Statement Of Financial Position [Abstract]
| Concept |
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 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 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 |
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 financial position [abstract] | ||||||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Property, plant and equipment |
115,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — |
124,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
361,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — |
356,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
36,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — |
29,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Cash and cash equivalents |
90,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — |
91,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
95,000,000
NOK
|
| Assets |
29 610
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — |
27 984
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Issued capital |
1 565
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — |
1 565
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
491,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — |
492,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
173,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — |
184,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
1,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — |
1,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
4 324
NOK
|
42,000,000
NOK
|
6,000,000
NOK
|
205,000,000
NOK
|
1 779
NOK
|
5,000,000
NOK
|
100,000,000
NOK
|
131,000,000
NOK
|
98,000,000
NOK
|
491,000,000
NOK
|
1 565
NOK
|
4 323
NOK
|
169,000,000
NOK
|
4 182
NOK
|
1 580
NOK
|
5,000,000
NOK
|
94,000,000
NOK
|
7,000,000
NOK
|
16,000,000
NOK
|
254,000,000
NOK
|
4 181
NOK
|
492,000,000
NOK
|
1,000,000
NOK
|
1 565
NOK
|
1,000,000
NOK
|
3 935
NOK
|
1 565
NOK
|
5,000,000
NOK
|
94,000,000
NOK
|
1 562
NOK
|
1,000,000
NOK
|
7,000,000
NOK
|
34,000,000
NOK
|
175,000,000
NOK
|
492,000,000
NOK
|
3 935
NOK
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Liabilities |
25 285
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — |
23 802
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
29 610
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — |
27 984
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |