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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment |
32,000,000
SEK
|
— | — | — | — | — |
29,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
1 025
SEK
|
— | — | — | — | — |
1 179
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Investment property |
50 335
SEK
|
— | — | — | — | — |
46 026
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
16 5
SEK
|
— | — | — | — | — |
165,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
58,000,000
SEK
|
— | — | — | — | — |
5,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
719,000,000
SEK
|
— | — | — | — | — |
279,000,000
SEK
|
— | — | — | — | — | — | — | — |
4 57
SEK
|
— | — |
| Assets |
54 285
SEK
|
— | — | — | — | — |
49 615
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
333,000,000
SEK
|
— | — | — | — | — |
333,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
21 248
SEK
|
— | — | — | — | — |
18 380
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
25 541
SEK
|
— | — | — | — | — |
22 668
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity | — |
21 248
SEK
|
-
SEK
|
3 960
SEK
|
25 541
SEK
|
333,000,000
SEK
|
— |
333,000,000
SEK
|
18 380
SEK
|
4,000,000
SEK
|
3 960
SEK
|
22 668
SEK
|
14,000,000
SEK
|
22 784
SEK
|
18 506
SEK
|
— |
3 960
SEK
|
333,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities |
5 621
SEK
|
— | — | — | — | — |
4 686
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
54 285
SEK
|
— | — | — | — | — |
49 615
SEK
|
— | — | — | — | — | — | — | — | — | — | — |