Statement Of Changes In Equity [Abstract]
| Concept |
As at 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 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 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
As at 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-12-31 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 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||
| Equity |
307 445
SEK
|
— | — |
1 866 646
SEK
|
1 561 070
SEK
|
— | — | — |
1 557 452
SEK
|
3 618
SEK
|
2 455
SEK
|
706,000
SEK
|
— | — | — | — |
315 777
SEK
|
4 762
SEK
|
208 756
SEK
|
110 961
SEK
|
133,000
SEK
|
— | — | — |
4 073
SEK
|
— | — |
106 199
SEK
|
— | — | — | — |
143 641
SEK
|
5 140
SEK
|
4 264
SEK
|
208 756
SEK
|
138 501
SEK
|
356 794
SEK
|
133,000
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — |
4 892
SEK
|
24 428
SEK
|
24 428
SEK
|
— | — | — | — |
29 320
SEK
|
— |
29 320
SEK
|
48 407
SEK
|
— | — | — | — | — | — |
45 697
SEK
|
48 407
SEK
|
— |
2 710
SEK
|
— | — | — |
45 697
SEK
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — |
1 576
SEK
|
575,000
SEK
|
1 043
SEK
|
— | — | — | — |
2 151
SEK
|
1 618
SEK
|
— |
12 489
SEK
|
— | — | — | — | — | — |
2 546
SEK
|
12 489
SEK
|
— |
1 606
SEK
|
8 337
SEK
|
— | — |
10 883
SEK
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — | — | — |
6 468
SEK
|
25 003
SEK
|
23 385
SEK
|
— | — | — | — |
31 471
SEK
|
1 618
SEK
|
31 471
SEK
|
35 918
SEK
|
— | — | — | — | — |
43 151
SEK
|
— | — | — | — | — | — |
8 337
SEK
|
— |
1 103
SEK
|
34 814
SEK
|
— | — | — | — | — | — | — |
| Issue of equity | — | — |
1 249 904
SEK
|
— | — | — |
1 250 000
SEK
|
— | — | — | — | — |
1 250 000
SEK
|
— | — | — | — | — | — | — | — | — | — |
5 530
SEK
|
— |
5 530
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
74,000
SEK
|
1 538
SEK
|
— | — |
1 612
SEK
|
1 612
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — | — | — |
3 831
SEK
|
14 683
SEK
|
14 683
SEK
|
— | — | — | — |
18 514
SEK
|
— | — | — | — | — | — | — | — | — |
2 134
SEK
|
7 645
SEK
|
— |
5 511
SEK
|
— | — | — |
2 134
SEK
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
19 278
SEK
|
— | — | — |
19 278
SEK
|
— | — | — | — | — |
19 278
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |