Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||
| Profit (loss) | — |
184,000,000
NOK
|
333,000,000
NOK
|
14,000,000
NOK
|
2,000,000
NOK
|
18,000,000
NOK
|
13,000,000
NOK
|
128,000,000
NOK
|
4,000,000
NOK
|
— |
5,000,000
NOK
|
146,000,000
NOK
|
55,000,000
NOK
|
73,000,000
NOK
|
1,000,000
NOK
|
10,000,000
NOK
|
— |
| Dividends received, classified as operating activities | — | — |
62,000,000
NOK
|
— | — | — | — | — | — | — | — |
88,000,000
NOK
|
— | — | — | — | — |
| Other inflows (outflows) of cash, classified as operating activities | — | — |
128,000,000
NOK
|
— | — | — | — | — | — | — | — |
1 025
NOK
|
— | — | — | — | — |
| Cash flows from (used in) operating activities | — | — |
156,000,000
NOK
|
— | — | — | — | — | — | — | — |
1 439
NOK
|
— | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||
| Proceeds from sales of other long-term assets, classified as investing activities | — | — |
216,000,000
NOK
|
— | — | — | — | — | — | — | — |
52,000,000
NOK
|
— | — | — | — | — |
| Purchase of other long-term assets, classified as investing activities | — | — |
110,000,000
NOK
|
— | — | — | — | — | — | — | — |
299,000,000
NOK
|
— | — | — | — | — |
| Cash flows from (used in) investing activities | — | — |
196,000,000
NOK
|
— | — | — | — | — | — | — | — |
222,000,000
NOK
|
— | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||
| Payments of lease liabilities, classified as financing activities | — | — |
4,000,000
NOK
|
— | — | — | — | — | — | — | — |
4,000,000
NOK
|
— | — | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — |
701,000,000
NOK
|
— | — | — | — | — | — | — | — |
96,000,000
NOK
|
— | — | — | — | — |
| Cash and cash equivalents |
1 629
NOK
|
— | — | — | — | — | — | — | — |
927,000,000
NOK
|
— | — | — | — | — | — |
1 023
NOK
|