Statement Of Comprehensive Income [Abstract]
| Concept |
2021-01-01 to 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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||
| Profit (loss) |
1,626,000
SEK
|
— |
2,818,000
SEK
|
4,444,000
SEK
|
65,129,000
SEK
|
65,604,000
SEK
|
475,000
SEK
|
— |
| Other comprehensive income [abstract] | ||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — |
17,468,000
SEK
|
— | — |
10,540,000
SEK
|
— | — |
| Other comprehensive income that will not be reclassified to profit or loss, before tax | — | — |
17,468,000
SEK
|
— | — |
10,540,000
SEK
|
— | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||
| Exchange differences on translation [abstract] | ||||||||
| Gains (losses) on exchange differences on translation of foreign operations, before tax | — | — |
9,660,000
SEK
|
— | — |
39,443,000
SEK
|
— | — |
| Hedges of net investment in foreign operations [abstract] | ||||||||
| Gains (losses) on hedges of net investments in foreign operations, before tax | — | — |
287,000
SEK
|
— | — |
221,000
SEK
|
— | — |
| Other comprehensive income, before tax |
-
SEK
|
7,822,000
SEK
|
25,289,000
SEK
|
17,468,000
SEK
|
9,099,000
SEK
|
51,199,000
SEK
|
7,000
SEK
|
42,092,000
SEK
|
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — |
2,864,000
SEK
|
— | — |
548,000
SEK
|
— | — |
| Other comprehensive income | — | — |
24,551,000
SEK
|
— | — |
50,752,000
SEK
|
— | — |
| Comprehensive income | — | — |
27,369,000
SEK
|
— | — |
116,356,000
SEK
|
— | — |
| Comprehensive income attributable to [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent | — | — |
28,995,000
SEK
|
— | — |
115,881,000
SEK
|
— | — |
| Comprehensive income, attributable to non-controlling interests | — | — |
1,626,000
SEK
|
— | — |
475,000
SEK
|
— | — |