Statement Of Changes In Equity [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
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 |
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 |
253 571
SEK
|
18 8 514
SEK
|
21 053
SEK
|
— | — |
44 004
SEK
|
256 401
SEK
|
191 34 4
SEK
|
— |
44 004
SEK
|
21 053
SEK
|
— |
340 983
SEK
|
275 926
SEK
|
21 053
SEK
|
44 004
SEK
|
| Changes in equity [abstract] | ||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) | — | — | — |
68 224
SEK
|
— | — | — | — |
73 712
SEK
|
— | — | — | — | — | — | — |
| Comprehensive income | — | — | — |
68 224
SEK
|
68 224
SEK
|
— | — | — |
73 317
SEK
|
— | — |
73 317
SEK
|
— | — | — | — |