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] | ||||||||||||||||||
| Property, plant and equipment | — | — | — |
15,000,000
SEK
|
— | — | — | — | — | — |
15,000,000
SEK
|
— | — | — | — | — | — | — |
| Right-of-use assets | — | — | — |
54,000,000
SEK
|
— | — | — | — | — | — |
53,000,000
SEK
|
— | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
2,000,000
SEK
|
— | — | — | — | — | — |
8,000,000
SEK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
297,000,000
SEK
|
— | — | — | — | — | — |
222,000,000
SEK
|
— |
136,000,000
SEK
|
— | — | — | — | — |
| Assets | — | — | — |
1 103
SEK
|
— | — | — | — | — | — |
970,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — | — |
2,000,000
SEK
|
— | — | — | — | — | — |
2,000,000
SEK
|
— | — | — | — | — | — | — |
| Retained earnings | — | — | — |
162,000,000
SEK
|
— | — | — | — | — | — |
198,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
666,000,000
SEK
|
— | — | — | — | — | — |
627,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity |
666,000,000
SEK
|
162,000,000
SEK
|
814,000,000
SEK
|
666,000,000
SEK
|
2,000,000
SEK
|
12,000,000
SEK
|
2,000,000
SEK
|
10,000,000
SEK
|
814,000,000
SEK
|
198,000,000
SEK
|
627,000,000
SEK
|
627,000,000
SEK
|
— |
2,000,000
SEK
|
5,000,000
SEK
|
101,000,000
SEK
|
719,000,000
SEK
|
814,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities | — | — | — |
25,000,000
SEK
|
— | — | — | — | — | — |
26,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
1 103
SEK
|
— | — | — | — | — | — |
970,000,000
SEK
|
— | — | — | — | — | — | — |