Statement Of Changes In Equity [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||
| Equity | — |
11,303,000,000
DKK
|
— | — |
12,206,000,000
DKK
|
32,000,000
DKK
|
— |
11,827,000,000
DKK
|
379,000,000
DKK
|
— |
8,000,000
DKK
|
564,000,000
DKK
|
— | — | — |
11,263,000,000
DKK
|
11,000,000
DKK
|
127,000,000
DKK
|
11,233,000,000
DKK
|
570,000,000
DKK
|
— | — |
727,000,000
DKK
|
— |
11,244,000,000
DKK
|
— | — | — |
11,468,000,000
DKK
|
12,000,000
DKK
|
57,000,000
DKK
|
11,480,000,000
DKK
|
10,810,000,000
DKK
|
19,000,000
DKK
|
582,000,000
DKK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) |
1,000,000
DKK
|
— | — |
3,146,000,000
DKK
|
— | — | — | — | — | — | — | — |
3,145,000,000
DKK
|
3,146,000,000
DKK
|
2,826,000,000
DKK
|
— | — | — | — | — |
2,825,000,000
DKK
|
— | — | — | — | — |
1,000,000
DKK
|
2,825,000,000
DKK
|
— | — | — | — | — | — | — |
| Other comprehensive income |
2,000,000
DKK
|
— |
159,000,000
DKK
|
560,000,000
DKK
|
— | — |
719,000,000
DKK
|
— | — | — | — | — |
562,000,000
DKK
|
— |
677,000,000
DKK
|
— | — | — | — | — | — |
108,000,000
DKK
|
— | — | — |
784,000,000
DKK
|
1,000,000
DKK
|
676,000,000
DKK
|
— | — | — | — | — | — | — |
| Comprehensive income |
1,000,000
DKK
|
— |
159,000,000
DKK
|
3,706,000,000
DKK
|
— | — |
719,000,000
DKK
|
— | — | — | — | — |
3,707,000,000
DKK
|
3,146,000,000
DKK
|
2,149,000,000
DKK
|
— | — | — | — | — |
2,825,000,000
DKK
|
108,000,000
DKK
|
— | — | — |
784,000,000
DKK
|
-
DKK
|
2,149,000,000
DKK
|
— | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
1,000,000
DKK
|
— | — |
1,465,000,000
DKK
|
— | — | — | — | — | — | — | — |
1,466,000,000
DKK
|
1,465,000,000
DKK
|
1,483,000,000
DKK
|
— | — | — | — | — |
1,482,000,000
DKK
|
— | — | — | — | — |
1,000,000
DKK
|
1,482,000,000
DKK
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — |
75,000,000
DKK
|
— | — | — | — | — | — | — | — |
75,000,000
DKK
|
75,000,000
DKK
|
53,000,000
DKK
|
— | — | — | — | — |
53,000,000
DKK
|
— | — | — | — | — | — |
53,000,000
DKK
|
— | — | — | — | — | — | — |
| Increase (decrease) in equity |
368,000,000
DKK
|
— |
159,000,000
DKK
|
594,000,000
DKK
|
— | — |
719,000,000
DKK
|
— | — |
6,000,000
DKK
|
— | — |
962,000,000
DKK
|
40,000,000
DKK
|
236,000,000
DKK
|
— | — | — | — | — |
453,000,000
DKK
|
108,000,000
DKK
|
— |
12,000,000
DKK
|
— |
784,000,000
DKK
|
1,000,000
DKK
|
235,000,000
DKK
|
— | — | — | — | — | — | — |