Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
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 |
139,000,000.0
SEK
|
275,000,000.0
SEK
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
1,687,000,000.0
SEK
|
1,691,000,000.0
SEK
|
— |
| Prepayments and accrued income including contract assets [abstract] | |||
| Prepayments and accrued income including contract assets |
211,000,000
SEK
|
226,000,000
SEK
|
— |
| Categories of financial assets [abstract] | |||
| Financial assets at fair value through other comprehensive income [abstract] | |||
| Financial assets measured at fair value through other comprehensive income |
2,936,000,000.0
SEK
|
3,540,000,000.0
SEK
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
9,006,000,000.0
SEK
|
575,000,000.0
SEK
|
1,551,000,000.0
SEK
|
| Miscellaneous assets [abstract] | |||
| Derivative financial assets | — | — | — |
| Derivative financial assets held for hedging |
17,000,000
SEK
|
–
SEK
|
— |
| Loans and advances | — | — | — |
| Loans and advances to customers |
2 686,6
SEK
|
2 758,9
SEK
|
— |
| Other assets |
585,000,000.0
SEK
|
472,000,000.0
SEK
|
— |
| Borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
–
SEK
|
4,522,000,000.0
SEK
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current deposits from customers |
3 320,5
SEK
|
2 231,0
SEK
|
— |
| Current accrued expenses and other current liabilities |
853,000,000.0
SEK
|
675,000,000.0
SEK
|
— |
| Miscellaneous liabilities [abstract] | |||
| Derivative financial liabilities | — | — | — |
| Derivative financial liabilities held for hedging |
–
SEK
|
12,000,000.0
SEK
|
— |
| Subordinated liabilities [abstract] | |||
| Subordinated liabilities |
1,000,000,000.0
SEK
|
1,000,000,000.0
SEK
|
— |
| Other liabilities |
2,286,000,000.0
SEK
|
741,000,000.0
SEK
|
— |
| Issued capital [abstract] | |||
| Issued capital |
534,000,000.0
SEK
|
503,000,000.0
SEK
|
— |
| Retained earnings [abstract] | |||
| Retained earnings, profit (loss) for reporting period |
935,000,000.0
SEK
|
399,000,000.0
SEK
|
— |
| Retained earnings, excluding profit (loss) for reporting period |
5,145,000,000.0
SEK
|
5,377,000,000.0
SEK
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
4 204,9
SEK
|
3 474,0
SEK
|
— |
| Liabilities |
3 734,4
SEK
|
2 925,9
SEK
|
— |
| Assets less current liabilities [abstract] |