| Name | AccumulatedDepreciationLineFacilitiesNCATelecommunications |
|---|---|
| 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 |
|---|---|---|---|
| Accumulated depreciation | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Accumulated depreciation-line facilities-NCA-telecommunications | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 減価償却累計額 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 減価償却累計額、線路設備、電気通信事業固定資産 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Publisher | 総務省 | http://www.xbrl.org/2003/role/reference |
| Name | 電気通信事業会計規則 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2019-06-28 | http://www.xbrl.org/2003/role/reference |
| Article | 別表第1 | http://www.xbrl.org/2003/role/reference |
| IndustryAbbreviation | elc | http://www.xbrl.org/2003/role/reference |