| 四半期特有の会計処理 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 四半期特有の会計処理、四半期連結財務諸表 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Notes - Accounting treatments specific to quarterly financial statements | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Notes - Accounting treatments specific to quarterly financial statements, Quarterly consolidated financial statements [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |