| 投資有価証券 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 投資有価証券 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 有価証券 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/med/role/label | http://www.xbrl.org/2003/role/link |
| Investment securities | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investment securities | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Securities | en | http://disclosure.edinet-fsa.go.jp/jppfs/med/role/label | http://www.xbrl.org/2003/role/link |