| 従業員に対する長期貸付金(純額) | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 従業員に対する長期貸付金(純額) | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 従業員長期貸付金(純額) | ja | http://disclosure.edinet-fsa.go.jp/jppfs/cna/role/label | http://www.xbrl.org/2003/role/link |
| Long-term loans receivable from employees, net | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Long-term loans receivable from employees, net | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Long-term loans receivable from employees, net | en | http://disclosure.edinet-fsa.go.jp/jppfs/cna/role/label | http://www.xbrl.org/2003/role/link |