| 貸借対照表計上額 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 貸借対照表計上額、保有目的を純投資目的から純投資目的以外の目的に変更したもの、提出会社 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Book value | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Book value, Investment equity securities reclassified from held for pure investment to held for purposes other than pure investment, Reporting company | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |