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 | — | — | — | — | — | — | — |
34,000,000
SEK
|
49,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
1 576
SEK
|
1 509
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
7 179
SEK
|
6 401
SEK
|
— | — | — | — | — | — | — |
7 326
SEK
|
— | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
83 589
SEK
|
67 784
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — |
500,000,000
SEK
|
500,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — |
39 947
SEK
|
35 452
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — | — |
2 193
SEK
|
765,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
42 757
SEK
|
36 822
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
423,000,000
SEK
|
388,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
39 947
SEK
|
500,000,000
SEK
|
423,000,000
SEK
|
2 192
SEK
|
42 757
SEK
|
1,000,000
SEK
|
117,000,000
SEK
|
43 180
SEK
|
37 210
SEK
|
35 452
SEK
|
388,000,000
SEK
|
500,000,000
SEK
|
735,000,000
SEK
|
36 822
SEK
|
30,000,000
SEK
|
105,000,000
SEK
|
33 508
SEK
|
488,000,000
SEK
|
30 228
SEK
|
500,000,000
SEK
|
2 091
SEK
|
33 020
SEK
|
107,000,000
SEK
|
94,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — |
1 737
SEK
|
922,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
83 589
SEK
|
67 784
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |