| 内部監査及び監査役(監査等委員会又は監査委員会)監査 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 内部監査及び監査役(監査等委員会又は監査委員会)監査 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Internal audit and audit by corporate auditors (audit (and supervisory) committee) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Internal audit and audit by corporate auditors (audit (and supervisory) committee) [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |