Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
1 797
NOK
|
1 462
NOK
|
— | — |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill |
8,000,000
NOK
|
6,000,000
NOK
|
— | — |
| Goodwill |
4 531
NOK
|
4 455
NOK
|
— | — |
| Investments accounted for using equity method [abstract] | ||||
| Investments accounted for using equity method |
565,000,000
NOK
|
490,000,000
NOK
|
— | — |
| Trade and other current receivables [abstract] | ||||
| Trade and other current receivables |
3 518
NOK
|
3 536
NOK
|
— | — |
| Current prepayments and current accrued income including current contract assets [abstract] | ||||
| Current accrued income including current contract assets [abstract] | ||||
| Current contract assets |
1 710
NOK
|
2 021
NOK
|
— | — |
| Categories of non-current financial assets [abstract] | ||||
| Non-current loans and receivables |
317,000,000
NOK
|
268,000,000
NOK
|
— | — |
| Categories of current financial assets [abstract] | ||||
| Current loans and receivables |
32,000,000
NOK
|
44,000,000
NOK
|
— | — |
| Classes of current inventories [abstract] | ||||
| Property intended for sale in ordinary course of business |
194,000,000
NOK
|
158,000,000
NOK
|
— | — |
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
347,000,000
NOK
|
765,000,000
NOK
|
680,000,000
NOK
|
708,000,000
NOK
|
| Miscellaneous current assets [abstract] | ||||
| Current derivative financial assets |
2,000,000
NOK
|
-
NOK
|
— | — |
| Classes of other provisions [abstract] | ||||
| Other provisions [abstract] | ||||
| Other non-current provisions |
120,000,000
NOK
|
117,000,000
NOK
|
— | — |
| Other current provisions |
810,000,000
NOK
|
585,000,000
NOK
|
— | — |
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
93,000,000
NOK
|
75,000,000
NOK
|
— | — |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings |
233,000,000
NOK
|
433,000,000
NOK
|
— | — |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Trade and other current payables [abstract] | ||||
| Current accruals and current deferred income including current contract liabilities [abstract] | ||||
| Current deferred income including current contract liabilities [abstract] | ||||
| Current contract liabilities [abstract] | ||||
| Current contract liabilities |
1 389
NOK
|
1 546
NOK
|
— | — |
| Trade and other current payables |
7 067
NOK
|
6 423
NOK
|
— | — |
| Miscellaneous non-current liabilities [abstract] | ||||
| Non-current net defined benefit liability |
8,000,000
NOK
|
3,000,000
NOK
|
— | — |
| Non-current derivative financial liabilities |
11,000,000
NOK
|
2,000,000
NOK
|
— | — |
| Miscellaneous current liabilities [abstract] | ||||
| Current derivative financial liabilities |
15,000,000
NOK
|
20,000,000
NOK
|
— | — |
| Net assets (liabilities) [abstract] | ||||
| Assets |
14 647
NOK
|
14 457
NOK
|
— | — |
| Liabilities |
11 444
NOK
|
10 963
NOK
|
— | — |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
6 241
NOK
|
6 827
NOK
|
— | — |
| Current liabilities |
10 106
NOK
|
9 713
NOK
|
— | — |
| Assets less current liabilities [abstract] |