Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operations |
265,000,000
NOK
|
— |
131,000,000
NOK
|
— | — |
| Interest paid, classified as operating activities |
4,000,000
NOK
|
— |
1,000,000
NOK
|
— | — |
| Interest received, classified as operating activities |
134,000,000
NOK
|
— |
41,000,000
NOK
|
— | — |
| Cash flows from (used in) operating activities |
134,000,000
NOK
|
— |
171,000,000
NOK
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities |
3,685,000,000
NOK
|
— |
—
NOK
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities |
20,000,000
NOK
|
— |
32,000,000
NOK
|
— | — |
| Cash flows from (used in) investing activities |
3,619,000,000
NOK
|
— |
147,000,000
NOK
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Payments of lease liabilities, classified as financing activities |
2,000,000
NOK
|
— |
8,000,000
NOK
|
— | — |
| Cash flows from (used in) financing activities |
2,000,000
NOK
|
— |
9,000,000
NOK
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
3,482,000,000
NOK
|
— |
15,000,000
NOK
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents |
2,000,000
NOK
|
— |
4,000,000
NOK
|
— | — |
| Cash and cash equivalents | — |
4,596,000,000
NOK
|
— |
1,112,000,000
NOK
|
1,093,000,000
NOK
|