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 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
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 |
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 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||
| Equity |
1 731 895
SEK
|
— | — | — | — |
24 730
SEK
|
1 387 159
SEK
|
24 868
SEK
|
1 707 165
SEK
|
295 139
SEK
|
— | — | — |
1 786 097
SEK
|
293 105
SEK
|
— |
2 480 779
SEK
|
2 104 069
SEK
|
376 710
SEK
|
— |
24 868
SEK
|
— | — | — |
1 367 191
SEK
|
5 698
SEK
|
223 720
SEK
|
1 615 560
SEK
|
24 649
SEK
|
1 621 258
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
254 478
SEK
|
321 225
SEK
|
66 747
SEK
|
— | — | — | — | — |
321 225
SEK
|
— |
71 526
SEK
|
— | — |
468 983
SEK
|
— | — | — | — | — | — |
540 509
SEK
|
468 983
SEK
|
— | — | — | — | — | — |
| Other comprehensive income | — | — |
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
SEK
|
— | — | — | — | — | — | — |
| Comprehensive income | — |
0
SEK
|
254 478
SEK
|
321 225
SEK
|
66 747
SEK
|
— | — | — | — | — |
321 225
SEK
|
0
SEK
|
71 526
SEK
|
— | — |
468 983
SEK
|
— | — | — |
0
SEK
|
— |
0
SEK
|
540 509
SEK
|
468 983
SEK
|
— | — | — | — | — | — |
| Issue of equity | — | — |
55 534
SEK
|
— |
55 534
SEK
|
— | — | — | — | — |
SEK
|
— |
20 358
SEK
|
— | — |
58 860
SEK
|
— | — | — |
219,000
SEK
|
— |
58 641
SEK
|
79 218
SEK
|
— | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
88 088
SEK
|
77 713
SEK
|
10 375
SEK
|
— | — | — | — | — |
77 713
SEK
|
— |
SEK
|
— | — |
50 078
SEK
|
— | — | — | — | — | — |
50 078
SEK
|
50 078
SEK
|
— | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — |
1 303
SEK
|
— |
1 203
SEK
|
— | — | — | — | — |
100,000
SEK
|
100,000
SEK
|
SEK
|
— | — |
100,000
SEK
|
— | — | — | — | — |
100,000
SEK
|
100,000
SEK
|
— | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — |
486 272
SEK
|
— |
486 272
SEK
|
— | — | — | — | — |
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |