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 | — |
247,000,000
DKK
|
— |
178,000,000
DKK
|
— | — |
| Interest received, classified as operating activities | — |
3,000,000
DKK
|
— |
13,000,000
DKK
|
— | — |
| Cash flows from (used in) operating activities | — |
5,975,000,000
DKK
|
— |
6,775,000,000
DKK
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
12,000,000
DKK
|
— |
148,000,000
DKK
|
— | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
13,000,000
DKK
|
— |
18,000,000
DKK
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
374,000,000
DKK
|
— |
540,000,000
DKK
|
— | — |
| Purchase of intangible assets, classified as investing activities | — |
130,000,000
DKK
|
— |
272,000,000
DKK
|
— | — |
| Cash flows from (used in) investing activities | — |
484,000,000
DKK
|
— |
877,000,000
DKK
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control | — |
42,000,000
DKK
|
— |
311,000,000
DKK
|
— | — |
| Payments to acquire or redeem entity's shares | — |
431,000,000
DKK
|
— |
2,583,000,000
DKK
|
— | — |
| Proceeds from borrowings, classified as financing activities | — |
5,861,000,000
DKK
|
— |
5,626,000,000
DKK
|
— | — |
| Repayments of borrowings, classified as financing activities | — |
9,073,000,000
DKK
|
— |
6,088,000,000
DKK
|
— | — |
| Payments of lease liabilities, classified as financing activities | — |
839,000,000
DKK
|
— |
1,138,000,000
DKK
|
— | — |
| Dividends paid, classified as financing activities | — |
825,000,000
DKK
|
— |
1,756,000,000
DKK
|
— | — |
| Cash flows from (used in) financing activities | — |
3,571,000,000
DKK
|
— |
6,250,000,000
DKK
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
1,920,000,000
DKK
|
— |
352,000,000
DKK
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
62,000,000
DKK
|
— |
19,000,000
DKK
|
— | — |
| Cash and cash equivalents |
2,912,000,000
DKK
|
— |
1,054,000,000
DKK
|
— |
1,054,000,000
DKK
|
1,387,000,000
DKK
|