Statement Of Changes In Equity [Abstract]
| Concept |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||
| Statement of changes in equity [line items] | ||||||||||
| Dividends recognised as distributions to non-controlling interests | — | — |
2 169
SEK
|
— |
2 169
SEK
|
— |
1 500
SEK
|
— | — |
1 500
SEK
|
| Increase (decrease) through appropriation of retained earnings, equity |
370,000
SEK
|
— | — | — | — |
370,000
SEK
|
— | — | — | — |
| Increase (decrease) through conversion of convertible instruments, equity |
33,000
SEK
|
426 487
SEK
|
— |
426 520
SEK
|
426 520
SEK
|
— | — | — | — | — |
| Increase (decrease) through transactions with owners, equity |
573,000
SEK
|
1 657 890
SEK
|
7 612
SEK
|
1 643 410
SEK
|
1 635 798
SEK
|
15 053
SEK
|
1 481
SEK
|
2 134
SEK
|
2 134
SEK
|
3 615
SEK
|
| Share issue related cost | — |
39 317
SEK
|
— |
39 317
SEK
|
39 317
SEK
|
— | — | — | — | — |