| 保険料 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 保険料、経常収益、保険業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| (うち保険料) | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ins/role/label | http://www.xbrl.org/2003/role/link |
| Insurance premiums | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Insurance premiums-OI-INS | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Insurance premiums | en | http://disclosure.edinet-fsa.go.jp/jppfs/ins/role/label | http://www.xbrl.org/2003/role/link |