Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-01-01 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2019-01-01 |
|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||
| Cash flows from (used in) operating activities [abstract] | ||||||
| Interest paid, classified as operating activities | — |
62,000,000
DKK
|
— |
88,000,000
DKK
|
— | — |
| Interest received, classified as operating activities | — |
10,000,000
DKK
|
— |
64,000,000
DKK
|
— | — |
| Cash flows from (used in) operating activities | — |
4,355,000,000
DKK
|
— |
3,196,000,000
DKK
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
4,000,000
DKK
|
— |
6,000,000
DKK
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
794,000,000
DKK
|
— |
862,000,000
DKK
|
— | — |
| Purchase of intangible assets, classified as investing activities | — |
146,000,000
DKK
|
— |
135,000,000
DKK
|
— | — |
| Cash flows from (used in) investing activities | — |
1,524,000,000
DKK
|
— |
561,000,000
DKK
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||
| Payments to acquire or redeem entity's shares | — |
1,500,000,000
DKK
|
— |
2,000,000,000
DKK
|
— | — |
| Proceeds from borrowings, classified as financing activities | — |
999,000,000
DKK
|
— |
1,915,000,000
DKK
|
— | — |
| Repayments of borrowings, classified as financing activities | — |
434,000,000
DKK
|
— |
1,028,000,000
DKK
|
— | — |
| Payments of lease liabilities, classified as financing activities | — |
111,000,000
DKK
|
— |
108,000,000
DKK
|
— | — |
| Dividends paid, classified as financing activities | — |
1,483,000,000
DKK
|
— |
1,439,000,000
DKK
|
— | — |
| Cash flows from (used in) financing activities | — |
2,314,000,000
DKK
|
— |
2,644,000,000
DKK
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
517,000,000
DKK
|
— |
9,000,000
DKK
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
47,000,000
DKK
|
— |
3,000,000
DKK
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
470,000,000
DKK
|
— |
12,000,000
DKK
|
— | — |
| Cash and cash equivalents |
1,181,000,000
DKK
|
— |
711,000,000
DKK
|
— |
711,000,000
DKK
|
723,000,000
DKK
|