| 賃貸用不動産等減価償却費 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 賃貸用不動産等減価償却費、経常費用、保険業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| (うち賃貸用不動産等減価償却費) | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ins/role/label | http://www.xbrl.org/2003/role/link |
| Depreciation of real estate for rent and other | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Depreciation of real estate for rent and other-OE-INS | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Depreciation of real estate for rent and other | en | http://disclosure.edinet-fsa.go.jp/jppfs/ins/role/label | http://www.xbrl.org/2003/role/link |