| 株式数 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 株式数、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、投資株式計上額が次に大きい会社 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Number of shares held | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Number of shares held, Investment equity securities reclassified from held for pure investment to held for purposes other than pure investment, Second largest holding company | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |