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] | ||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — |
2 464
SEK
|
1 958
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — |
301,000,000
SEK
|
373,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — |
961,000,000
SEK
|
950,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — |
991,000,000
SEK
|
933,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
78,000,000
SEK
|
82,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
109,000,000
SEK
|
4,000,000
SEK
|
— | — | — | — | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
7 279
SEK
|
6 652
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — |
1,000,000
SEK
|
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — |
1 886
SEK
|
1 588
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — | — |
304,000,000
SEK
|
238,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
2 611
SEK
|
2 398
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
–
SEK
|
0
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
1 886
SEK
|
1,000,000
SEK
|
–
SEK
|
317,000,000
SEK
|
2 611
SEK
|
13,000,000
SEK
|
420,000,000
SEK
|
2 611
SEK
|
2 397
SEK
|
1 588
SEK
|
–
SEK
|
1,000,000
SEK
|
255,000,000
SEK
|
2 398
SEK
|
16,000,000
SEK
|
571,000,000
SEK
|
2 334
SEK
|
2,000,000
SEK
|
1 331
SEK
|
1,000,000
SEK
|
289,000,000
SEK
|
2 331
SEK
|
646,000,000
SEK
|
65,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — |
179,000,000
SEK
|
163,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
7 279
SEK
|
6 652
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |