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 |
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] | ||||||||||
| Material income and expense [abstract] | ||||||||||
| Finance income (cost) | — | — | — |
77,000,000
SEK
|
— | — |
9 8
SEK
|
— | — | — |
| Other finance income (cost) | — | — | — |
5,000,000
SEK
|
— | — |
2,000,000
SEK
|
— | — | — |
| Expenses by nature [abstract] | ||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||
| Employee benefits expense | — | — | — |
14 477
SEK
|
— | — |
13 859
SEK
|
— | — | — |
| Other expenses, by nature | — | — | — |
4 234
SEK
|
— | — |
4 180
SEK
|
— | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income |
0
SEK
|
180,000,000
SEK
|
1 676
SEK
|
1 676
SEK
|
1 496
SEK
|
1 259
SEK
|
945,000,000
SEK
|
0
SEK
|
945,000,000
SEK
|
314,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
1 676
SEK
|
— | — |
945,000,000
SEK
|
— | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — |
0
SEK
|
— | — |
0
SEK
|
— | — | — |