Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
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 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||
| Equity | — |
802 519
SEK
|
— |
463 948
SEK
|
— | — |
18 565
SEK
|
— |
24 868
SEK
|
783 955
SEK
|
— |
295 139
SEK
|
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
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||
| Profit (loss) |
926 931
SEK
|
— |
925 191
SEK
|
— |
1 740
SEK
|
925 191
SEK
|
— |
-
SEK
|
— | — |
-
SEK
|
— | — |
-
SEK
|
254 478
SEK
|
321 225
SEK
|
66 747
SEK
|
— | — | — | — | — |
321 225
SEK
|
-
SEK
|
— | — | — | — | — | — |
| Other comprehensive income |
-
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
-
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
926 931
SEK
|
— |
925 191
SEK
|
— |
1 740
SEK
|
925 191
SEK
|
— |
-
SEK
|
— | — |
-
SEK
|
— | — |
-
SEK
|
254 478
SEK
|
321 225
SEK
|
66 747
SEK
|
— | — | — | — | — |
321 225
SEK
|
-
SEK
|
— | — | — | — | — | — |
| Issue of equity | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
SEK
|
55 534
SEK
|
-
SEK
|
55 534
SEK
|
— | — | — | — | — |
-
SEK
|
-
SEK
|
— | — | — | — | — | — |
| Dividends recognised as distributions to owners |
3 022
SEK
|
— |
1 662
SEK
|
— |
4 684
SEK
|
1 662
SEK
|
— |
-
SEK
|
— | — |
-
SEK
|
— | — |
-
SEK
|
88 088
SEK
|
77 713
SEK
|
10 375
SEK
|
— | — | — | — | — |
77 713
SEK
|
-
SEK
|
— | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
SEK
|
1 303
SEK
|
-
SEK
|
1 203
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 | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
SEK
|
486 272
SEK
|
-
SEK
|
— | — | — | — | — | — |
-
SEK
|
-
SEK
|
— | — | — | — | — | — |