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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — |
13,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
46,000,000
SEK
|
— | — | — | — | — | — | — |
| Right-of-use assets | — | — |
66,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
88,000,000
SEK
|
— | — | — | — | — | — | — |
| Goodwill | — | — |
78,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
42,000,000
SEK
|
— | — | — | — | — | — | — |
| Deferred tax assets | — | — |
65,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
117,000,000
SEK
|
— | — | — | — | — | — | — |
| Other non-current financial assets | — | — |
18,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
5,000,000
SEK
|
— | — | — | — | — | — | — |
| Non-current assets | — | — |
528,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
861,000,000
SEK
|
— | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories | — | — |
55,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
88,000,000
SEK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
438,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
410,000,000
SEK
|
— | — | — | — |
185,000,000
SEK
|
— | — |
| Current assets | — | — |
696,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
794,000,000
SEK
|
— | — | — | — | — | — | — |
| Assets | — | — |
1 224
SEK
|
— | — | — | — | — | — | — | — | — | — |
1 655
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — |
| Retained earnings | — | — |
1 116
SEK
|
— | — | — | — | — | — | — | — | — | — |
1 088
SEK
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
840,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
555,000,000
SEK
|
— | — | — | — | — | — | — |
| Non-controlling interests | — | — |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity |
1 116
SEK
|
1 976
SEK
|
842,000,000
SEK
|
840,000,000
SEK
|
2,000,000
SEK
|
21,000,000
SEK
|
1,000,000
SEK
|
1 088
SEK
|
1,000,000
SEK
|
1 639
SEK
|
555,000,000
SEK
|
1,000,000
SEK
|
3,000,000
SEK
|
556,000,000
SEK
|
675,000,000
SEK
|
1,000,000
SEK
|
2,000,000
SEK
|
1 636
SEK
|
676,000,000
SEK
|
960,000,000
SEK
|
1,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions | — | — |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
2,000,000
SEK
|
— | — | — | — | — | — | — |
| Deferred tax liabilities | — | — |
0
SEK
|
— | — | — | — | — | — | — | — | — | — |
2,000,000
SEK
|
— | — | — | — | — | — | — |
| Non-current liabilities | — | — |
88,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
623,000,000
SEK
|
— | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current liabilities | — | — |
294,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
475,000,000
SEK
|
— | — | — | — | — | — | — |
| Liabilities | — | — |
382,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
1 098
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — |
1 224
SEK
|
— | — | — | — | — | — | — | — | — | — |
1 655
SEK
|
— | — | — | — | — | — | — |