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 | — | — |
0
SEK
|
— | — | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — |
| Right-of-use assets | — | — |
2 74
SEK
|
— | — | — | — | — | — | — |
259,000,000
SEK
|
— | — | — | — | — | — | — |
| Investment property | — | — |
14 311
SEK
|
— | — | — | — | — | — | — |
12 566
SEK
|
— | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
9,000,000
SEK
|
— | — | — | — | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — | — |
| Non-current assets | — | — |
14 651
SEK
|
— | — | — | — | — | — | — |
12 981
SEK
|
— | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Cash and cash equivalents | — | — |
214,000,000
SEK
|
— | — | — | — | — | — | — |
134,000,000
SEK
|
— |
315,000,000
SEK
|
— | — | — | — | — |
| Current assets | — | — |
323,000,000
SEK
|
— | — | — | — | — | — | — |
213,000,000
SEK
|
— | — | — | — | — | — | — |
| Assets | — | — |
14 975
SEK
|
— | — | — | — | — | — | — |
13 193
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — |
19,000,000
SEK
|
— | — | — | — | — | — | — |
17,000,000
SEK
|
— | — | — | — | — | — | — |
| Retained earnings | — | — |
3 685
SEK
|
— | — | — | — | — | — | — |
3 355
SEK
|
— | — | — | — | — | — | — |
| Share premium | — | — |
1 691
SEK
|
— | — | — | — | — | — | — |
1 466
SEK
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
5 395
SEK
|
— | — | — | — | — | — | — |
4 838
SEK
|
— | — | — | — | — | — | — |
| Equity |
3 380
SEK
|
1 691
SEK
|
5 395
SEK
|
300,000,000
SEK
|
19,000,000
SEK
|
5,000,000
SEK
|
1 201
SEK
|
17,000,000
SEK
|
3,000,000
SEK
|
3 105
SEK
|
4 838
SEK
|
512,000,000
SEK
|
5 429
SEK
|
1 200
SEK
|
3 410
SEK
|
17,000,000
SEK
|
3,000,000
SEK
|
800,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||
| Other non-current provisions | — | — |
4,000,000
SEK
|
— | — | — | — | — | — | — |
4,000,000
SEK
|
— | — | — | — | — | — | — |
| Deferred tax liabilities | — | — |
1 061
SEK
|
— | — | — | — | — | — | — |
999,000,000
SEK
|
— | — | — | — | — | — | — |
| Non-current liabilities | — | — |
9 043
SEK
|
— | — | — | — | — | — | — |
7 145
SEK
|
— | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Trade and other current payables | — | — |
68,000,000
SEK
|
— | — | — | — | — | — | — |
124,000,000
SEK
|
— | — | — | — | — | — | — |
| Current tax liabilities, current | — | — |
31,000,000
SEK
|
— | — | — | — | — | — | — |
13,000,000
SEK
|
— | — | — | — | — | — | — |
| Current liabilities | — | — |
536,000,000
SEK
|
— | — | — | — | — | — | — |
1 210
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — |
14 975
SEK
|
— | — | — | — | — | — | — |
13 193
SEK
|
— | — | — | — | — | — | — |