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 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 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 |
2020-01-01 to 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||
| Equity | — |
5,639,000,000
DKK
|
— |
7,368,000,000
DKK
|
— |
7,207,000,000
DKK
|
161,000,000
DKK
|
11,000,000
DKK
|
1,557,000,000
DKK
|
— | — | — |
4,509,000,000
DKK
|
148,000,000
DKK
|
6,096,000,000
DKK
|
1,557,000,000
DKK
|
— |
30,000,000
DKK
|
6,244,000,000
DKK
|
— | — | — |
5,067,000,000
DKK
|
144,000,000
DKK
|
10,000,000
DKK
|
5,211,000,000
DKK
|
3,520,000,000
DKK
|
1,557,000,000
DKK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||
| Profit (loss) |
6,000,000
DKK
|
— |
1,176,000,000
DKK
|
— | — | — | — | — | — |
1,182,000,000
DKK
|
1,176,000,000
DKK
|
1,008,000,000
DKK
|
— | — | — | — |
1,004,000,000
DKK
|
— | — | — |
4,000,000
DKK
|
1,004,000,000
DKK
|
— | — | — | — | — | — |
| Other comprehensive income | — | — |
36,000,000
DKK
|
— |
19,000,000
DKK
|
— | — | — | — |
36,000,000
DKK
|
55,000,000
DKK
|
24,000,000
DKK
|
— | — | — | — |
16,000,000
DKK
|
— | — |
40,000,000
DKK
|
— |
24,000,000
DKK
|
— | — | — | — | — | — |
| Comprehensive income | — | — | — | — | — | — | — | — | — |
1,218,000,000
DKK
|
— |
1,032,000,000
DKK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
84,000,000
DKK
|
— | — | — | — | — | — |
84,000,000
DKK
|
84,000,000
DKK
|
20,000,000
DKK
|
— | — | — | — |
20,000,000
DKK
|
— | — | — | — |
20,000,000
DKK
|
— | — | — | — | — | — |
| Increase (decrease) in equity |
13,000,000
DKK
|
— |
1,111,000,000
DKK
|
— |
19,000,000
DKK
|
— | — | — | — |
1,124,000,000
DKK
|
1,130,000,000
DKK
|
1,033,000,000
DKK
|
— | — | — | — |
989,000,000
DKK
|
— | — |
40,000,000
DKK
|
4,000,000
DKK
|
1,029,000,000
DKK
|
— | — | — | — | — | — |