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 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 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] | ||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — |
1 253
SEK
|
— |
1 253
SEK
|
— | — | — | — | — |
1 388
SEK
|
1 388
SEK
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — |
13 708
SEK
|
— |
–
SEK
|
— | — | — | — | — |
7 364
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — | — | — |
58 232
SEK
|
— |
58 232
SEK
|
— | — | — | — | — |
87 858
SEK
|
87 858
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — |
6 560 904
SEK
|
— |
6 547 246
SEK
|
— | — | — | — | — |
5 582 493
SEK
|
5 575 179
SEK
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||
| Cash and cash equivalents | — | — | — | — | — |
201 842
SEK
|
— |
201 842
SEK
|
— | — | — | — | — |
194 570
SEK
|
194 520
SEK
|
— | — | — | — | — |
509 608
SEK
|
— | — |
509 558
SEK
|
| Current assets | — | — | — | — | — |
204 392
SEK
|
— |
204 392
SEK
|
— | — | — | — | — |
197 347
SEK
|
197 297
SEK
|
— | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — |
6 765 297
SEK
|
— |
6 751 639
SEK
|
— | — | — | — | — |
5 779 840
SEK
|
5 772 476
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — | — | — |
344 241
SEK
|
— |
344 241
SEK
|
— | — | — | — | — |
344 241
SEK
|
344 241
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — |
5 737 195
SEK
|
— | — | — | — | — | — | — |
4 745 926
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
5 737 195
SEK
|
5 071 233
SEK
|
1 262 924
SEK
|
596 962
SEK
|
344 241
SEK
|
6 678 398
SEK
|
344 241
SEK
|
6 678 398
SEK
|
4 745 926
SEK
|
596 962
SEK
|
5 512 013
SEK
|
169 125
SEK
|
344 241
SEK
|
5 687 129
SEK
|
5 687 129
SEK
|
344 241
SEK
|
344 241
SEK
|
456 074
SEK
|
596 962
SEK
|
5 328 322
SEK
|
6 128 638
SEK
|
5 187 435
SEK
|
344 241
SEK
|
6 128 638
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities | — | — | — | — | — |
11 051
SEK
|
— |
559,000
SEK
|
— | — | — | — | — |
4 309
SEK
|
101,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current liabilities | — | — | — | — | — |
75 847
SEK
|
— |
72 681
SEK
|
— | — | — | — | — |
88 402
SEK
|
85 246
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — |
6 765 297
SEK
|
— |
6 751 639
SEK
|
— | — | — | — | — |
5 779 840
SEK
|
5 772 476
SEK
|
— | — | — | — | — | — | — | — | — |