Statement Of Comprehensive Income [Abstract]
| Concept |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2020-12-31 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
4 892
SEK
|
24 428
SEK
|
29 320
SEK
|
24 428
SEK
|
— |
29 320
SEK
|
— |
2 710
SEK
|
48 407
SEK
|
— | — |
45 697
SEK
|
45 697
SEK
|
— |
48 407
SEK
|
— |
| Other comprehensive income [abstract] | ||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans | — | — |
1 057
SEK
|
— | — | — | — | — |
2 936
SEK
|
— | — | — | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, net of tax | — | — |
3 208
SEK
|
— | — | — | — | — |
9 553
SEK
|
— | — | — | — | — | — | — |
| Other comprehensive income |
1 576
SEK
|
575,000
SEK
|
2 151
SEK
|
1 043
SEK
|
1 618
SEK
|
— | — |
1 606
SEK
|
12 489
SEK
|
— | — |
10 883
SEK
|
2 546
SEK
|
— |
12 489
SEK
|
8 337
SEK
|
| Comprehensive income |
6 468
SEK
|
25 003
SEK
|
31 471
SEK
|
23 385
SEK
|
1 618
SEK
|
31 471
SEK
|
43 151
SEK
|
— |
35 918
SEK
|
8 337
SEK
|
1 103
SEK
|
— | — |
34 814
SEK
|
— | — |
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
25 003
SEK
|
— | — |
34 815
SEK
|
— | — | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
6 468
SEK
|
— | — |
1 103
SEK
|
— | — | — | — | — | — | — |