| 受取手形・完成工事未収入金等 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 受取手形・完成工事未収入金等、建設業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Notes receivable, accounts receivable from completed construction contracts and other | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Notes receivable, accounts receivable from completed construction contracts and other-CNS | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |