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 |
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] | ||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — |
1 281
SEK
|
— | — |
1 278
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — |
6 224
SEK
|
— | — |
6 266
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — |
535,000,000
SEK
|
— | — |
386,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||
| Cash and cash equivalents | — | — | — | — | — |
283 702
SEK
|
— | — |
320 879
SEK
|
— | — | — | — | — | — |
382 972
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — |
3 759 028
SEK
|
— | — |
3 608 218
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — |
21 942
SEK
|
— | — |
21 942
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — |
182 409
SEK
|
— | — |
179 023
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — |
12 026
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — |
26 797
SEK
|
— | — |
20 810
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — |
231 148
SEK
|
— | — |
221 775
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
179,000,000
SEK
|
182 409
SEK
|
21 942
SEK
|
1 816
SEK
|
44,000,000
SEK
|
231 148
SEK
|
25 204
SEK
|
19 780
SEK
|
221 775
SEK
|
175,000,000
SEK
|
179 023
SEK
|
21 942
SEK
|
1 191
SEK
|
14,000,000
SEK
|
62,000,000
SEK
|
204 141
SEK
|
20 439
SEK
|
21 942
SEK
|
175,000,000
SEK
|
20 439
SEK
|
160 297
SEK
|
160 995
SEK
|
21 942
SEK
|
1 575
SEK
|
204 141
SEK
|
175,000,000
SEK
|
877,000,000
SEK
|
62,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — |
11 733
SEK
|
— | — |
10 001
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — |
3 527 880
SEK
|
— | — |
3 386 443
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — |
3 759 028
SEK
|
— | — |
3 608 218
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |