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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||
| Assets [abstract] | ||||||||||||
| Non-current assets [abstract] | ||||||||||||
| Property, plant and equipment |
4 103
NOK
|
— | — | — |
3 586
NOK
|
— | — | — | — | — | — | — |
| Intangible assets other than goodwill |
21,000,000
NOK
|
— | — | — |
55,000,000
NOK
|
— | — | — | — | — | — | — |
| Non-current assets |
4 538
NOK
|
— | — | — |
4 084
NOK
|
— | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||
| Current inventories |
1 203
NOK
|
— | — | — |
1 194
NOK
|
— | — | — | — | — | — | — |
| Trade and other current receivables |
1 411
NOK
|
— | — | — |
1 288
NOK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents |
1 489
NOK
|
— | — | — |
980,000,000
NOK
|
— | — | — |
970,000,000
NOK
|
— | — | — |
| Current assets |
4 587
NOK
|
— | — | — |
3 703
NOK
|
— | — | — | — | — | — | — |
| Assets |
9 125
NOK
|
— | — | — |
7 787
NOK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital |
8 898
NOK
|
— | — | — |
8 510
NOK
|
— | — | — | — | — | — | — |
| Equity |
3 133
NOK
|
5 765
NOK
|
2 249
NOK
|
6 649
NOK
|
3 219
NOK
|
6 261
NOK
|
5 292
NOK
|
2 249
NOK
|
5 493
NOK
|
3 018
NOK
|
2 249
NOK
|
6 261
NOK
|
| Liabilities [abstract] | ||||||||||||
| Non-current liabilities [abstract] | ||||||||||||
| Non-current provisions [abstract] | ||||||||||||
| Non-current provisions for employee benefits |
312,000,000
NOK
|
— | — | — |
297,000,000
NOK
|
— | — | — | — | — | — | — |
| Deferred tax liabilities |
260,000,000
NOK
|
— | — | — |
308,000,000
NOK
|
— | — | — | — | — | — | — |
| Non-current liabilities |
3 391
NOK
|
— | — | — |
2 496
NOK
|
— | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||
| Trade and other current payables |
1 941
NOK
|
— | — | — |
1 728
NOK
|
— | — | — | — | — | — | — |
| Current tax liabilities, current |
50,000,000
NOK
|
— | — | — |
54,000,000
NOK
|
— | — | — | — | — | — | — |
| Current liabilities |
2 600
NOK
|
— | — | — |
2 073
NOK
|
— | — | — | — | — | — | — |
| Liabilities |
5 991
NOK
|
— | — | — |
4 568
NOK
|
— | — | — | — | — | — | — |
| Equity and liabilities |
9 125
NOK
|
— | — | — |
7 787
NOK
|
— | — | — | — | — | — | — |