| 保証会社及び連動子会社の最近の財務諸表又は財務書類 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 保証会社及び連動子会社の最近の財務諸表又は財務書類 [目次項目] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Recent financial statements or financial documents of guarantor or tracked subsidiary | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Recent financial statements or financial documents of guarantor or tracked subsidiary [heading] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |