Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 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 financial position [abstract] | ||||||||||||
| Assets [abstract] | ||||||||||||
| Non-current assets [abstract] | ||||||||||||
| Property, plant and equipment | — | — |
1 173
SEK
|
— | — | — | — |
1 179
SEK
|
— | — | — | — |
| Right-of-use assets | — | — |
17 373
SEK
|
— | — | — | — |
21 005
SEK
|
— | — | — | — |
| Other non-current financial assets | — | — |
31 501
SEK
|
— | — | — | — |
57 343
SEK
|
— | — | — | — |
| Non-current assets | — | — |
4 450 844
SEK
|
— | — | — | — |
4 270 053
SEK
|
— | — | — | — |
| Current assets [abstract] | ||||||||||||
| Cash and cash equivalents | — | — |
329 248
SEK
|
— | — | — | — |
392 409
SEK
|
591 822
SEK
|
— | — | — |
| Current assets | — | — |
333 925
SEK
|
— | — | — | — |
404 648
SEK
|
— | — | — | — |
| Assets | — | — |
4 784 769
SEK
|
— | — | — | — |
4 674 701
SEK
|
— | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital | — | — |
344 241
SEK
|
— | — | — | — |
344 241
SEK
|
— | — | — | — |
| Retained earnings | — | — |
3 808 330
SEK
|
— | — | — | — |
3 702 731
SEK
|
— | — | — | — |
| Equity |
3 808 330
SEK
|
596 962
SEK
|
4 749 533
SEK
|
344 241
SEK
|
344 241
SEK
|
596 962
SEK
|
3 702 731
SEK
|
4 643 934
SEK
|
4 706 857
SEK
|
344 241
SEK
|
3 765 655
SEK
|
596 962
SEK
|
| Liabilities [abstract] | ||||||||||||
| Non-current liabilities [abstract] | ||||||||||||
| Non-current liabilities | — | — |
13 964
SEK
|
— | — | — | — |
17 780
SEK
|
— | — | — | — |
| Current liabilities [abstract] | ||||||||||||
| Current liabilities | — | — |
21 271
SEK
|
— | — | — | — |
12 987
SEK
|
— | — | — | — |
| Equity and liabilities | — | — |
4 784 769
SEK
|
— | — | — | — |
4 674 701
SEK
|
— | — | — | — |