Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Property, plant and equipment |
178,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
162,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
170,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
196,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Cash and cash equivalents |
1 472
NOK
|
— | — | — | — | — | — | — | — | — |
1 629
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
926,000,000
NOK
|
— | — | — | — | — | — | — |
| Assets |
27 557
NOK
|
— | — | — | — | — | — | — | — | — |
27 108
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Issued capital |
906,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
906,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
118,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
118,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
57,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
59,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
4,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
5,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
3 762
NOK
|
20,000,000
NOK
|
18,000,000
NOK
|
2 084
NOK
|
285,000,000
NOK
|
4,000,000
NOK
|
118,000,000
NOK
|
906,000,000
NOK
|
270,000,000
NOK
|
57,000,000
NOK
|
3 584
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
|
59,000,000
NOK
|
13,000,000
NOK
|
118,000,000
NOK
|
906,000,000
NOK
|
5,000,000
NOK
|
1 712
NOK
|
3 282
NOK
|
245,000,000
NOK
|
103,000,000
NOK
|
131,000,000
NOK
|
48,000,000
NOK
|
13,000,000
NOK
|
1 712
NOK
|
48,000,000
NOK
|
3 331
NOK
|
131,000,000
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
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Liabilities |
23 795
NOK
|
— | — | — | — | — | — | — | — | — |
23 524
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
27 557
NOK
|
— | — | — | — | — | — | — | — | — |
27 108
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |