Statement Of Financial Position [Abstract]
| Concept |
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 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Goodwill |
45 ,5
SEK
|
— | — | — | — |
45 ,5
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
4 ,1
SEK
|
— | — | — | — |
32,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
29, 5
SEK
|
— | — | — | — |
81, 6
SEK
|
— | — | — | — |
694,000,000
SEK
|
— | — | — | — |
| Assets |
1 153,5
SEK
|
— | — | — | — |
9,369,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
200,000,000
SEK
|
— | — | — | — |
200,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
582, 9
SEK
|
— | — | — | — |
5,324,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other reserves |
9, 7
SEK
|
— | — | — | — |
9,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
61 4 ,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
|
4,303,000,000
SEK
|
200,000,000
SEK
|
4 1 3,2
SEK
|
0
SEK
|
29,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Current tax liabilities |
21, 0
SEK
|
— | — | — | — |
1 8,7
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
0
SEK
|
— | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — | — |
| Liabilities |
539 ,4
SEK
|
— | — | — | — |
3,854,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
1 153,5
SEK
|
— | — | — | — |
9,369,000,000
SEK
|
— | — | — | — | — | — | — | — | — |