Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
1 635,9
NOK
|
1 440,3
NOK
|
— | — |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill |
2 307,3
NOK
|
1 732,0
NOK
|
— | — |
| Goodwill |
5 293,6
NOK
|
3 954,5
NOK
|
— | — |
| Investments accounted for using equity method [abstract] | ||||
| Investments accounted for using equity method |
86 6,4
NOK
|
1 280,9
NOK
|
— | — |
| Trade and other receivables [abstract] | ||||
| Trade receivables |
9 164,9
NOK
|
8 220,0
NOK
|
— | — |
| Receivables due from related parties | — | — | — | — |
| Receivables due from joint ventures |
0 ,0
NOK
|
1 735,1
NOK
|
— | — |
| Prepayments and accrued income other than contract assets [abstract] | ||||
| Prepayments |
7 2, 0
NOK
|
2 2, 2
NOK
|
— | — |
| Other receivables |
95 5,1
NOK
|
93 8,6
NOK
|
— | — |
| Prepayments and accrued income including contract assets [abstract] | ||||
| Categories of financial assets [abstract] | ||||
| Financial assets at fair value through profit or loss [abstract] | ||||
| Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently |
3 742,5
NOK
|
6 464,0
NOK
|
— | — |
| Held-to-maturity investments |
4 2, 1
NOK
|
5 9, 8
NOK
|
— | — |
| Loans and receivables |
23 892,6
NOK
|
21 337,7
NOK
|
— | — |
| Financial assets at amortised cost |
36 219,6
NOK
|
31 026,4
NOK
|
— | — |
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
3 195,2
NOK
|
2 348,1
NOK
|
2 348,1
NOK
|
2 861,1
NOK
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — |
4 247,9
NOK
|
— | — |
| Miscellaneous assets [abstract] | ||||
| Net defined benefit asset |
18 7,4
NOK
|
26 2,5
NOK
|
— | — |
| Restricted cash and cash equivalents |
1,075,000,000
NOK
|
977,000,000
NOK
|
— | — |
| Derivative financial assets | — | — | — | — |
| Derivative financial assets held for trading |
44 9,7
NOK
|
69 5,6
NOK
|
— | — |
| Classes of other provisions [abstract] | ||||
| Other provisions [abstract] | ||||
| Other provisions |
58 5,7
NOK
|
61 3,5
NOK
|
— | — |
| Trade and other payables [abstract] | ||||
| Accruals and deferred income including contract liabilities [abstract] | ||||
| Accruals |
58 5,0
NOK
|
46 5,2
NOK
|
— | — |
| Categories of financial liabilities [abstract] | ||||
| Financial liabilities at fair value through profit or loss [abstract] | ||||
| Financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently |
45 916,1
NOK
|
42 989,7
NOK
|
— | — |
| Miscellaneous liabilities [abstract] | ||||
| Derivative financial liabilities | — | — | — | — |
| Derivative financial liabilities held for trading |
40 0,7
NOK
|
49 7,6
NOK
|
— | — |
| Subordinated liabilities [abstract] | ||||
| Dated subordinated liabilities |
2 397,0
NOK
|
2 396,1
NOK
|
— | — |
| Issued capital [abstract] | ||||
| Issued capital |
99 9,9
NOK
|
99 9,9
NOK
|
— | — |
| Net assets (liabilities) [abstract] | ||||
| Assets |
135 152,8
NOK
|
129 822,1
NOK
|
— | — |
| Liabilities |
109 279,4
NOK
|
104 616,9
NOK
|
— | — |
| Assets less current liabilities [abstract] |