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 |
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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||
| Revenue [abstract] | ||||||||||
| Revenue | — | — | — |
21 516
SEK
|
— | — | — |
16 207
SEK
|
— | — |
| Material income and expense [abstract] | ||||||||||
| Research and development expense | — | — | — |
412,000,000
SEK
|
— | — | — |
336,000,000
SEK
|
— | — |
| Finance income (cost) | — | — | — |
499,000,000
SEK
|
— | — | — |
532,000,000
SEK
|
— | — |
| Other operating income (expense) | — | — | — |
78,000,000
SEK
|
— | — | — |
64,000,000
SEK
|
— | — |
| Selling, general and administrative expense [abstract] | ||||||||||
| Selling expense | — | — | — |
1 593
SEK
|
— | — | — |
1 214
SEK
|
— | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income |
1 790
SEK
|
–
SEK
|
–
SEK
|
3 595
SEK
|
1 805
SEK
|
437,000,000
SEK
|
–
SEK
|
1 162
SEK
|
–
SEK
|
1 599
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
3 595
SEK
|
— | — | — |
1 162
SEK
|
— | — |