Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||||
| Property, plant and equipment [abstract] | ||||||
| Land and buildings [abstract] | ||||||
| Land and buildings |
190,000,000
NOK
|
139,000,000
NOK
|
190,000,000
NOK
|
142,000,000
NOK
|
— | — |
| Property, plant and equipment |
202,000,000
NOK
|
151,000,000
NOK
|
204,000,000
NOK
|
156,000,000
NOK
|
— | — |
| Intangible assets and goodwill [abstract] | ||||||
| Intangible assets and goodwill |
56,000,000
NOK
|
55,000,000
NOK
|
51,000,000
NOK
|
51,000,000
NOK
|
— | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | ||||||
| Investments in subsidiaries reported in separate financial statements |
0
NOK
|
1 571
NOK
|
0
NOK
|
1 571
NOK
|
— | — |
| Cash and cash equivalents [abstract] | ||||||
| Cash and cash equivalents |
394,000,000
NOK
|
394,000,000
NOK
|
428,000,000
NOK
|
428,000,000
NOK
|
542,000,000
NOK
|
542,000,000
NOK
|
| Miscellaneous assets [abstract] | ||||||
| Net defined benefit asset |
47,000,000
NOK
|
47,000,000
NOK
|
0
NOK
|
0
NOK
|
— | — |
| Derivative financial assets |
987,000,000
NOK
|
643,000,000
NOK
|
810,000,000
NOK
|
278,000,000
NOK
|
— | — |
| Loans and advances | — | — | — | — | — | — |
| Loans and advances to banks |
361,000,000
NOK
|
3 865
NOK
|
867,000,000
NOK
|
4 268
NOK
|
— | — |
| Loans and advances to customers |
76 078
NOK
|
45 723
NOK
|
69 925
NOK
|
41 067
NOK
|
— | — |
| Cash and bank balances at central banks |
394,000,000
NOK
|
394,000,000
NOK
|
428,000,000
NOK
|
428,000,000
NOK
|
— | — |
| Other assets |
117,000,000
NOK
|
117,000,000
NOK
|
123,000,000
NOK
|
117,000,000
NOK
|
— | — |
| Classes of other provisions [abstract] | ||||||
| Warranty provision [abstract] | ||||||
| Warranty provision |
26,000,000
NOK
|
26,000,000
NOK
|
39,000,000
NOK
|
39,000,000
NOK
|
— | — |
| Borrowings, by type [abstract] | ||||||
| Bonds issued |
34 236
NOK
|
7 429
NOK
|
30 263
NOK
|
5 174
NOK
|
— | — |
| Trade and other payables [abstract] | ||||||
| Accruals and deferred income including contract liabilities [abstract] | ||||||
| Accruals and deferred income including contract liabilities |
90,000,000
NOK
|
86,000,000
NOK
|
80,000,000
NOK
|
80,000,000
NOK
|
— | — |
| Miscellaneous liabilities [abstract] | ||||||
| Net defined benefit liability |
26,000,000
NOK
|
26,000,000
NOK
|
35,000,000
NOK
|
35,000,000
NOK
|
— | — |
| Derivative financial liabilities |
752,000,000
NOK
|
579,000,000
NOK
|
336,000,000
NOK
|
264,000,000
NOK
|
— | — |
| Deposit liabilities | — | — | — | — | — | — |
| Deposits from banks |
586,000,000
NOK
|
1 969
NOK
|
980,000,000
NOK
|
1 877
NOK
|
— | — |
| Deposits from customers [abstract] | ||||||
| Balances on term deposits from customers |
12 270
NOK
|
12 270
NOK
|
10 988
NOK
|
10 988
NOK
|
— | — |
| Balances on demand deposits from customers |
31 611
NOK
|
31 697
NOK
|
30 865
NOK
|
30 882
NOK
|
— | — |
| Deposits from customers |
43 881
NOK
|
43 967
NOK
|
41 853
NOK
|
41 870
NOK
|
— | — |
| Subordinated liabilities [abstract] | ||||||
| Subordinated liabilities |
857,000,000
NOK
|
857,000,000
NOK
|
703,000,000
NOK
|
703,000,000
NOK
|
— | — |
| Other liabilities |
629,000,000
NOK
|
651,000,000
NOK
|
543,000,000
NOK
|
626,000,000
NOK
|
— | — |
| Issued capital [abstract] | ||||||
| Issued capital |
989,000,000
NOK
|
989,000,000
NOK
|
989,000,000
NOK
|
989,000,000
NOK
|
— | — |
| Accumulated other comprehensive income [abstract] | ||||||
| Reserve of change in fair value of financial liability attributable to change in credit risk of liability |
16,000,000
NOK
|
0
NOK
|
8,000,000
NOK
|
0
NOK
|
— | — |
| Net assets (liabilities) [abstract] | ||||||
| Assets |
89 501
NOK
|
63 704
NOK
|
82 797
NOK
|
58 179
NOK
|
— | — |
| Liabilities |
81 399
NOK
|
55 787
NOK
|
75 227
NOK
|
50 868
NOK
|
— | — |
| Assets less current liabilities [abstract] |