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 | — | — | — | — | — | — |
1 789
SEK
|
1 097
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — |
1 000
SEK
|
672,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
403,000,000
SEK
|
292,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
1 530
SEK
|
1 532
SEK
|
— | — | — | — | — | — |
914,000,000
SEK
|
— | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
21 979
SEK
|
16 731
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — | — | — | — | — |
6,000,000
SEK
|
6,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — |
527,000,000
SEK
|
715,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — |
5 144
SEK
|
5 144
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — |
1 272
SEK
|
822,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — |
5 894
SEK
|
5 257
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — |
14,000,000
SEK
|
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
527,000,000
SEK
|
5 144
SEK
|
6,000,000
SEK
|
14,000,000
SEK
|
1 272
SEK
|
5 894
SEK
|
5 908
SEK
|
5 258
SEK
|
715,000,000
SEK
|
1,000,000
SEK
|
5 144
SEK
|
6,000,000
SEK
|
822,000,000
SEK
|
5 257
SEK
|
5 307
SEK
|
3,000,000
SEK
|
5 144
SEK
|
943,000,000
SEK
|
6,000,000
SEK
|
1 096
SEK
|
5 303
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — |
598,000,000
SEK
|
455,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
21 979
SEK
|
16 731
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |