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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||
| Assets [abstract] | ||||||||||||
| Right-of-use assets | — | — |
73,000,000
SEK
|
— | — | — | — |
82,000,000
SEK
|
— | — | — | — |
| Investment property | — | — |
31 413
SEK
|
— | — | — | — |
31 215
SEK
|
— | — | — | — |
| Intangible assets other than goodwill | — | — |
0
SEK
|
— | — | — | — |
0
SEK
|
— | — | — | — |
| Investments accounted for using equity method | — | — |
7,000,000
SEK
|
— | — | — | — |
7,000,000
SEK
|
— | — | — | — |
| Cash and cash equivalents | — | — |
405,000,000
SEK
|
— | — | — | — |
98,000,000
SEK
|
88,000,000
SEK
|
— | — | — |
| Assets | — | — |
32 225
SEK
|
— | — | — | — |
31 714
SEK
|
— | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital | — | — |
284,000,000
SEK
|
— | — | — | — |
284,000,000
SEK
|
— | — | — | — |
| Retained earnings | — | — |
7 084
SEK
|
— | — | — | — |
6 393
SEK
|
— | — | — | — |
| Equity attributable to owners of parent | — | — |
11 659
SEK
|
— | — | — | — |
10 968
SEK
|
— | — | — | — |
| Non-controlling interests | — | — |
-
SEK
|
— | — | — | — |
-
SEK
|
— | — | — | — |
| Equity |
7 084
SEK
|
4 292
SEK
|
11 659
SEK
|
284,000,000
SEK
|
284,000,000
SEK
|
4 292
SEK
|
6 393
SEK
|
10 968
SEK
|
12 102
SEK
|
284,000,000
SEK
|
7 526
SEK
|
4 292
SEK
|
| Liabilities [abstract] | ||||||||||||
| Deferred tax liabilities | — | — |
2 363
SEK
|
— | — | — | — |
2 242
SEK
|
— | — | — | — |
| Equity and liabilities | — | — |
32 225
SEK
|
— | — | — | — |
31 714
SEK
|
— | — | — | — |