depreciation and impairment | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Accumulated depreciation and impairment - machinery and equipment - NCA - related - 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 | 2019-05-22 | http://www.xbrl.org/2003/role/reference |
| Article | 別表第2 第1号様式 | http://www.xbrl.org/2003/role/reference |
| IndustryAbbreviation | hwy | http://www.xbrl.org/2003/role/reference |