| 非上場株式以外の株式 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 非上場株式以外の株式、保有目的が純投資目的以外の目的である投資株式、提出会社 [タイトル項目] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Shares other than those not listed | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Shares other than those not listed, Investment shares held for purposes other than pure investment, Reporting company [abstract] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
Index