| 別記事業の収益及び費用の分類に関する注記 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 別記事業の収益及び費用の分類に関する注記 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Notes regarding classification of revenues and expenses of industry in appended list | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Notes regarding classification of revenues and expenses of industry in appended list [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |