| Investments in subsidiaries, joint ventures and associates | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total investments in subsidiaries, joint ventures and associates | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The amount of investments in subsidiaries, joint ventures and associates in an entity's separate financial statements. [Refer: Associates [member]; Joint ventures [member]; Subsidiaries [member]; Investments in subsidiaries] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Investeringer i dattervirksomheder, joint ventures og associerede virksomheder | da | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Den beløbsmæssige størrelse af investeringer i joint ventures og associerede virksomheder i en virksomheds separate årsregnskab. [Reference: associerede virksomheder [member], joint ventures [member], dattervirksomheder [member], investeringer i dattervirksomheder] | da | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |