Analysis Of Income And Expense [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||
| Revenue [abstract] | ||||||||||||
| Interest income | — | — | — | — | — | — | — | — | — | — | — | — |
| Interest income on other financial assets | — | — | — | — |
17,000,000
SEK
|
— | — |
5,000,000
SEK
|
— | — | — | — |
| Revenue | — | — | — | — |
1 735
SEK
|
— | — |
2 047
SEK
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||
| Finance income (cost) | — | — | — | — |
78,000,000
SEK
|
— | — |
109,000,000
SEK
|
— | — | — | — |
| Other finance income | — | — | — | — |
215,000,000
SEK
|
— | — |
78,000,000
SEK
|
— | — | — | — |
| Other finance cost | — | — | — | — |
82,000,000
SEK
|
— | — |
146,000,000
SEK
|
— | — | — | — |
| Interest expense | — | — | — | — |
74,000,000
SEK
|
— | — |
47,000,000
SEK
|
— | — | — | — |
| Miscellaneous other operating expense | — | — | — | — |
8,000,000
SEK
|
— | — |
34,000,000
SEK
|
— | — | — | — |
| Revenue and other operating income | — | — | — | — |
1 806
SEK
|
— | — |
2 312
SEK
|
— | — | — | — |
| Fee and commission income (expense) [abstract] | ||||||||||||
| Fee and commission expense [abstract] | ||||||||||||
| Fee and commission expense | — | — | — | — |
205,000,000
SEK
|
— | — |
300,000,000
SEK
|
— | — | — | — |
| Expenses by nature [abstract] | ||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||
| Employee benefits expense | — | — | — | — |
984,000,000
SEK
|
— | — |
1 079
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 | — | — | — | — |
121,000,000
SEK
|
— | — |
110,000,000
SEK
|
— | — | — | — |
| Other expenses, by nature | — | — | — | — |
345,000,000
SEK
|
— | — |
395,000,000
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] | ||||||||||||
| Miscellaneous other comprehensive income [abstract] | ||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||
| Other comprehensive income, net of tax, hedges of net investments in foreign operations | — | — | — | — |
2,000,000
SEK
|
— | — |
28,000,000
SEK
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income |
45,000,000
SEK
|
77,000,000
SEK
|
14,000,000
SEK
|
198,000,000
SEK
|
153,000,000
SEK
|
261,000,000
SEK
|
65,000,000
SEK
|
85,000,000
SEK
|
33,000,000
SEK
|
6,000,000
SEK
|
79,000,000
SEK
|
47,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
198,000,000
SEK
|
— | — |
79,000,000
SEK
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
45,000,000
SEK
|
— | — |
6,000,000
SEK
|
— | — | — | — |