| Exceptional items (revenue) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Exceptional items (revenue) (IFRS) | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Subtotal | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| 個別開示項目(収益) | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 個別開示項目(収益)(IFRS) | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 小計 | ja | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |