| Art 19 para 2 item 18 | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Likelihood of uncollectible or delinquent accounts of consolidated subsidiary | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Likelihood of uncollectible or delinquent accounts of 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18号 | ja | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| 連結子会社に係る取立不能又は取立遅延債権のおそれ | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 連結子会社に係る取立不能又は取立遅延債権のおそれ [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |