| 持分法損益等 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 持分法損益等、財務諸表 [目次項目] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Notes - Equity in earnings (losses) of affiliates if equity method is applied | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Notes - Equity in earnings (losses) of affiliates if equity method is applied, Financial statements [heading] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |