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 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 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 |
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 | — | — | — | — | — | — | — | — | — |
5 200
SEK
|
5 544
SEK
|
— | — | — | — | — | — | — | — | — |
5 449
SEK
|
— | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — | — | — |
9 093
SEK
|
8 275
SEK
|
— | — | — | — | — | — | — | — | — |
7 830
SEK
|
— | — | — | — | — | — | — | — | — |
| Current tax assets | — | — | — | — | — | — | — | — | — |
2 411
SEK
|
1 951
SEK
|
— | — | — | — | — | — | — | — | — |
1 449
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — | — | — |
96,000,000
SEK
|
82,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
159,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — |
325 604
SEK
|
252 994
SEK
|
— | — | — | — | — | — | — | — | — |
365 992
SEK
|
— | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — | — | — |
3 009 697
SEK
|
2 855 519
SEK
|
— | — | — | — | — | — | — | — | — |
2 854 646
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Equity attributable to owners of parent | — | — | — | — | — | — | — | — | — |
218 874
SEK
|
198 760
SEK
|
— | — | — | — | — | — | — | — | — |
176 052
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — | — | — |
28,000,000
SEK
|
30,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
29,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
172 313
SEK
|
24 904
SEK
|
28,000,000
SEK
|
11 594
SEK
|
7 169
SEK
|
218 874
SEK
|
50,000,000
SEK
|
7,000,000
SEK
|
17 275
SEK
|
218 901
SEK
|
198 790
SEK
|
152 962
SEK
|
30,000,000
SEK
|
5 697
SEK
|
24 904
SEK
|
9 330
SEK
|
198 760
SEK
|
7,000,000
SEK
|
22,000,000
SEK
|
17 275
SEK
|
176 080
SEK
|
5 964
SEK
|
29,000,000
SEK
|
130 174
SEK
|
24 904
SEK
|
9 660
SEK
|
176 052
SEK
|
17 275
SEK
|
8,000,000
SEK
|
11,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Current tax liabilities | — | — | — | — | — | — | — | — | — |
3 197
SEK
|
3 872
SEK
|
— | — | — | — | — | — | — | — | — |
1 811
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — | — | — |
7 005
SEK
|
5 740
SEK
|
— | — | — | — | — | — | — | — | — |
3 615
SEK
|
— | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — | — | — |
2 790 797
SEK
|
2 656 730
SEK
|
— | — | — | — | — | — | — | — | — |
2 678 566
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — | — | — |
3 009 697
SEK
|
2 855 519
SEK
|
— | — | — | — | — | — | — | — | — |
2 854 646
SEK
|
— | — | — | — | — | — | — | — | — |