| 主要な非連結子会社の名称及び連結の範囲から除いた理由 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 主要な非連結子会社の名称及び連結の範囲から除いた理由 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Names of major unconsolidated subsidiaries and reasons for exclusion from scope of consolidation | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Names of major unconsolidated subsidiaries and reasons for exclusion from scope of consolidation [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |