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 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 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 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 | — | — | — | — | — | — |
24,000,000
SEK
|
— |
14,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — |
100,000,000
SEK
|
— |
68,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
92,000,000
SEK
|
— |
66,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
116,000,000
SEK
|
— |
236,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
402,000,000
SEK
|
— | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
1 829
SEK
|
— |
1 149
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — |
2,000,000
SEK
|
— |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — |
1 569
SEK
|
— |
1 400
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — |
676,000,000
SEK
|
— |
562,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — |
2,000,000
SEK
|
— |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
1 569
SEK
|
2,000,000
SEK
|
2,000,000
SEK
|
16,000,000
SEK
|
676,000,000
SEK
|
2 260
SEK
|
678,000,000
SEK
|
35,000,000
SEK
|
564,000,000
SEK
|
1 400
SEK
|
2,000,000
SEK
|
1 400
SEK
|
564,000,000
SEK
|
562,000,000
SEK
|
1,000,000
SEK
|
1,000,000
SEK
|
2,000,000
SEK
|
2,000,000
SEK
|
1 398
SEK
|
562,000,000
SEK
|
2,000,000
SEK
|
1,000,000
SEK
|
35,000,000
SEK
|
564,000,000
SEK
|
562,000,000
SEK
|
35,000,000
SEK
|
2,000,000
SEK
|
1 994
SEK
|
1 996
SEK
|
1 996
SEK
|
747,000,000
SEK
|
2,000,000
SEK
|
1 212
SEK
|
1,000,000
SEK
|
40,000,000
SEK
|
745,000,000
SEK
|
1 996
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — |
19,000,000
SEK
|
— |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — |
1 151
SEK
|
— |
585,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
1 829
SEK
|
— |
1 149
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |