| 委託者先物取引差金(貸方)の増減額(△は減少) | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 委託者先物取引差金(貸方)の増減額(△は減少)、営業活動によるキャッシュ・フロー、商品先物取引業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Increase (decrease) in futures transaction margin - customer (credit) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Increase (decrease) in futures transaction margin-customer (credit)-OpeCF-CMD | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |