| その他の資産の部 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| その他の資産の部、資産流動化業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| その他の資産の部合計 | ja | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Other assets | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Other assets-LIQ | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Total other assets | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |