Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-01-01 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
1 278
SEK
|
1 190
SEK
|
1 212
SEK
|
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
6 925
SEK
|
7 185
SEK
|
7 374
SEK
|
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
1 572
SEK
|
1 365
SEK
|
1 510
SEK
|
| Trade and other receivables [abstract] | |||
| Prepayments and accrued income other than contract assets [abstract] | |||
| Prepayments and accrued income other than contract assets |
2 973
SEK
|
2 714
SEK
|
2 714
SEK
|
| Cash and cash equivalents [abstract] | |||
| Cash [abstract] | |||
| Cash |
2 331
SEK
|
2 585
SEK
|
— |
| Cash equivalents [abstract] | |||
| Short-term deposits, classified as cash equivalents |
8 506
SEK
|
5 006
SEK
|
— |
| Miscellaneous assets [abstract] | |||
| Net defined benefit asset |
23 765
SEK
|
24 188
SEK
|
23 804
SEK
|
| Derivative financial assets |
183 080
SEK
|
187 622
SEK
|
126 051
SEK
|
| Equity instruments held |
92 707
SEK
|
68 779
SEK
|
123 229
SEK
|
| Debt instruments held [abstract] | |||
| Debt instruments held |
266 252
SEK
|
252 496
SEK
|
205 791
SEK
|
| Loans and advances | — | — | — |
| Loans and advances to customers |
2 101 181
SEK
|
2 065 271
SEK
|
1 846 362
SEK
|
| Cash and bank balances at central banks |
312 373
SEK
|
377 966
SEK
|
439 344
SEK
|
| Bank balances at central banks other than mandatory reserve deposits |
310 042
SEK
|
375 381
SEK
|
— |
| Investments for risk of policyholders |
392 457
SEK
|
354 299
SEK
|
420 170
SEK
|
| Other assets |
19 849
SEK
|
16 951
SEK
|
21 060
SEK
|
| Trade and other payables [abstract] | |||
| Accruals and deferred income including contract liabilities [abstract] | |||
| Accruals and deferred income including contract liabilities |
5 648
SEK
|
5 827
SEK
|
5 848
SEK
|
| Categories of financial liabilities [abstract] | |||
| Financial liabilities at fair value through profit or loss [abstract] | |||
| Financial liabilities at fair value through profit or loss that meet definition of held for trading |
33 700
SEK
|
44 635
SEK
|
34 569
SEK
|
| Miscellaneous liabilities [abstract] | |||
| Net defined benefit liability |
66,000,000
SEK
|
64,000,000
SEK
|
445,000,000
SEK
|
| Derivative financial liabilities |
204 176
SEK
|
238 048
SEK
|
118 173
SEK
|
| Deposit liabilities | — | — | — |
| Deposits from banks |
147 323
SEK
|
66 873
SEK
|
75 206
SEK
|
| Deposits from customers [abstract] | |||
| Deposits from customers |
1 611 651
SEK
|
1 701 687
SEK
|
1 597 449
SEK
|
| Subordinated liabilities [abstract] | |||
| Subordinated liabilities |
29 687
SEK
|
28 767
SEK
|
28 549
SEK
|
| Debt instruments issued |
867 838
SEK
|
795 149
SEK
|
730 106
SEK
|
| Investment contracts liabilities |
392 362
SEK
|
355 796
SEK
|
421 820
SEK
|
| Other liabilities |
39 607
SEK
|
37 152
SEK
|
42 966
SEK
|
| Issued capital [abstract] | |||
| Issued capital |
21 942
SEK
|
21 942
SEK
|
21 942
SEK
|
| Retained earnings [abstract] | |||
| Retained earnings |
179 721
SEK
|
160 995
SEK
|
152 011
SEK
|
| Net assets (liabilities) [abstract] | |||
| Assets |
3 608 218
SEK
|
3 532 779
SEK
|
3 304 197
SEK
|
| Liabilities |
3 386 443
SEK
|
3 328 637
SEK
|
3 111 249
SEK
|
| Assets less current liabilities [abstract] |