Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment | — | — |
1 190
SEK
|
1 212
SEK
|
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets and goodwill | — | — |
7 280
SEK
|
7 466
SEK
|
| Trade and other non-current receivables [abstract] | ||||
| Non-current prepayments and non-current accrued income other than non-current contract assets [abstract] | ||||
| Non-current prepayments and non-current accrued income other than non-current contract assets | — | — |
2 714
SEK
|
2 714
SEK
|
| Cash and cash equivalents [abstract] | ||||
| Cash [abstract] | ||||
| Cash | — | — |
2 585
SEK
|
2 157
SEK
|
| Cash equivalents [abstract] | ||||
| Short-term deposits, classified as cash equivalents | — | — |
6 372
SEK
|
5 006
SEK
|
| Miscellaneous assets [abstract] | ||||
| Net defined benefit asset | — | — |
24 188
SEK
|
23 804
SEK
|
| Derivative financial assets | — | — |
187 622
SEK
|
126 051
SEK
|
| Equity instruments held | — | — |
66 594
SEK
|
120 742
SEK
|
| Loans and advances | — | — | — | — |
| Loans and advances to customers | — | — |
2 065 271
SEK
|
1 846 362
SEK
|
| Cash and bank balances at central banks | — | — |
377 966
SEK
|
439 344
SEK
|
| Bank balances at central banks other than mandatory reserve deposits | — | — |
437 187
SEK
|
375 381
SEK
|
| Investments for risk of policyholders | — | — |
356 367
SEK
|
422 497
SEK
|
| Other assets | — | — |
16 888
SEK
|
21 001
SEK
|
| Categories of current financial liabilities [abstract] | ||||
| Current financial liabilities at fair value through profit or loss [abstract] | ||||
| Current financial liabilities at fair value through profit or loss, classified as held for trading | — | — |
44 635
SEK
|
34 569
SEK
|
| Miscellaneous current liabilities [abstract] | ||||
| Current accrued expenses and other current liabilities | — | — |
5 827
SEK
|
5 848
SEK
|
| Miscellaneous liabilities [abstract] | ||||
| Net defined benefit liability | — | — |
64,000,000
SEK
|
445,000,000
SEK
|
| Derivative financial liabilities | — | — |
238 048
SEK
|
118 173
SEK
|
| Deposit liabilities | — | — | — | — |
| Deposits from banks | — | — |
66 873
SEK
|
75 206
SEK
|
| Deposits from customers [abstract] | ||||
| Deposits from customers | — | — |
1 701 687
SEK
|
1 597 449
SEK
|
| Subordinated liabilities [abstract] | ||||
| Subordinated liabilities | — | — |
28 767
SEK
|
28 549
SEK
|
| Debt instruments issued | — | — |
795 149
SEK
|
730 106
SEK
|
| Investment contracts liabilities | — | — |
357 975
SEK
|
424 226
SEK
|
| Other liabilities | — | — |
37 065
SEK
|
42 886
SEK
|
| Issued capital [abstract] | ||||
| Issued capital |
154,000,000
SEK
|
154,000,000
SEK
|
21 942
SEK
|
21 942
SEK
|
| Retained earnings [abstract] | ||||
| Retained earnings | — | — |
161 387
SEK
|
152 290
SEK
|
| Net assets (liabilities) [abstract] | ||||
| Assets | — | — |
3 532 810
SEK
|
3 304 230
SEK
|
| Liabilities | — | — |
3 328 287
SEK
|
3 111 002
SEK
|
| Assets less current liabilities [abstract] |