Statement Of Financial Position [Abstract]
| Concept |
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 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||
| Right-of-use assets | — | — |
48,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
54,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
530,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
721,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
5,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — |
645,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
862,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||
| Current tax assets, current | — | — |
0
SEK
|
— | — | — | — | — | — | — | — | — | — |
7,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
239,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
218,000,000
SEK
|
— | — | — | — | — | — |
215,000,000
SEK
|
— | — | — | — | — | — | — |
| Current assets | — | — |
370,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
329,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — |
1 015
SEK
|
— | — | — | — | — | — | — | — | — | — |
1 191
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||
| Issued capital | — | — |
547,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
547,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — |
6 051
SEK
|
— | — | — | — | — | — | — | — | — | — |
5 932
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — |
300,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
305,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
81,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
195,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — |
13,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
10,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
6 051
SEK
|
5 885
SEK
|
94,000,000
SEK
|
81,000,000
SEK
|
13,000,000
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
|
313,000,000
SEK
|
40,000,000
SEK
|
-
SEK
|
25,000,000
SEK
|
312,000,000
SEK
|
5 829
SEK
|
273,000,000
SEK
|
5 883
SEK
|
-
SEK
|
-
SEK
|
53,000,000
SEK
|
25,000,000
SEK
|
25,000,000
SEK
|
-
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — |
38,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
51,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — |
523,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
524,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||
| Current provisions | — | — |
0
SEK
|
— | — | — | — | — | — | — | — | — | — |
17,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — |
16,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — |
398,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
462,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
1 015
SEK
|
— | — | — | — | — | — | — | — | — | — |
1 191
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |