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] | ||||||||||
| Material income and expense [abstract] | ||||||||||
| Research and development expense | — | — | — |
2,723,000,000
SEK
|
— | — | — |
2,249,000,000
SEK
|
— | — |
| Selling, general and administrative expense [abstract] | ||||||||||
| Selling expense | — | — | — |
2,804,000,000
SEK
|
— | — | — |
2,866,000,000
SEK
|
— | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income |
0
SEK
|
130,000,000
SEK
|
0
SEK
|
2,105,000,000
SEK
|
2,235,000,000
SEK
|
844,000,000
SEK
|
0
SEK
|
1,009,000,000
SEK
|
0
SEK
|
165,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
2,105,000,000
SEK
|
— | — | — |
1,009,000,000
SEK
|
— | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — |
—
SEK
|
— | — | — |
—
SEK
|
— | — |