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 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 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 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Right-of-use assets |
41,000,000
SEK
|
— | — | — | — | — | — |
42,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
537,000,000
SEK
|
— | — | — | — | — | — |
573,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
8,000,000
SEK
|
— | — | — | — | — | — |
5,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
164,000,000
SEK
|
— | — | — | — | — | — |
223,000,000
SEK
|
— | — | — | — | — | — | — | — |
239,000,000
SEK
|
— | — | — | — |
| Assets |
975,000,000
SEK
|
— | — | — | — | — | — |
1,081,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
298,000,000
SEK
|
— | — | — | — | — | — |
274,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
281,000,000
SEK
|
— | — | — | — | — | — |
275,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
269,000,000
SEK
|
— | — | — | — | — | — |
305,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
1,000,000
SEK
|
— | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
270,000,000
SEK
|
5 609
SEK
|
1,000,000
SEK
|
298,000,000
SEK
|
281,000,000
SEK
|
269,000,000
SEK
|
5 860
SEK
|
306,000,000
SEK
|
1,000,000
SEK
|
5 579
SEK
|
274,000,000
SEK
|
275,000,000
SEK
|
305,000,000
SEK
|
5 885
SEK
|
6 039
SEK
|
5 885
SEK
|
94,000,000
SEK
|
93,000,000
SEK
|
1,000,000
SEK
|
300,000,000
SEK
|
547,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities |
37,000,000
SEK
|
— | — | — | — | — | — |
41,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
975,000,000
SEK
|
— | — | — | — | — | — |
1 081
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |