Statement Of Changes In Equity [Abstract]
| Concept |
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 |
As at 2021-12-31 |
As at 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 |
As at 2020-12-31 |
2020-01-01 to 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 |
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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||
| Equity | — |
443 976
SEK
|
639 776
SEK
|
— |
189 891
SEK
|
— |
189 362
SEK
|
528,000
SEK
|
7 191
SEK
|
753,000
SEK
|
— | — |
349 361
SEK
|
— |
639 776
SEK
|
278 042
SEK
|
753,000
SEK
|
— |
13 127
SEK
|
— |
278 042
SEK
|
— | — |
281 032
SEK
|
1 756
SEK
|
639 669
SEK
|
281 032
SEK
|
357 634
SEK
|
753,000
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||
| Profit (loss) |
62,000
SEK
|
— | — |
94 148
SEK
|
— | — | — | — | — | — |
94 087
SEK
|
94 148
SEK
|
— |
8 273
SEK
|
— | — | — |
8 273
SEK
|
— | — | — | — |
8 273
SEK
|
— | — | — | — | — | — |
| Other comprehensive income | — | — | — |
5 936
SEK
|
— |
5 936
SEK
|
— | — | — | — |
5 936
SEK
|
— | — |
11 370
SEK
|
— | — | — | — | — | — | — |
11 370
SEK
|
11 370
SEK
|
— | — | — | — | — | — |
| Comprehensive income |
62,000
SEK
|
— | — |
88 213
SEK
|
— |
5 936
SEK
|
— | — | — | — |
88 151
SEK
|
94 148
SEK
|
— |
3 098
SEK
|
— | — | — |
8 273
SEK
|
— | — | — |
11 370
SEK
|
3 098
SEK
|
— | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
467,000
SEK
|
— | — |
467,000
SEK
|
— | — | — | — | — | — | — |
467,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — | — | — | — | — | — | — | — |
107,000
SEK
|
— | — | — | — | — |
107,000
SEK
|
— | — |
107,000
SEK
|
— | — | — | — | — | — |