| 破産更生債権等 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 破産更生債権等 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 破産債権、再生債権、更生債権その他これらに準ずる債権 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/wat/role/label | http://www.xbrl.org/2003/role/link |
| Distressed receivables | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Distressed receivables | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Distressed receivables | en | http://disclosure.edinet-fsa.go.jp/jppfs/wat/role/label | http://www.xbrl.org/2003/role/link |