| 株式数が増加した銘柄数 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 株式数が増加した銘柄数、非上場株式、保有目的が純投資目的以外の目的である投資株式、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 issues whose number of shares increased | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Number of issues whose number of shares increased, Shares not listed, Investment shares 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 |