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 |
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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||
| Revenue [abstract] | ||||||||||||||
| Revenue | — | — | — | — | — |
828,000,000
SEK
|
— | — | — |
882,000,000
SEK
|
— | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||
| Employee benefits expense | — | — | — | — | — |
420,000,000
SEK
|
— | — | — |
481,000,000
SEK
|
— | — | — | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||||||
| Depreciation expense | — | — | — | — | — |
27,000,000
SEK
|
— | — | — |
37,000,000
SEK
|
— | — | — | — |
| Amortisation expense | — | — | — | — | — |
203,000,000
SEK
|
— | — | — |
692,000,000
SEK
|
— | — | — | — |
| Other expenses, by nature | — | — | — | — | — |
1,000,000
SEK
|
— | — | — |
6,000,000
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, exchange differences on translation of foreign operations |
2,000,000
SEK
|
-
SEK
|
5,000,000
SEK
|
5,000,000
SEK
|
-
SEK
|
7,000,000
SEK
|
— |
-
SEK
|
-
SEK
|
2,000,000
SEK
|
7,000,000
SEK
|
5,000,000
SEK
|
7,000,000
SEK
|
-
SEK
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
4,000,000
SEK
|
-
SEK
|
5,000,000
SEK
|
114,000,000
SEK
|
-
SEK
|
110,000,000
SEK
|
119,000,000
SEK
|
98,000,000
SEK
|
-
SEK
|
94,000,000
SEK
|
7,000,000
SEK
|
3,000,000
SEK
|
91,000,000
SEK
|
-
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
114,000,000
SEK
|
— | — | — |
91,000,000
SEK
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
4,000,000
SEK
|
— | — | — |
3,000,000
SEK
|
— | — | — | — |