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 2021-01-01 |
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 2020-12-31 |
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 |
As at 2020-01-01 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||
| Property, plant and equipment | — | — | — |
22,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
25,000,000
SEK
|
— | — | — | — | — | — | — |
| Investment property | — | — | — |
50 033
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
46 072
SEK
|
— | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — |
79,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
76,000,000
SEK
|
— | — | — | — | — | — | — |
| Non-current assets | — | — | — |
50 673
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
46 606
SEK
|
— | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||
| Cash and cash equivalents | — | — | — |
315,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
205,000,000
SEK
|
— | — | — | — | — | — |
280,000,000
SEK
|
| Current assets | — | — | — |
479,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
355,000,000
SEK
|
— | — | — | — | — | — | — |
| Assets | — | — | — |
51 152
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
46 961
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||
| Issued capital | — | — | — |
192,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
192,000,000
SEK
|
— | — | — | — | — | — | — |
| Retained earnings | — | — | — |
19 500
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
16 959
SEK
|
— | — | — | — | — | — | — |
| Other reserves | — | — | — |
78,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
67,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
21 948
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
19 396
SEK
|
— | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
–
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
–
SEK
|
— | — | — | — | — | — | — |
| Equity |
19 500
SEK
|
78,000,000
SEK
|
2 178
SEK
|
21 948
SEK
|
21 948
SEK
|
192,000,000
SEK
|
192,000,000
SEK
|
19 396
SEK
|
16 959
SEK
|
67,000,000
SEK
|
2 178
SEK
|
19 396
SEK
|
16 959
SEK
|
2 178
SEK
|
19 396
SEK
|
192,000,000
SEK
|
67,000,000
SEK
|
19 396
SEK
|
192,000,000
SEK
|
88,000,000
SEK
|
2 178
SEK
|
17 887
SEK
|
15 429
SEK
|
17 887
SEK
|
— |
| Liabilities [abstract] | |||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||||||
| Non-current provisions | — | — | — |
26,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
47,000,000
SEK
|
— | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
4 622
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
3 853
SEK
|
— | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
24 568
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
23 449
SEK
|
— | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||
| Current tax liabilities, current | — | — | — |
40,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
33,000,000
SEK
|
— | — | — | — | — | — | — |
| Current liabilities | — | — | — |
4 636
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
4 116
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
51 152
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
46 961
SEK
|
— | — | — | — | — | — | — |