| Art 19 para 2 item 14 | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Filing or settlement of litigation against consolidated subsidiary | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Filing or settlement of litigation against consolidated subsidiary [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 第19条第2項第14号 | ja | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| 連結子会社に対する訴訟の提起又は解決 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 連結子会社に対する訴訟の提起又は解決 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |