Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [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
|
| Other comprehensive income [abstract] | ||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, gains (losses) on revaluation of property, plant and equipment, right-of-use assets and intangible assets | — |
0
NOK
|
2,000,000
NOK
|
— | — |
2,000,000
NOK
|
— | — | — | — |
0
NOK
|
2,000,000
NOK
|
— | — |
2,000,000
NOK
|
— |
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — | — | — | — | — | — | — |
3,000,000
NOK
|
— | — | — |
3,000,000
NOK
|
— |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||
| Available-for-sale financial assets [abstract] | ||||||||||||||||
| Gains (losses) on remeasuring available-for-sale financial assets, net of tax | — |
5,000,000
NOK
|
— | — | — | — | — | — | — | — |
5,000,000
NOK
|
— | — | — | — | — |
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||||||
| Gains (losses) on financial assets measured at fair value through other comprehensive income, net of tax | — | — | — | — | — | — | — | — | — | — |
4,000,000
NOK
|
— | — | — |
4,000,000
NOK
|
— |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax | — |
0
NOK
|
— | — | — | — | — | — | — | — |
0
NOK
|
— | — | — | — | — |
| Other comprehensive income | — |
5,000,000
NOK
|
— | — | — |
5,000,000
NOK
|
0
NOK
|
— | — | — |
1,000,000
NOK
|
— | — | — | — | — |
| Comprehensive income | — |
338,000,000
NOK
|
— | — | — | — | — | — | — | — |
147,000,000
NOK
|
— | — | — | — | — |