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 | — | — |
343,000,000
SEK
|
— | — |
206,000,000
SEK
|
— | — |
| Profit (loss) from operating activities | — | — |
1,184,000,000
SEK
|
— | — |
453,000,000
SEK
|
— | — |
| Finance income | — | — |
30,000,000
SEK
|
— | — |
4,000,000
SEK
|
— | — |
| Finance costs | — | — |
539,000,000
SEK
|
— | — |
409,000,000
SEK
|
— | — |
| Profit (loss) before tax | — | — |
675,000,000
SEK
|
— | — |
48,000,000
SEK
|
— | — |
| Tax expense (income) | — | — |
227,000,000
SEK
|
— | — |
29,000,000
SEK
|
— | — |
| Profit (loss) |
1,000,000
SEK
|
447,000,000
SEK
|
448,000,000
SEK
|
447,000,000
SEK
|
25,000,000
SEK
|
19,000,000
SEK
|
6,000,000
SEK
|
25,000,000
SEK
|
| Profit (loss), attributable to [abstract] | ||||||||
| Profit (loss), attributable to owners of parent | — | — |
447,000,000
SEK
|
— | — |
25,000,000
SEK
|
— | — |
| Profit (loss), attributable to non-controlling interests | — | — |
1,000,000
SEK
|
— | — |
6,000,000
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 from continuing operations | — | — |
128.00
|
— | — |
12.00
|
— | — |
| Diluted earnings per share [abstract] | ||||||||
| Diluted earnings (loss) per share from continuing operations | — | — |
128.00
|
— | — |
12.00
|
— | — |