Analysis Of Income And Expense [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 |
|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||
| Revenue [abstract] | ||||||||
| Revenue | — | — |
1 039,6
SEK
|
— | — |
1 165,2
SEK
|
— | — |
| Material income and expense [abstract] | ||||||||
| Research and development expense | — | — |
764,000,000
SEK
|
— | — |
904,000,000
SEK
|
— | — |
| Other operating income (expense) | — | — |
42,000,000
SEK
|
— | — |
58,000,000
SEK
|
— | — |
| Income tax relating to components of other comprehensive income [abstract] | ||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss |
10,000,000
SEK
|
— |
10,000,000
SEK
|
— | — |
7,000,000
SEK
|
7,000,000
SEK
|
— |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||
| Comprehensive income | — |
211,000,000
SEK
|
3,903,000,000
SEK
|
3,692,000,000
SEK
|
491,000,000
SEK
|
122,000,000
SEK
|
— |
369,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent | — | — |
3,903,000,000
SEK
|
— | — |
122,000,000
SEK
|
— | — |