| 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、保有目的が純投資目的以外の目的であるみなし保有株式の明細、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 |
| Carrying amount | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Carrying amount, Details of deemed holdings of 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 |