| 売掛金(純額) | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 売掛金(純額) | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 売掛金 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/cte/role/label | http://www.xbrl.org/2003/role/link |
| Accounts receivable - trade, net | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Accounts receivable-trade, net | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Accounts receivable | en | http://disclosure.edinet-fsa.go.jp/jppfs/cte/role/label | http://www.xbrl.org/2003/role/link |