| Receivables likely to become uncollectible or delinquent | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Art 29 para 2 item 11 | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Receivables likely to become uncollectible or delinquent [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 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 |
| 第29条第2項第11号 | ja | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| 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 |