Statement Of Changes In Equity [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 |
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 |
|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||
| Statement of changes in equity [line items] | ||||||||
| Increase (decrease) through acquisition of subsidiary, equity |
56 300
SEK
|
— |
56 300
SEK
|
— | — | — |
8 244
SEK
|
8 244
SEK
|
| Increase (decrease) through appropriation of retained earnings, equity | — |
48 165
SEK
|
— |
48 165
SEK
|
48 165
SEK
|
48 165
SEK
|
— | — |