Analysis Of Income And Expense [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||
| Revenue [abstract] | ||||||||||||
| Interest income | — | — | — | — | — | — | — | — | — | — | — | — |
| Interest income on other financial assets |
25,000,000
SEK
|
— | — | — | — | — | — |
18,000,000
SEK
|
— | — | — | — |
| Revenue |
1 697
SEK
|
— | — | — | — | — | — |
1 996
SEK
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||
| Finance income (cost) |
103,000,000
SEK
|
— | — | — | — | — | — |
8,000,000
SEK
|
— | — | — | — |
| Other finance income |
321,000,000
SEK
|
— | — | — | — | — | — |
185,000,000
SEK
|
— | — | — | — |
| Other finance cost |
325,000,000
SEK
|
— | — | — | — | — | — |
142,000,000
SEK
|
— | — | — | — |
| Interest expense |
156,000,000
SEK
|
— | — | — | — | — | — |
80,000,000
SEK
|
— | — | — | — |
| Miscellaneous other operating expense |
18,000,000
SEK
|
— | — | — | — | — | — |
19,000,000
SEK
|
— | — | — | — |
| Revenue and other operating income |
2 333
SEK
|
— | — | — | — | — | — |
2 611
SEK
|
— | — | — | — |
| Fee and commission income (expense) [abstract] | ||||||||||||
| Fee and commission expense [abstract] | ||||||||||||
| Fee and commission expense |
874,000,000
SEK
|
— | — | — | — | — | — |
402,000,000
SEK
|
— | — | — | — |
| Expenses by nature [abstract] | ||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||
| Employee benefits expense |
838,000,000
SEK
|
— | — | — | — | — | — |
919,000,000
SEK
|
— | — | — | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||||
| Depreciation and amortisation expense |
72,000,000
SEK
|
— | — | — | — | — | — |
75,000,000
SEK
|
— | — | — | — |
| Other expenses, by nature |
385,000,000
SEK
|
— | — | — | — | — | — |
374,000,000
SEK
|
— | — | — | — |
| Disclosure of attribution of expenses by nature to their function [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [abstract] | ||||||||||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||
| Share of profit (loss) of associates accounted for using equity method |
6,000,000
SEK
|
— | — | — | — | — | — |
63,000,000
SEK
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income |
7,000,000
SEK
|
13,000,000
SEK
|
21,000,000
SEK
|
6,000,000
SEK
|
8,000,000
SEK
|
7,000,000
SEK
|
596,000,000
SEK
|
800,000,000
SEK
|
29,000,000
SEK
|
536,000,000
SEK
|
204,000,000
SEK
|
89,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent |
6,000,000
SEK
|
— | — | — | — | — | — |
596,000,000
SEK
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to non-controlling interests |
13,000,000
SEK
|
— | — | — | — | — | — |
204,000,000
SEK
|
— | — | — | — |