Statement Of Changes In Equity [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 |
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 |
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 |
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 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||
| Equity |
3 066
NOK
|
— | — | — | — |
61,000,000
NOK
|
10,000,000
NOK
|
2 900
NOK
|
101,000,000
NOK
|
47,000,000
NOK
|
40,000,000
NOK
|
— | — | — | — |
583,000,000
NOK
|
36,000,000
NOK
|
— |
3 753
NOK
|
— |
47,000,000
NOK
|
— | — |
3 049
NOK
|
101,000,000
NOK
|
30,000,000
NOK
|
— | — |
26,000,000
NOK
|
31,000,000
NOK
|
101,000,000
NOK
|
13,000,000
NOK
|
404,000,000
NOK
|
3 609
NOK
|
4 185
NOK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
-
NOK
|
522,000,000
NOK
|
542,000,000
NOK
|
20,000,000
NOK
|
— | — | — | — | — | — |
-
NOK
|
-
NOK
|
-
NOK
|
6,000,000
NOK
|
— | — |
188,000,000
NOK
|
— |
-
NOK
|
— |
-
NOK
|
-
NOK
|
— | — | — |
-
NOK
|
194,000,000
NOK
|
— | — | — | — | — | — | — |
| Other comprehensive income | — | — | — |
0
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
61,000,000
NOK
|
— | — | — | — | — | — | — |
| Comprehensive income | — | — | — |
542,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
133,000,000
NOK
|
— | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
-
NOK
|
-
NOK
|
145,000,000
NOK
|
-
NOK
|
— | — | — | — | — | — |
145,000,000
NOK
|
-
NOK
|
-
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,000,000
NOK
|
— | — |
9,000,000
NOK
|
— |
-
NOK
|
— |
-
NOK
|
-
NOK
|
— | — | — |
-
NOK
|
11,000,000
NOK
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
NOK
|
-
NOK
|
4,000,000
NOK
|
-
NOK
|
— | — | — | — | — | — |
-
NOK
|
-
NOK
|
4,000,000
NOK
|
-
NOK
|
— | — |
-
NOK
|
— |
-
NOK
|
— |
-
NOK
|
-
NOK
|
— | — | — |
5,000,000
NOK
|
5,000,000
NOK
|
— | — | — | — | — | — | — |