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 2021-01-01 |
As at 2021-01-01 |
As at 2021-01-01 |
As at 2021-01-01 |
As at 2021-01-01 |
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 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||
| Right-of-use assets | — | — |
8 777
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
3 401
SEK
|
— | — | — | — | — |
| Intangible assets other than goodwill | — | — |
1 074
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
1 054
SEK
|
— | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — | — |
71 560
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
31 649
SEK
|
— | — | — | — | — |
| Non-current assets | — | — |
1 650 051
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
1 503 412
SEK
|
— | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||
| Current inventories | — | — |
11 918
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
5 287
SEK
|
— | — | — | — | — |
| Cash and cash equivalents | — | — |
114 673
SEK
|
— | — | — |
123 844
SEK
|
— | — | — | — | — | — | — |
123 844
SEK
|
— | — |
241 715
SEK
|
— | — |
| Current assets | — | — |
198 453
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
186 376
SEK
|
— | — | — | — | — |
| Assets | — | — |
1 848 504
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
1 689 788
SEK
|
— | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||
| Issued capital | — | — |
409 593
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
409 593
SEK
|
— | — | — | — | — |
| Retained earnings | — | — |
301 383
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
422 444
SEK
|
— | — | — | — | — |
| Share premium | — | — |
1 134 317
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
1 031 344
SEK
|
— | — | — | — | — |
| Other reserves | — | — |
95 102
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
255 636
SEK
|
— | — | — | — | — |
| Equity |
301 383
SEK
|
95 102
SEK
|
1 750 191
SEK
|
1 134 317
SEK
|
409 593
SEK
|
409 593
SEK
|
1 607 745
SEK
|
422 444
SEK
|
255 636
SEK
|
1 031 344
SEK
|
422 444
SEK
|
255 636
SEK
|
409 593
SEK
|
1 031 344
SEK
|
1 607 745
SEK
|
409 593
SEK
|
613 535
SEK
|
2 033 874
SEK
|
20 598
SEK
|
1 031 344
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||
| Non-current liabilities | — | — |
9 222
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
6 540
SEK
|
— | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||
| Current liabilities | — | — |
89 091
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
75 503
SEK
|
— | — | — | — | — |
| Equity and liabilities | — | — |
1 848 504
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
1 689 788
SEK
|
— | — | — | — | — |