Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||||
| Property, plant and equipment [abstract] | ||||||
| Land and buildings [abstract] | ||||||
| Land and buildings |
190,000,000
NOK
|
142,000,000
NOK
|
211,000,000
NOK
|
170,000,000
NOK
|
— | — |
| Property, plant and equipment |
204,000,000
NOK
|
156,000,000
NOK
|
224,000,000
NOK
|
183,000,000
NOK
|
— | — |
| Intangible assets and goodwill [abstract] | ||||||
| Intangible assets and goodwill |
51,000,000
NOK
|
51,000,000
NOK
|
56,000,000
NOK
|
56,000,000
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
|
2 071
NOK
|
— | — |
| Cash and cash equivalents [abstract] | ||||||
| Cash and cash equivalents |
428,000,000
NOK
|
428,000,000
NOK
|
542,000,000
NOK
|
542,000,000
NOK
|
1 072
NOK
|
1 072
NOK
|
| Miscellaneous assets [abstract] | ||||||
| Derivative financial assets |
810,000,000
NOK
|
278,000,000
NOK
|
1 793
NOK
|
677,000,000
NOK
|
— | — |
| Loans and advances | — | — | — | — | — | — |
| Loans and advances to banks |
867,000,000
NOK
|
4 268
NOK
|
1 166
NOK
|
5 925
NOK
|
— | — |
| Loans and advances to customers |
69 925
NOK
|
41 067
NOK
|
66 850
NOK
|
37 925
NOK
|
— | — |
| Cash and bank balances at central banks |
428,000,000
NOK
|
428,000,000
NOK
|
542,000,000
NOK
|
542,000,000
NOK
|
— | — |
| Other assets |
123,000,000
NOK
|
117,000,000
NOK
|
114,000,000
NOK
|
111,000,000
NOK
|
— | — |
| Classes of other provisions [abstract] | ||||||
| Warranty provision [abstract] | ||||||
| Warranty provision |
39,000,000
NOK
|
39,000,000
NOK
|
50,000,000
NOK
|
50,000,000
NOK
|
— | — |
| Borrowings, by type [abstract] | ||||||
| Bonds issued |
30 263
NOK
|
5 174
NOK
|
28 774
NOK
|
5 286
NOK
|
— | — |
| Miscellaneous liabilities [abstract] | ||||||
| Net defined benefit liability |
35,000,000
NOK
|
35,000,000
NOK
|
57,000,000
NOK
|
57,000,000
NOK
|
— | — |
| Derivative financial liabilities |
336,000,000
NOK
|
264,000,000
NOK
|
537,000,000
NOK
|
521,000,000
NOK
|
— | — |
| Deposit liabilities | — | — | — | — | — | — |
| Deposits from banks |
980,000,000
NOK
|
1 877
NOK
|
2 209
NOK
|
3 113
NOK
|
— | — |
| Deposits from customers [abstract] | ||||||
| Balances on term deposits from customers |
10 988
NOK
|
10 988
NOK
|
10 907
NOK
|
10 907
NOK
|
— | — |
| Balances on demand deposits from customers |
30 865
NOK
|
30 882
NOK
|
28 116
NOK
|
28 142
NOK
|
— | — |
| Deposits from customers |
41 853
NOK
|
41 870
NOK
|
39 023
NOK
|
39 049
NOK
|
— | — |
| Subordinated liabilities [abstract] | ||||||
| Subordinated liabilities |
703,000,000
NOK
|
703,000,000
NOK
|
702,000,000
NOK
|
702,000,000
NOK
|
— | — |
| Other liabilities |
543,000,000
NOK
|
626,000,000
NOK
|
543,000,000
NOK
|
633,000,000
NOK
|
— | — |
| Issued capital [abstract] | ||||||
| Issued capital |
989,000,000
NOK
|
989,000,000
NOK
|
989,000,000
NOK
|
989,000,000
NOK
|
— | — |
| Net assets (liabilities) [abstract] | ||||||
| Assets |
82 797
NOK
|
58 179
NOK
|
79 486
NOK
|
56 618
NOK
|
— | — |
| Liabilities |
75 227
NOK
|
50 868
NOK
|
72 278
NOK
|
49 664
NOK
|
— | — |
| Assets less current liabilities [abstract] |