| 監査等委員会設置会社でのみ用いる。 | ja | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| 企業統治の体制(監査等委員会設置会社) | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 企業統治の体制(監査等委員会設置会社) [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Corporate governance (Company with audit and supervisory committee) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Corporate governance (Company with audit and supervisory committee) [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |