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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||
| Property, plant and equipment |
223,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
219,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
196,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
190,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1 629
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
927,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1 023
NOK
|
— | — | — |
| Assets |
27 169
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
25 583
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||
| Issued capital |
906,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
909,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
118,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
116,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
58,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
48,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
5,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
3 630
NOK
|
86,000,000
NOK
|
1 896
NOK
|
285,000,000
NOK
|
5,000,000
NOK
|
118,000,000
NOK
|
15,000,000
NOK
|
906,000,000
NOK
|
214,000,000
NOK
|
47,000,000
NOK
|
58,000,000
NOK
|
13,000,000
NOK
|
1 712
NOK
|
48,000,000
NOK
|
131,000,000
NOK
|
3 331
NOK
|
245,000,000
NOK
|
103,000,000
NOK
|
49,000,000
NOK
|
118,000,000
NOK
|
5,000,000
NOK
|
906,000,000
NOK
|
16,000,000
NOK
|
13,000,000
NOK
|
185,000,000
NOK
|
224,000,000
NOK
|
24,000,000
NOK
|
1 617
NOK
|
8,000,000
NOK
|
2 307
NOK
|
51,000,000
NOK
|
68,000,000
NOK
|
99,000,000
NOK
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Deferred tax liabilities |
22,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
28,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
23 539
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
22 252
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
27 169
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
25 583
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |