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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||
| Revenue [abstract] | ||||
| Revenue | — |
21 715
SEK
|
— |
19 217
SEK
|
| Material income and expense [abstract] | ||||
| Research and development expense | — |
258,000,000
SEK
|
— |
227,000,000
SEK
|
| Selling, general and administrative expense [abstract] | ||||
| Selling expense | — |
3 279
SEK
|
— |
3 009
SEK
|
| Expenses by nature [abstract] | ||||
| Classes of employee benefits expense [abstract] | ||||
| Expense from share-based payment transactions with employees |
13,000,000
SEK
|
13,000,000
SEK
|
13,000,000
SEK
|
— |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||
| Comprehensive income | — |
2 344
SEK
|
— |
1 380
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||
| Comprehensive income, attributable to owners of parent | — |
2 342
SEK
|
— |
1 380
SEK
|
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||
| Comprehensive income, attributable to non-controlling interests | — |
2,000,000
SEK
|
— |
0
SEK
|