| 四半期連結累計期間 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 四半期連結累計期間、要約四半期連結包括利益計算書(1計算書)(JMIS) [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Condensed year to quarter end consolidated statement of comprehensive income | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Condensed year to quarter end consolidated statement of comprehensive income (single statement) (JMIS) [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |