Analysis Of Income And Expense [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
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 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Interest income | — | — |
110 621
SEK
|
— | — | — | — | — | — |
102 372
SEK
|
— | — | — | — | — | — |
| Interest income on other financial assets | — | — |
602,000,000
SEK
|
— | — | — | — | — | — |
613,000,000
SEK
|
— | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||
| Write-downs (reversals of write-downs) of property, plant and equipment [abstract] | ||||||||||||||||
| Impairment loss recognised in profit or loss, property, plant and equipment | — | — |
1,000,000
SEK
|
— | — | — | — | — | — |
7,000,000
SEK
|
— | — | — | — | — | — |
| Interest expense | — | — |
61 353
SEK
|
— | — | — | — | — | — |
51 438
SEK
|
— | — | — | — | — | — |
| Interest income (expense) | — | — |
49 267
SEK
|
— | — | — | — | — | — |
50 933
SEK
|
— | — | — | — | — | — |
| Selling, general and administrative expense [abstract] | ||||||||||||||||
| General and administrative expense | — | — |
8 180
SEK
|
— | — | — | — | — | — |
7 349
SEK
|
— | — | — | — | — | — |
| Revenue and other operating income | — | — |
74 104
SEK
|
— | — | — | — | — | — |
73 057
SEK
|
— | — | — | — | — | — |
| Operating expense | — | — |
25 376
SEK
|
— | — | — | — | — | — |
24 100
SEK
|
— | — | — | — | — | — |
| Fee and commission income (expense) [abstract] | ||||||||||||||||
| Fee and commission income [abstract] | ||||||||||||||||
| Fee and commission income | — | — |
26 067
SEK
|
— | — | — | — | — | — |
23 820
SEK
|
— | — | — | — | — | — |
| Fee and commission expense [abstract] | ||||||||||||||||
| Fee and commission expense | — | — |
9 352
SEK
|
— | — | — | — | — | — |
8 732
SEK
|
— | — | — | — | — | — |
| Fee and commission income (expense) | — | — |
16 716
SEK
|
— | — | — | — | — | — |
15 088
SEK
|
— | — | — | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||||
| Employee benefits expense | — | — |
15 024
SEK
|
— | — | — | — | — | — |
13 944
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 | — | — |
2 171
SEK
|
— | — | — | — | — | — |
1 920
SEK
|
— | — | — | — | — | — |
| Other expenses, by nature | — | — |
0
SEK
|
— | — | — | — | — | — |
887,000,000
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 other comprehensive income of associates and joint ventures accounted for using equity method, before tax [abstract] | ||||||||||||||||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, before tax | — | — |
33,000,000
SEK
|
— | — | — | — | — | — |
14,000,000
SEK
|
— | — | — | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax | — | — |
5,000,000
SEK
|
— | — | — | — | — | — |
41,000,000
SEK
|
— | — | — | — | — | — |
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — |
280,000,000
SEK
|
— | — | — | — | — | — |
172,000,000
SEK
|
— | — | — | — | — | — |
| Income tax relating to components of other comprehensive income | — |
382,000,000
SEK
|
109,000,000
SEK
|
0
SEK
|
7,000,000
SEK
|
— |
280,000,000
SEK
|
109,000,000
SEK
|
— |
107,000,000
SEK
|
— |
1,000,000
SEK
|
172,000,000
SEK
|
4,000,000
SEK
|
107,000,000
SEK
|
69,000,000
SEK
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
3,000,000
SEK
|
1 472
SEK
|
36 744
SEK
|
0
SEK
|
28,000,000
SEK
|
2 264
SEK
|
35 982
SEK
|
36 746
SEK
|
331,000,000
SEK
|
33 368
SEK
|
2,000,000
SEK
|
3,000,000
SEK
|
33 447
SEK
|
14,000,000
SEK
|
33 367
SEK
|
267,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
36 746
SEK
|
— | — | — | — | — | — |
33 367
SEK
|
— | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — |
3,000,000
SEK
|
— | — | — | — | — | — |
2,000,000
SEK
|
— | — | — | — | — | — |