| Name | SubmarineLineFacilitiesNCATelecommunications |
|---|---|
| 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 |
|---|---|---|---|
| 海底線設備 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 海底線設備、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 |
| Submarine line facilities | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Submarine line facilities-NCA-telecommunications | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |