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 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 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 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — |
146,000,000
SEK
|
148,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — |
79,000,000
SEK
|
93,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — |
22,000,000
SEK
|
22,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — |
87,000,000
SEK
|
63,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
8,000,000
SEK
|
4,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
132,000,000
SEK
|
101,000,000
SEK
|
— | — | — | — | — | — |
30,000,000
SEK
|
— | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
1 112
SEK
|
1 012
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — | — | — | — | — |
21,000,000
SEK
|
21,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — |
643,000,000
SEK
|
571,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — |
693,000,000
SEK
|
612,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — |
39,000,000
SEK
|
32,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
643,000,000
SEK
|
21,000,000
SEK
|
39,000,000
SEK
|
693,000,000
SEK
|
23,000,000
SEK
|
6,000,000
SEK
|
732,000,000
SEK
|
643,000,000
SEK
|
571,000,000
SEK
|
14,000,000
SEK
|
32,000,000
SEK
|
21,000,000
SEK
|
612,000,000
SEK
|
6,000,000
SEK
|
501,000,000
SEK
|
14,000,000
SEK
|
35,000,000
SEK
|
425,000,000
SEK
|
21,000,000
SEK
|
466,000,000
SEK
|
6,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — |
25,000,000
SEK
|
23,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — |
380,000,000
SEK
|
369,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
1 112
SEK
|
1 012
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |