Statement Of Changes In Equity [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
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 |
As at 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 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity | — |
30,000,000
NOK
|
— | — | — |
603,000,000
NOK
|
9,876,000,000
NOK
|
— |
4,000,000
NOK
|
2,136,000,000
NOK
|
1,321,000,000
NOK
|
— | — |
10,628,000,000
NOK
|
— |
12,764,000,000
NOK
|
— |
10,570,000,000
NOK
|
— | — |
34,000,000
NOK
|
1,911,000,000
NOK
|
— | — | — |
1,884,000,000
NOK
|
— |
9,847,000,000
NOK
|
— |
4,000,000
NOK
|
713,000,000
NOK
|
8,686,000,000
NOK
|
8,803,000,000
NOK
|
199,000,000
NOK
|
540,000,000
NOK
|
9,819,000,000
NOK
|
2,231,000,000
NOK
|
4,000,000
NOK
|
472,000,000
NOK
|
8,263,000,000
NOK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
-
NOK
|
— |
1,309,000,000
NOK
|
-
NOK
|
-
NOK
|
— | — |
-
NOK
|
— | — | — |
1,309,000,000
NOK
|
177,000,000
NOK
|
— |
1,486,000,000
NOK
|
— |
1,122,000,000
NOK
|
— |
628,000,000
NOK
|
-
NOK
|
— | — |
494,000,000
NOK
|
628,000,000
NOK
|
-
NOK
|
— |
-
NOK
|
— |
-
NOK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
4,000,000
NOK
|
— |
604,000,000
NOK
|
-
NOK
|
-
NOK
|
— | — |
608,000,000
NOK
|
— | — | — |
-
NOK
|
235,000,000
NOK
|
— |
839,000,000
NOK
|
— |
30,000,000
NOK
|
— |
75,000,000
NOK
|
166,000,000
NOK
|
— | — |
105,000,000
NOK
|
-
NOK
|
-
NOK
|
— |
241,000,000
NOK
|
— |
-
NOK
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
4,000,000
NOK
|
— |
1,913,000,000
NOK
|
-
NOK
|
-
NOK
|
— | — |
608,000,000
NOK
|
— | — | — |
1,309,000,000
NOK
|
412,000,000
NOK
|
— |
2,325,000,000
NOK
|
— |
1,092,000,000
NOK
|
— |
704,000,000
NOK
|
166,000,000
NOK
|
— | — |
389,000,000
NOK
|
628,000,000
NOK
|
-
NOK
|
— |
241,000,000
NOK
|
— |
-
NOK
|
— | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
-
NOK
|
— |
-
NOK
|
-
NOK
|
-
NOK
|
— | — |
-
NOK
|
— | — | — |
-
NOK
|
395,000,000
NOK
|
— |
395,000,000
NOK
|
— |
429,000,000
NOK
|
— |
308,000,000
NOK
|
-
NOK
|
— | — |
121,000,000
NOK
|
308,000,000
NOK
|
-
NOK
|
— |
-
NOK
|
— |
-
NOK
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
-
NOK
|
— |
29,000,000
NOK
|
-
NOK
|
29,000,000
NOK
|
— | — |
-
NOK
|
— | — | — |
-
NOK
|
-
NOK
|
— |
29,000,000
NOK
|
— |
28,000,000
NOK
|
— |
28,000,000
NOK
|
-
NOK
|
— | — |
-
NOK
|
-
NOK
|
28,000,000
NOK
|
— |
-
NOK
|
— |
-
NOK
|
— | — | — | — | — | — | — | — | — | — | — |