Statement Of Changes In Equity [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||
| Equity | — |
3 808 330
SEK
|
596 962
SEK
|
4 749 533
SEK
|
344 241
SEK
|
— |
344 241
SEK
|
— |
596 962
SEK
|
4 643 934
SEK
|
3 702 731
SEK
|
— |
4 706 857
SEK
|
344 241
SEK
|
3 765 655
SEK
|
596 962
SEK
|
| Changes in equity [abstract] | ||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
423 492
SEK
|
— | — | — | — |
423 492
SEK
|
— |
246 542
SEK
|
— | — | — |
246 542
SEK
|
— | — | — | — |
| Dividends recognised as distributions to owners |
318.204.698
SEK
|
— | — | — | — |
318 205
SEK
|
— |
309 113
SEK
|
— | — | — |
309 113
SEK
|
— | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
312,000
SEK
|
— | — | — | — |
312,000
SEK
|
— |
352,000
SEK
|
— | — | — |
352,000
SEK
|
— | — | — | — |