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 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 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 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — |
1 437
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 493
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — |
639,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
547,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — |
7,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
16,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — |
7 490
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
7 760
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Current inventories | — | — |
198,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
225,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
680,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
708,000,000
NOK
|
— | — | — | — | — |
563,000,000
NOK
|
— | — | — | — | — | — |
656,000,000
NOK
|
— | — | — | — | — |
| Current assets | — | — |
5 618
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5 101
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — |
13 108
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
12 862
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Equity attributable to owners of parent | — | — |
2 654
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 593
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — |
918,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
901,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
2 175
NOK
|
501,000,000
NOK
|
3 572
NOK
|
22,000,000
NOK
|
20,000,000
NOK
|
2 654
NOK
|
918,000,000
NOK
|
16,000,000
NOK
|
5,000,000
NOK
|
1 839
NOK
|
901,000,000
NOK
|
49,000,000
NOK
|
756,000,000
NOK
|
2 593
NOK
|
5,000,000
NOK
|
18,000,000
NOK
|
62,000,000
NOK
|
3 494
NOK
|
2 189
NOK
|
809,000,000
NOK
|
18,000,000
NOK
|
4,000,000
NOK
|
935,000,000
NOK
|
2 999
NOK
|
1 302
NOK
|
29,000,000
NOK
|
5,000,000
NOK
|
19,000,000
NOK
|
378,000,000
NOK
|
1 727
NOK
|
2 105
NOK
|
252,000,000
NOK
|
32,000,000
NOK
|
5,000,000
NOK
|
1 500
NOK
|
16,000,000
NOK
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current provisions | — | — |
100,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
92,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — |
585,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
516,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — |
1 343
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 426
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||||||||||
| Current provisions | — | — |
625,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
629,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — |
6 956
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
6 691
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — |
232,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
236,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — |
8 193
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
7 942
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — |
9 536
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
9 368
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
13 108
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
12 862
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |