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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Investments accounted for using equity method | — | — | — | — | — | — | — |
840,000,000
SEK
|
854,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
2 575
SEK
|
2 234
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
18 968
SEK
|
10 887
SEK
|
— | — | — | — | — | — | — |
11 254
SEK
|
— | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
208 538
SEK
|
182 684
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — |
786,000,000
SEK
|
786,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — |
87 043
SEK
|
71 421
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — | — |
16 018
SEK
|
9 863
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
113 700
SEK
|
91 450
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
60,000,000
SEK
|
50,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
87 043
SEK
|
786,000,000
SEK
|
60,000,000
SEK
|
16 010
SEK
|
113 700
SEK
|
8,000,000
SEK
|
9 853
SEK
|
113 760
SEK
|
91 500
SEK
|
71 421
SEK
|
50,000,000
SEK
|
786,000,000
SEK
|
9 855
SEK
|
91 450
SEK
|
8,000,000
SEK
|
9 380
SEK
|
80 026
SEK
|
50,000,000
SEK
|
56 045
SEK
|
786,000,000
SEK
|
14 464
SEK
|
79 976
SEK
|
8 695
SEK
|
14,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — |
2 616
SEK
|
2 267
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
208 538
SEK
|
182 684
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |