Profit Or Loss [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 |
|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||
| Profit (loss) [abstract] | ||||||||
| Other income | — | — |
82,600,000
SEK
|
— | — |
68,600,000
SEK
|
— | — |
| Profit (loss) from operating activities | — | — |
580,300,000
SEK
|
— | — |
545,900,000
SEK
|
— | — |
| Finance income | — | — |
25,200,000
SEK
|
— | — |
27,200,000
SEK
|
— | — |
| Finance costs | — | — |
123,500,000
SEK
|
— | — |
159,100,000
SEK
|
— | — |
| Profit (loss) before tax | — | — |
482,000,000
SEK
|
— | — |
414,000,000
SEK
|
— | — |
| Tax expense (income) | — | — |
151,000,000
SEK
|
— | — |
122,200,000
SEK
|
— | — |
| 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
|
| Profit (loss), attributable to [abstract] | ||||||||
| Profit (loss), attributable to owners of parent | — | — |
322,300,000
SEK
|
— | — |
287,100,000
SEK
|
— | — |
| Profit (loss), attributable to non-controlling interests | — | — |
8,700,000
SEK
|
— | — |
4,800,000
SEK
|
— | — |
| Earnings per share [text block] | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||||
| Earnings per share [line items] | ||||||||
| Basic earnings per share [abstract] | ||||||||
| Basic earnings (loss) per share | — | — |
9.12
|
— | — |
8.12
|
— | — |