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] | ||||||||||||||||||
| Deferred tax assets | — | — |
469,000,000
SEK
|
— | — | — | — | — |
481,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
2 960
SEK
|
— | — | — | — | — |
2 235
SEK
|
— | — | — |
1 710
SEK
|
— | — | — | — | — |
| Assets | — | — |
67 139
SEK
|
— | — | — | — | — |
60 265
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — |
133,000,000
SEK
|
— | — | — | — | — |
133,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings | — | — |
42 013
SEK
|
— | — | — | — | — |
39 635
SEK
|
— | — | — | — | — | — | — | — | — |
| Treasury shares | — | — |
92,000,000
SEK
|
— | — | — | — | — |
80,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other reserves | — | — |
1 576
SEK
|
— | — | — | — | — |
1 155
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
43 630
SEK
|
— | — | — | — | — |
40 843
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — |
312,000,000
SEK
|
— | — | — | — | — |
55,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
42 013
SEK
|
1 576
SEK
|
43 942
SEK
|
133,000,000
SEK
|
312,000,000
SEK
|
92,000,000
SEK
|
133,000,000
SEK
|
39 635
SEK
|
40 898
SEK
|
80,000,000
SEK
|
1 155
SEK
|
55,000,000
SEK
|
37 241
SEK
|
55,000,000
SEK
|
121,000,000
SEK
|
133,000,000
SEK
|
35 799
SEK
|
1 375
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities | — | — |
806,000,000
SEK
|
— | — | — | — | — |
715,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Liabilities | — | — |
23 197
SEK
|
— | — | — | — | — |
19 367
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
67 139
SEK
|
— | — | — | — | — |
60 265
SEK
|
— | — | — | — | — | — | — | — | — |