Statement Of Changes In Equity [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 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 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||
| Equity |
163 190
SEK
|
— | — | — | — |
4,000
SEK
|
1 073 255
SEK
|
1 477
SEK
|
1 234 972
SEK
|
— |
804 858
SEK
|
1 138
SEK
|
1 234 972
SEK
|
— |
430 454
SEK
|
— |
1 477
SEK
|
— | — | — |
571 190
SEK
|
951 017
SEK
|
1 367
SEK
|
784,000
SEK
|
380 410
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) | — |
-
SEK
|
-
SEK
|
268 694
SEK
|
268 694
SEK
|
— | — | — | — |
-
SEK
|
— | — | — |
-
SEK
|
— |
-
SEK
|
— |
-
SEK
|
231 435
SEK
|
231 435
SEK
|
— | — | — | — | — |
| Other comprehensive income | — |
-
SEK
|
1 134
SEK
|
1 134
SEK
|
-
SEK
|
— | — | — | — |
-
SEK
|
— | — | — |
354,000
SEK
|
— |
-
SEK
|
— |
-
SEK
|
354,000
SEK
|
-
SEK
|
— | — | — | — | — |
| Comprehensive income | — |
0
SEK
|
1 134
SEK
|
267 560
SEK
|
268 694
SEK
|
— | — | — | — |
0
SEK
|
— | — | — |
354,000
SEK
|
— |
0
SEK
|
— |
0
SEK
|
231 789
SEK
|
231 435
SEK
|
— | — | — | — | — |
| Issue of equity | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
SEK
|
— |
110,000
SEK
|
— |
301 290
SEK
|
301 400
SEK
|
-
SEK
|
— | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
SEK
|
-
SEK
|
295,000
SEK
|
295,000
SEK
|
— | — | — | — |
-
SEK
|
— | — | — |
-
SEK
|
— |
-
SEK
|
— |
-
SEK
|
2 233
SEK
|
2 233
SEK
|
— | — | — | — | — |