| 企業結合に係る特定勘定の取崩益の注記 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 企業結合に係る特定勘定の取崩益の注記 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Notes regarding reversal of provision incurred from business combination | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Notes regarding reversal of provision incurred from business combination [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |