| Income taxes refund (paid) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Income taxes refund (paid) - OpeCF (IFRS) | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Income taxes refund | en | http://www.xbrl.org/2003/role/positiveLabel | http://www.xbrl.org/2003/role/link |
| Income taxes paid | en | http://www.xbrl.org/2003/role/negativeLabel | http://www.xbrl.org/2003/role/link |
| 法人所得税の支払額又は還付額(△は支払) | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 法人所得税の支払額又は還付額(△は支払)、営業活動によるキャッシュ・フロー(IFRS) | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 法人所得税の還付額 | ja | http://www.xbrl.org/2003/role/positiveLabel | http://www.xbrl.org/2003/role/link |
| 法人所得税の支払額 | ja | http://www.xbrl.org/2003/role/negativeLabel | http://www.xbrl.org/2003/role/link |