Statement Of Changes In Equity [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 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 |
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 |
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 |
As at 2020-12-31 |
2020-01-01 to 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 |
As at 2019-12-31 |
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 |
432 459
SEK
|
33 263
SEK
|
— | — |
469 788
SEK
|
— |
469 788
SEK
|
1 666
SEK
|
— |
2 400
SEK
|
— | — | — |
364 347
SEK
|
21 034
SEK
|
389 447
SEK
|
2 400
SEK
|
— |
1 666
SEK
|
— |
389 447
SEK
|
— | — | — |
33 803
SEK
|
420 387
SEK
|
–
SEK
|
384 184
SEK
|
2 400
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — |
68 112
SEK
|
— |
80 163
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — | — | — | — | — | — | — | — |
80 341
SEK
|
— |
67 394
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) in equity | — | — |
33 263
SEK
|
469 788
SEK
|
— |
1 666
SEK
|
— | — |
2 400
SEK
|
— | — |
432 459
SEK
|
— | — | — | — | — |
464 347
SEK
|
— |
21 034
SEK
|
— |
2 400
SEK
|
–
SEK
|
487 781
SEK
|
— | — | — | — | — |