Statement Of Changes In Equity [Abstract]
| Concept |
As at 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 |
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 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
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 |
As at 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 |
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 |
3,416,000,000
DKK
|
9,523,000,000
DKK
|
— | — |
7,001,000,000
DKK
|
110,000,000
DKK
|
— |
-
DKK
|
— | — |
905,000,000
DKK
|
100,000,000
DKK
|
— | — | — |
6,632,000,000
DKK
|
215,000,000
DKK
|
— |
100,000,000
DKK
|
— |
-
DKK
|
— | — |
93,000,000
DKK
|
535,000,000
DKK
|
— |
7,389,000,000
DKK
|
— |
1,112,000,000
DKK
|
5,249,000,000
DKK
|
5,110,000,000
DKK
|
1,964,000,000
DKK
|
54,000,000
DKK
|
836,000,000
DKK
|
100,000,000
DKK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
-
DKK
|
-
DKK
|
— | — |
-
DKK
|
— |
-
DKK
|
-
DKK
|
— | — |
4,160,000,000
DKK
|
4,160,000,000
DKK
|
1,938,000,000
DKK
|
— | — |
-
DKK
|
— |
1,938,000,000
DKK
|
— |
-
DKK
|
-
DKK
|
— | — |
-
DKK
|
— |
-
DKK
|
— | — | — | — | — | — | — |
| Other comprehensive income | — | — |
325,000,000
DKK
|
-
DKK
|
— | — |
-
DKK
|
— |
370,000,000
DKK
|
-
DKK
|
— | — |
46,000,000
DKK
|
1,000,000
DKK
|
410,000,000
DKK
|
— | — |
-
DKK
|
— |
6,000,000
DKK
|
— |
-
DKK
|
161,000,000
DKK
|
— | — |
-
DKK
|
— |
577,000,000
DKK
|
— | — | — | — | — | — | — |
| Comprehensive income | — | — |
325,000,000
DKK
|
-
DKK
|
— | — |
-
DKK
|
— |
370,000,000
DKK
|
-
DKK
|
— | — |
4,206,000,000
DKK
|
4,161,000,000
DKK
|
1,528,000,000
DKK
|
— | — |
-
DKK
|
— |
1,944,000,000
DKK
|
— |
-
DKK
|
161,000,000
DKK
|
— | — |
-
DKK
|
— |
577,000,000
DKK
|
— | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
-
DKK
|
-
DKK
|
— | — |
1,481,000,000
DKK
|
— |
-
DKK
|
-
DKK
|
— | — |
1,479,000,000
DKK
|
2,000,000
DKK
|
825,000,000
DKK
|
— | — |
-
DKK
|
— |
11,000,000
DKK
|
— |
836,000,000
DKK
|
-
DKK
|
— | — |
-
DKK
|
— |
-
DKK
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
90,000,000
DKK
|
— | — |
14,000,000
DKK
|
— |
76,000,000
DKK
|
— |
-
DKK
|
-
DKK
|
— | — |
-
DKK
|
— |
-
DKK
|
— | — | — | — | — | — | — |