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 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 |
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 |
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 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||
| Right-of-use assets |
42,000,000
SEK
|
— | — | — | — | — | — | — | — |
48,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
573,000,000
SEK
|
— | — | — | — | — | — | — | — |
530,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
5,000,000
SEK
|
— | — | — | — | — | — | — | — |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
223,000,000
SEK
|
— | — | — | — | — | — | — | — |
239,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
218,000,000
SEK
|
— | — | — | — |
| Assets |
1,081,000,000
SEK
|
— | — | — | — | — | — | — | — |
1 015
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||
| Issued capital |
274,000,000
SEK
|
— | — | — | — | — | — | — | — |
547,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
5 579
SEK
|
— | — | — | — | — | — | — | — |
6 039
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
275,000,000
SEK
|
— | — | — | — | — | — | — | — |
300,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
305,000,000
SEK
|
— | — | — | — | — | — | — | — |
94,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
1,000,000
SEK
|
— | — | — | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
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
|
5 932
SEK
|
10,000,000
SEK
|
5 885
SEK
|
195,000,000
SEK
|
547,000,000
SEK
|
305,000,000
SEK
|
205,000,000
SEK
|
12,000,000
SEK
|
12,000,000
SEK
|
12,000,000
SEK
|
-
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||||||
| Deferred tax liabilities |
41,000,000
SEK
|
— | — | — | — | — | — | — | — |
38,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
1 081
SEK
|
— | — | — | — | — | — | — | — |
1 015
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |