Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||
| Profit (loss) |
315,000,000
NOK
|
1,000,000
NOK
|
— |
189,000,000
NOK
|
44,000,000
NOK
|
1,000,000
NOK
|
20,000,000
NOK
|
22,000,000
NOK
|
128,000,000
NOK
|
— |
184,000,000
NOK
|
334,000,000
NOK
|
14,000,000
NOK
|
2,000,000
NOK
|
128,000,000
NOK
|
5,000,000
NOK
|
13,000,000
NOK
|
15,000,000
NOK
|
— |
| Interest received, classified as operating activities |
69,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
34,000,000
NOK
|
— | — | — | — | — | — | — |
| Other inflows (outflows) of cash, classified as operating activities |
1,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
13,000,000
NOK
|
— | — | — | — | — | — | — |
| Cash flows from (used in) operating activities |
330,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
98,000,000
NOK
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||
| Proceeds from sales of other long-term assets, classified as investing activities |
9,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
216,000,000
NOK
|
— | — | — | — | — | — | — |
| Purchase of other long-term assets, classified as investing activities |
155,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
110,000,000
NOK
|
— | — | — | — | — | — | — |
| Dividends received, classified as investing activities |
60,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
62,000,000
NOK
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities |
116,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
138,000,000
NOK
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||
| Payments of lease liabilities, classified as financing activities |
7,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
4,000,000
NOK
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities |
371,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
662,000,000
NOK
|
— | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
157,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
702,000,000
NOK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
1 472
NOK
|
— | — | — | — | — | — |
1 629
NOK
|
— | — | — | — | — | — | — | — |
926,000,000
NOK
|