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) |
8,700,000
SEK
|
322,300,000
SEK
|
331,100,000
SEK
|
322,300,000
SEK
|
287,100,000
SEK
|
291,900,000
SEK
|
4,800,000
SEK
|
287,100,000
SEK
|
| Other comprehensive income [abstract] | ||||||||
| Other comprehensive income |
300,000
SEK
|
176,800,000
SEK
|
177,100,000
SEK
|
176,800,000
SEK
|
217,600,000
SEK
|
218,700,000
SEK
|
1,100,000
SEK
|
217,600,000
SEK
|
| Comprehensive income | — | — |
508,200,000
SEK
|
— | — |
73,200,000
SEK
|
— | — |
| Comprehensive income attributable to [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent | — | — |
499,200,000
SEK
|
— | — |
69,500,000
SEK
|
— | — |
| Comprehensive income, attributable to non-controlling interests | — | — |
9,000,000
SEK
|
— | — |
3,700,000
SEK
|
— | — |