| Name | ContributionPayableForReprocessingOfSpentNuclearFuelNCLELE |
|---|---|
| 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 | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| 未払使用済燃料再処理等拠出金 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 未払使用済燃料再処理等拠出金、固定負債、電気事業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Contribution payable for reprocessing of spent nuclear fuel | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Contribution payable for reprocessing of spent nuclear fuel - NCL - ELE | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |