| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total investments in subsidiaries, joint ventures and associates reported in separate financial statements | 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 reported in separate financial statements] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| investeringer i dattervirksomheder, joint ventures og associerede virksomheder i en virksomheds separate årsregnskab | 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 i en virksomheds separate årsregnskab] | da | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| investeringer i dattervirksomheder, joint ventures og associerede virksomheder i en virksomheds separate årsregnskab, i alt | da | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |