| 元本等 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 元本等、投資信託 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 元本等合計 | ja | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Principal and other | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Principal and other-FND | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Total principal and other | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |