| Liabilities and equity | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Liabilities and equity (IFRS) | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Total liabilities and equity | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| 負債及び資本 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 負債及び資本(IFRS) | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 負債及び資本合計 | ja | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |