Statement Of Financial Position [Abstract]
| Concept |
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 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Goodwill | — | — | — |
455,000,000
SEK
|
— |
45 ,5
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
42,000,000
SEK
|
— |
4 ,1
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
500,000,000
SEK
|
— |
2 9, 5
SEK
|
— | — | — | — |
81, 6
SEK
|
— | — | — | — |
| Assets | — | — | — |
1 198,6
SEK
|
— |
1 153,5
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital | — | — | — |
2 0,0
SEK
|
— |
2 0,0
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
57 4,2
SEK
|
— |
582, 9
SEK
|
— | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — |
13 , 8
SEK
|
— |
97,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
200,000,000
SEK
|
1, 5
SEK
|
5 7 4,2
SEK
|
6 0 9, 5
SEK
|
1 3,8
SEK
|
614 ,1
SEK
|
58 2,9
SEK
|
200,000,000
SEK
|
9, 7
SEK
|
1, 5
SEK
|
5 51, 5
SEK
|
5,324,000,000
SEK
|
9,000,000
SEK
|
0
SEK
|
200,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Current tax liabilities | — | — | — |
0
SEK
|
— |
21, 0
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
0
SEK
|
— |
0
SEK
|
— | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
5 8 9 ,1
SEK
|
— |
539 ,4
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
1 198,6
SEK
|
— |
1 153,5
SEK
|
— | — | — | — | — | — | — | — | — |