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 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 2016-02-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment | — | — |
633,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
641,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — |
942,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
778,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
3 375
NOK
|
— | — | — | — | — | — | — | — | — |
2 735
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — | — |
216,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
215,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — |
1 253
NOK
|
— | — | — | — | — | — | — | — | — |
1 058
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
2 943
NOK
|
— | — | — | — | — | — | — | — | — |
1 971
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — |
655 376
NOK
|
— | — | — | — | — | — | — | — | — |
661 199
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital | — | — |
3 540
NOK
|
— | — | — | — | — | — | — | — | — |
3 540
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — |
9 196
NOK
|
— | — | — | — | — | — | — | — | — |
11 097
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — |
9 711
NOK
|
— | — | — | — | — | — | — | — | — |
9 711
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — |
8,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
5,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
1 899
NOK
|
15 150
NOK
|
25 174
NOK
|
5,000,000
NOK
|
0
NOK
|
9 711
NOK
|
9 199
NOK
|
3 540
NOK
|
820,000,000
NOK
|
11 098
NOK
|
5,000,000
NOK
|
547,000,000
NOK
|
26 010
NOK
|
14 361
NOK
|
1 110
NOK
|
9 711
NOK
|
0
NOK
|
3 540
NOK
|
11 323
NOK
|
69,000,000
NOK
|
3 540
NOK
|
599,000,000
NOK
|
13 850
NOK
|
5,000,000
NOK
|
9 711
NOK
|
438,000,000
NOK
|
25 686
NOK
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Provisions [abstract] | |||||||||||||||||||||||||||
| Other provisions | — | — |
40,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
48,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Provisions | — | — |
1 261
NOK
|
— | — | — | — | — | — | — | — | — |
702,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — |
1 180
NOK
|
— | — | — | — | — | — | — | — | — |
622,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — |
21 735
NOK
|
— | — | — | — | — | — | — | — | — |
15 880
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
655 376
NOK
|
— | — | — | — | — | — | — | — | — |
661 199
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |