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 |
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 | — |
3,728,000,000
SEK
|
— | — | — | — | — |
2,889,000,000
SEK
|
— | — |
| Material income and expense [abstract] | ||||||||||
| Interest expense | — |
1,008,000,000
SEK
|
— | — | — | — | — |
504,000,000
SEK
|
— | — |
| Interest income (expense) | — |
2,720,000,000
SEK
|
— | — | — | — | — |
2,385,000,000
SEK
|
— | — |
| Miscellaneous other operating expense | — |
193,000,000
SEK
|
— | — | — | — | — |
248,000,000
SEK
|
— | — |
| Revenue and other operating income | — |
4,485,000,000
SEK
|
— | — | — | — | — |
4,109,000,000
SEK
|
— | — |
| Fee and commission income (expense) [abstract] | ||||||||||
| Fee and commission income [abstract] | ||||||||||
| Other fee and commission income | — |
1,841,000,000
SEK
|
— | — | — | — | — |
1,850,000,000
SEK
|
— | — |
| Fee and commission expense [abstract] | ||||||||||
| Other fee and commission expense | — |
74,000,000
SEK
|
— | — | — | — | — |
93,000,000
SEK
|
— | — |
| Expenses by nature [abstract] | ||||||||||
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||
| Depreciation and amortisation expense | — |
731,000,000
SEK
|
— | — | — | — | — |
1,056,000,000
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] | ||||||||||
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income |
–
SEK
|
40,000,000
SEK
|
41,000,000
SEK
|
–
SEK
|
1,000,000
SEK
|
–
SEK
|
39,000,000
SEK
|
974,000,000
SEK
|
–
SEK
|
935,000,000
SEK
|