Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment |
17,000,000
SEK
|
— | — | — | — | — |
22,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Investment property |
55 179
SEK
|
— | — | — | — | — |
50 033
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
159,000,000
SEK
|
— | — | — | — | — |
315,000,000
SEK
|
— | — | — | — | — |
205,000,000
SEK
|
— | — | — | — | — |
| Assets |
56 809
SEK
|
— | — | — | — | — |
51 152
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
192,000,000
SEK
|
— | — | — | — | — |
192,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
20 866
SEK
|
— | — | — | — | — |
19 500
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
144,000,000
SEK
|
— | — | — | — | — |
78,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
23 380
SEK
|
— | — | — | — | — |
21 948
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
23 380
SEK
|
20 866
SEK
|
192,000,000
SEK
|
23 380
SEK
|
144,000,000
SEK
|
2 178
SEK
|
21 948
SEK
|
19 500
SEK
|
78,000,000
SEK
|
2 178
SEK
|
21 948
SEK
|
192,000,000
SEK
|
19 396
SEK
|
192,000,000
SEK
|
16 959
SEK
|
67,000,000
SEK
|
2 178
SEK
|
19 396
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities |
5 180
SEK
|
— | — | — | — | — |
4 622
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
56 809
SEK
|
— | — | — | — | — |
51 152
SEK
|
— | — | — | — | — | — | — | — | — | — | — |