Statement Of Changes In Equity [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 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 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 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 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||
| Equity |
1 039 8 5 8
SEK
|
1 887 395
SEK
|
— |
8 4 8 90 8
SEK
|
1 371
SEK
|
— | — | — | — |
950 999
SEK
|
1 797 084
SEK
|
847 441
SEK
|
1 356
SEK
|
— | — | — | — |
631 634
SEK
|
1 412 687
SEK
|
78 2 3 4 4
SEK
|
1 291
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — |
9 0 4 4 6
SEK
|
— |
167 265
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — |
8 8 8 59
SEK
|
— | — | — |
88 859
SEK
|
88 85 9
SEK
|
16 8 65 5
SEK
|
— | — | — | — |
168 6 5 5
SEK
|
— | — |
16 8 655
SEK
|
— | — | — | — |
| Issue of equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
299 950
SEK
|
50,000
SEK
|
300 000
SEK
|
— | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
11 50 4
SEK
|
— | — |
11 5 0 4
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |