Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||
| Profit (loss) |
1 310
NOK
|
21,000,000
NOK
|
1,000,000
NOK
|
863,000,000
NOK
|
134,000,000
NOK
|
559,000,000
NOK
|
380,000,000
NOK
|
1,000,000
NOK
|
1 041
NOK
|
3,000,000
NOK
|
74,000,000
NOK
|
586,000,000
NOK
|
| Other comprehensive income [abstract] | ||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans |
0
NOK
|
— | — |
0
NOK
|
— |
0
NOK
|
14,000,000
NOK
|
— |
35,000,000
NOK
|
— | — |
21,000,000
NOK
|
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax |
44,000,000
NOK
|
— | — | — | — | — | — | — |
158,000,000
NOK
|
— | — | — |
| Comprehensive income |
1 303
NOK
|
— | — | — | — | — | — | — |
1 078
NOK
|
— | — | — |
| Comprehensive income attributable to [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent |
1 302
NOK
|
— | — | — | — | — | — | — |
1 075
NOK
|
— | — | — |
| Comprehensive income, attributable to non-controlling interests |
1,000,000
NOK
|
— | — | — | — | — | — | — |
3,000,000
NOK
|
— | — | — |