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 | — | — | — |
2,000,000
SEK
|
— | — | — | — | — |
4,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Investment property | — | — | — |
13 701
SEK
|
— | — | — | — | — |
14 018
SEK
|
— | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
5,000,000
SEK
|
— | — | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — |
1,000,000
SEK
|
— | — | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — |
| Non-current assets | — | — | — |
13 772
SEK
|
— | — | — | — | — |
14 204
SEK
|
— | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Current tax assets, current | — | — | — |
8,000,000
SEK
|
— | — | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
146,000,000
SEK
|
— | — | — | — | — |
199,000,000
SEK
|
— | — |
231,000,000
SEK
|
— | — | — | — | — |
| Current assets | — | — | — |
206,000,000
SEK
|
— | — | — | — | — |
293,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Assets | — | — | — |
13 978
SEK
|
— | — | — | — | — |
14 497
SEK
|
— | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — | — |
752,000,000
SEK
|
— | — | — | — | — |
752,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
319,000,000
SEK
|
— | — | — | — | — |
512,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Share premium | — | — | — |
5 141
SEK
|
— | — | — | — | — |
5 141
SEK
|
— | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
6 213
SEK
|
— | — | — | — | — |
6 405
SEK
|
— | — | — | — | — | — | — | — |
| Equity |
6 213
SEK
|
319,000,000
SEK
|
5 141
SEK
|
6 213
SEK
|
752,000,000
SEK
|
–
SEK
|
5 141
SEK
|
752,000,000
SEK
|
512,000,000
SEK
|
6 405
SEK
|
6 405
SEK
|
–
SEK
|
7 777
SEK
|
–
SEK
|
1 883
SEK
|
752,000,000
SEK
|
5 141
SEK
|
7 777
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities | — | — | — |
347,000,000
SEK
|
— | — | — | — | — |
430,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
6 630
SEK
|
— | — | — | — | — |
7 543
SEK
|
— | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Current tax liabilities, current | — | — | — |
0
SEK
|
— | — | — | — | — |
23,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Current liabilities | — | — | — |
1 135
SEK
|
— | — | — | — | — |
550,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
13 978
SEK
|
— | — | — | — | — |
14 497
SEK
|
— | — | — | — | — | — | — | — |