Statement Of Financial Position [Abstract]
| Concept |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||
| Property, plant and equipment | — |
2,051,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
2,009,000,000
DKK
|
— | — |
2,119,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — |
293,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
312,000,000
DKK
|
— | — |
282,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — |
4,315,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
4,194,000,000
DKK
|
— | — |
4,309,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — |
1,272,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
1,248,000,000
DKK
|
— | — |
1,149,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
1,256,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
946,000,000
DKK
|
— | — |
811,000,000
DKK
|
— | — | — | — | — | — | — |
1,001,000,000
DKK
|
— | — | — |
| Assets | — |
21,024,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
20,456,000,000
DKK
|
— | — |
22,305,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||
| Issued capital | — |
1,025,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
1,025,000,000
DKK
|
— | — |
1,025,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — |
8,229,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
8,246,000,000
DKK
|
— | — |
8,191,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — |
8,456,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
8,136,000,000
DKK
|
— | — |
8,521,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — |
5,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
6,000,000
DKK
|
— | — |
16,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
8,229,000,000
DKK
|
8,451,000,000
DKK
|
1,025,000,000
DKK
|
25,000,000
DKK
|
5,000,000
DKK
|
8,456,000,000
DKK
|
773,000,000
DKK
|
8,246,000,000
DKK
|
6,000,000
DKK
|
4,000,000
DKK
|
8,136,000,000
DKK
|
1,025,000,000
DKK
|
1,131,000,000
DKK
|
8,130,000,000
DKK
|
8,521,000,000
DKK
|
16,000,000
DKK
|
8,537,000,000
DKK
|
635,000,000
DKK
|
60,000,000
DKK
|
1,025,000,000
DKK
|
8,191,000,000
DKK
|
8,779,000,000
DKK
|
14,000,000
DKK
|
300,000,000
DKK
|
8,793,000,000
DKK
|
8,082,000,000
DKK
|
28,000,000
DKK
|
1,025,000,000
DKK
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||
| Deferred tax liabilities | — |
211,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
200,000,000
DKK
|
— | — |
234,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — |
0
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
91,000,000
DKK
|
— | — |
0
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — |
12,573,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
12,326,000,000
DKK
|
— | — |
13,768,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
21,024,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |
20,456,000,000
DKK
|
— | — |
22,305,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — |