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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment |
0
SEK
|
— | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets |
2,000,000
SEK
|
— | — | — | — |
7,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Investment property |
2 607
SEK
|
— | — | — | — |
887,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current assets |
2 611
SEK
|
— | — | — | — |
911,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories | — | — | — | — | — |
27,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other current non-financial assets |
68,000,000
SEK
|
— | — | — | — |
20,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
218,000,000
SEK
|
— | — | — | — |
58,000,000
SEK
|
— | — | — | — | — | — |
8,000,000
SEK
|
— | — |
| Current assets |
300,000,000
SEK
|
— | — | — | — |
119,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Assets |
2 911
SEK
|
— | — | — | — |
1 030
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
48,000,000
SEK
|
— | — | — | — |
7,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
194,000,000
SEK
|
— | — | — | — |
65,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other reserves |
1,000,000
SEK
|
— | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
1 049
SEK
|
194,000,000
SEK
|
1,000,000
SEK
|
808,000,000
SEK
|
48,000,000
SEK
|
470,000,000
SEK
|
7,000,000
SEK
|
65,000,000
SEK
|
525,000,000
SEK
|
3,000,000
SEK
|
67,000,000
SEK
|
5,000,000
SEK
|
131,000,000
SEK
|
189,000,000
SEK
|
4,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Deferred tax liabilities |
90,000,000
SEK
|
— | — | — | — |
14,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities |
1 604
SEK
|
— | — | — | — |
267,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current tax liabilities, current |
4,000,000
SEK
|
— | — | — | — |
3,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities |
258,000,000
SEK
|
— | — | — | — |
293,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
2 911
SEK
|
— | — | — | — |
1 030
SEK
|
— | — | — | — | — | — | — | — | — |