Statement Of Changes In Equity [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 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 changes in equity [abstract] | |||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||
| Equity |
170 8 39
SEK
|
16 870
SEK
|
178 493
SEK
|
— | — |
13 914
SEK
|
4 698
SEK
|
— | — | — | — |
128 76 4
SEK
|
16 492
SEK
|
4 698
SEK
|
— |
14 5 31
SEK
|
— | — |
135 423
SEK
|
— |
5 598
SEK
|
1 458
SEK
|
93 088
SEK
|
92 700
SEK
|
4 528
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) | — | — | — |
–
SEK
|
–
SEK
|
— | — |
–
SEK
|
65 564
SEK
|
65 564
SEK
|
36 064
SEK
|
— | — | — |
36 064
SEK
|
— |
–
SEK
|
–
SEK
|
— |
–
SEK
|
— | — | — | — | — |
| Comprehensive income | — | — | — |
617,000
SEK
|
–
SEK
|
— | — |
–
SEK
|
66 181
SEK
|
65 564
SEK
|
27 131
SEK
|
— | — | — |
36 064
SEK
|
— |
–
SEK
|
–
SEK
|
— |
8 933
SEK
|
— | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — |
–
SEK
|
–
SEK
|
— | — |
378,000
SEK
|
378,000
SEK
|
–
SEK
|
20,000
SEK
|
— | — | — |
–
SEK
|
— |
20,000
SEK
|
–
SEK
|
— |
–
SEK
|
— | — | — | — | — |