| 保険業法第118条に規定する特別勘定の資産及び負債に関する注記 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 保険業法第118条に規定する特別勘定の資産及び負債に関する注記、保険業 [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 assets and liabilities included in specific accounts specified by article 118 of Insurance Business Act | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Notes regarding assets and liabilities included in specific accounts specified by article 118 of Insurance Business Act-INS [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |