| 特定資産の部 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 特定資産の部、資産流動化業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 特定資産の部合計 | ja | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Specific assets | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Specific assets-LIQ | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Total specific assets | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |