| Art 19 para 2 item 7 | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Determination on absorption-type company split | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Determination on absorption-type company split [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 第19条第2項第7号 | ja | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| 吸収分割の決定 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 吸収分割の決定 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |