Statement Of Financial Position [Abstract]
| Concept |
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 2021-01-01 |
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 2020-01-01 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — |
219,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
170,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — |
190,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
188,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
930,000,000
NOK
|
— | — | — | — |
1 026
NOK
|
— | — | — | — | — | — | — | — | — |
1 026
NOK
|
— |
646,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
25 583
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
17 391
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — |
909,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
224,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — |
116,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
8,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — |
48,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
24,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — |
5,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
13,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
131,000,000
NOK
|
48,000,000
NOK
|
103,000,000
NOK
|
1 712
NOK
|
13,000,000
NOK
|
245,000,000
NOK
|
3 331
NOK
|
49,000,000
NOK
|
116,000,000
NOK
|
5,000,000
NOK
|
909,000,000
NOK
|
— |
68,000,000
NOK
|
13,000,000
NOK
|
224,000,000
NOK
|
185,000,000
NOK
|
16,000,000
NOK
|
1 617
NOK
|
99,000,000
NOK
|
24,000,000
NOK
|
8,000,000
NOK
|
2 307
NOK
|
51,000,000
NOK
|
— |
11,000,000
NOK
|
71,000,000
NOK
|
19,000,000
NOK
|
8,000,000
NOK
|
2 187
NOK
|
10,000,000
NOK
|
1 546
NOK
|
185,000,000
NOK
|
67,000,000
NOK
|
44,000,000
NOK
|
224,000,000
NOK
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||
| Current tax liabilities | — | — | — | — | — | — |
26,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
35,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — |
28,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
13,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — |
22 252
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
15 084
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
25 583
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
17 391
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |