Statement Of Cash Flows [Abstract]
| Concept |
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 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Classes of cash receipts from operating activities [abstract] | ||||||||||
| Receipts from royalties, fees, commissions and other revenue | — |
1 341
NOK
|
— |
1 884
NOK
|
— |
2 069
NOK
|
1 437
NOK
|
— | — | — |
| Dividends received, classified as operating activities | — |
240,000,000
NOK
|
— |
3,000,000
NOK
|
— |
22,000,000
NOK
|
249,000,000
NOK
|
— | — | — |
| Cash flows from (used in) operating activities | — |
1 999
NOK
|
— |
976,000,000
NOK
|
— |
222,000,000
NOK
|
669,000,000
NOK
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
0
NOK
|
— |
0
NOK
|
— |
0
NOK
|
0
NOK
|
— | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
15,000,000
NOK
|
— |
17,000,000
NOK
|
— |
37,000,000
NOK
|
37,000,000
NOK
|
— | — | — |
| Interest received, classified as investing activities | — |
100,000,000
NOK
|
— |
94,000,000
NOK
|
— |
115,000,000
NOK
|
118,000,000
NOK
|
— | — | — |
| Other inflows (outflows) of cash, classified as investing activities | — |
635,000,000
NOK
|
— |
135,000,000
NOK
|
— |
65,000,000
NOK
|
73,000,000
NOK
|
— | — | — |
| Cash flows from (used in) investing activities | — |
531,000,000
NOK
|
— |
3 515
NOK
|
— |
1 547
NOK
|
2 610
NOK
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Other inflows (outflows) of cash, classified as financing activities | — |
58,000,000
NOK
|
— |
118,000,000
NOK
|
— |
47,000,000
NOK
|
3,000,000
NOK
|
— | — | — |
| Cash flows from (used in) financing activities | — |
1 582
NOK
|
— |
2 425
NOK
|
— |
795,000,000
NOK
|
1 411
NOK
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
114,000,000
NOK
|
— |
114,000,000
NOK
|
— |
530,000,000
NOK
|
530,000,000
NOK
|
— | — | — |
| Cash and cash equivalents |
428,000,000
NOK
|
— |
428,000,000
NOK
|
— |
542,000,000
NOK
|
— | — |
542,000,000
NOK
|
1 072
NOK
|
1 072
NOK
|