Statement Of Changes In Equity [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 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 |
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 changes in equity [abstract] | |||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||
| Equity |
732 202
SEK
|
— | — | — |
68 906
SEK
|
162 511
SEK
|
110 972
SEK
|
389 813
SEK
|
— |
268 037
SEK
|
27 483
SEK
|
390 377
SEK
|
— |
796 869
SEK
|
110 972
SEK
|
— | — | — |
299 113
SEK
|
393 159
SEK
|
110 972
SEK
|
15 801
SEK
|
819 045
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||
| Profit (loss) | — | — |
4 798
SEK
|
4 798
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
79 133
SEK
|
79 133
SEK
|
— | — | — | — | — |
| Other comprehensive income | — |
41 423
SEK
|
41 423
SEK
|
— | — | — | — | — | — | — | — | — |
11 682
SEK
|
— | — | — |
11 682
SEK
|
— | — | — | — | — | — |
| Comprehensive income | — |
41 423
SEK
|
46 221
SEK
|
4 798
SEK
|
— | — | — | — | — | — | — | — |
11 682
SEK
|
— | — | — |
90 815
SEK
|
79 133
SEK
|
— | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
110 324
SEK
|
110 324
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
110 209
SEK
|
110 209
SEK
|
— | — | — | — | — |
| Decrease through other distributions to owners, equity | — | — | — |
110 324
SEK
|
— | — | — | — |
564,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — | — | — | — | — | — | — |
377,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
941,000
SEK
|
— | — | — | — | — |
941,000
SEK
|
— | — | — | — | — | — |
4 853
SEK
|
4 853
SEK
|
— | — | — | — | — | — |