| その他の有形固定資産で流動資産または投資たる資産に属しないもの | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| その他の有形固定資産で流動資産または投資たる資産に属しないもの、有形固定資産 [タイトル項目] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Other tangible assets not classified as current assets or investments | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Other tangible assets not classified as current assets or investments [abstract] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |