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 |
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 | — |
1,449,000,000
SEK
|
— | — |
1,782,000,000
SEK
|
— |
| Profit (loss) from operating activities | — |
7,064,000,000
SEK
|
— | — |
3,325,000,000
SEK
|
— |
| Finance income | — |
121,000,000
SEK
|
— | — |
255,000,000
SEK
|
— |
| Finance costs | — |
962,000,000
SEK
|
— | — |
1,413,000,000
SEK
|
— |
| Profit (loss) before tax | — |
6,223,000,000
SEK
|
— | — |
2,167,000,000
SEK
|
— |
| Tax expense (income) | — |
1,527,000,000
SEK
|
— | — |
3,557,000,000
SEK
|
— |
| Profit (loss) |
41,000,000
SEK
|
4,696,000,000
SEK
|
4,655,000,000
SEK
|
5,657,000,000
SEK
|
5,724,000,000
SEK
|
67,000,000
SEK
|
| Profit (loss), attributable to [abstract] | ||||||
| Profit (loss), attributable to owners of parent | — |
4,655,000,000
SEK
|
— | — |
5,657,000,000
SEK
|
— |
| Profit (loss), attributable to non-controlling interests | — |
41,000,000
SEK
|
— | — |
67,000,000
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 | — |
264.00
|
— | — |
321.00
|
— |
| Diluted earnings per share [abstract] | ||||||
| Diluted earnings (loss) per share | — |
264.00
|
— | — |
321.00
|
— |