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 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 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 |
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 | — | — | — |
8,000,000
SEK
|
— | — | — | — | — | — |
10,000,000
SEK
|
— | — | — | — | — | — | — |
| Right-of-use assets | — | — | — |
13,000,000
SEK
|
— | — | — | — | — | — |
15,000,000
SEK
|
— | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
69,000,000
SEK
|
— | — | — | — | — | — |
71,000,000
SEK
|
— | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
0
SEK
|
— | — | — | — | — | — |
0
SEK
|
— | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — |
0
SEK
|
— | — | — | — | — | — |
0
SEK
|
— | — | — | — | — | — | — |
| Non-current assets | — | — | — |
165,000,000
SEK
|
— | — | — | — | — | — |
176,000,000
SEK
|
— | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Current inventories | — | — | — |
8,000,000
SEK
|
— | — | — | — | — | — |
4,000,000
SEK
|
— | — | — | — | — | — | — |
| Current tax assets, current | — | — | — |
12,000,000
SEK
|
— | — | — | — | — | — |
36,000,000
SEK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
382,000,000
SEK
|
— | — | — | — | — | — |
408,000,000
SEK
|
— |
532,000,000
SEK
|
— | — | — | — | — |
| Current assets | — | — | — |
575,000,000
SEK
|
— | — | — | — | — | — |
562,000,000
SEK
|
— | — | — | — | — | — | — |
| Assets | — | — | — |
739,000,000
SEK
|
— | — | — | — | — | — |
738,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — | — |
| Retained earnings | — | — | — |
250,000,000
SEK
|
— | — | — | — | — | — |
268,000,000
SEK
|
— | — | — | — | — | — | — |
| Other reserves | — | — | — |
6,000,000
SEK
|
— | — | — | — | — | — |
6,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity |
250,000,000
SEK
|
383,000,000
SEK
|
–
SEK
|
641,000,000
SEK
|
3,000,000
SEK
|
6,000,000
SEK
|
3,000,000
SEK
|
2,000,000
SEK
|
381,000,000
SEK
|
268,000,000
SEK
|
657,000,000
SEK
|
4,000,000
SEK
|
626,000,000
SEK
|
3,000,000
SEK
|
348,000,000
SEK
|
4,000,000
SEK
|
6,000,000
SEK
|
274,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities | — | — | — |
4,000,000
SEK
|
— | — | — | — | — | — |
7,000,000
SEK
|
— | — | — | — | — | — | — |
| Other non-current financial liabilities | — | — | — |
10,000,000
SEK
|
— | — | — | — | — | — |
9,000,000
SEK
|
— | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
20,000,000
SEK
|
— | — | — | — | — | — |
25,000,000
SEK
|
— | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Current tax liabilities, current | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — | — |
| Current liabilities | — | — | — |
78,000,000
SEK
|
— | — | — | — | — | — |
56,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
739,000,000
SEK
|
— | — | — | — | — | — |
738,000,000
SEK
|
— | — | — | — | — | — | — |