Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
1 437
NOK
|
1 493
NOK
|
— | — |
| Investments accounted for using equity method [abstract] | ||||
| Investments accounted for using equity method |
639,000,000
NOK
|
547,000,000
NOK
|
— | — |
| Categories of non-current financial assets [abstract] | ||||
| Non-current loans and receivables |
282,000,000
NOK
|
443,000,000
NOK
|
— | — |
| Categories of current financial assets [abstract] | ||||
| Current loans and receivables |
65,000,000
NOK
|
66,000,000
NOK
|
— | — |
| Classes of current inventories [abstract] | ||||
| Property intended for sale in ordinary course of business |
51,000,000
NOK
|
135,000,000
NOK
|
— | — |
| Current inventories |
198,000,000
NOK
|
225,000,000
NOK
|
— | — |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
680,000,000
NOK
|
708,000,000
NOK
|
563,000,000
NOK
|
656,000,000
NOK
|
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
90,000,000
NOK
|
155,000,000
NOK
|
— | — |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings and current portion of non-current borrowings |
54,000,000
NOK
|
8,000,000
NOK
|
— | — |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||||
| Trade and other current payables [abstract] | ||||
| Trade and other current payables |
6 956
NOK
|
6 691
NOK
|
— | — |
| Miscellaneous non-current liabilities [abstract] | ||||
| Non-current derivative financial liabilities |
8,000,000
NOK
|
26,000,000
NOK
|
— | — |
| Miscellaneous current liabilities [abstract] | ||||
| Current derivative financial liabilities |
24,000,000
NOK
|
46,000,000
NOK
|
— | — |
| Miscellaneous liabilities [abstract] | ||||
| Net defined benefit liability |
6,000,000
NOK
|
3,000,000
NOK
|
— | — |
| Net assets (liabilities) [abstract] | ||||
| Assets |
13 108
NOK
|
12 862
NOK
|
— | — |
| Liabilities |
9 536
NOK
|
9 368
NOK
|
— | — |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
5 618
NOK
|
5 101
NOK
|
— | — |
| Current liabilities |
8 193
NOK
|
7 942
NOK
|
— | — |
| Assets less current liabilities [abstract] |