Analysis Of Income And Expense [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||
| Revenue [abstract] | ||||||||||||
| Revenue | — | — | — |
9,095,000,000
SEK
|
— | — | — | — | — | — |
10,396,000,000
SEK
|
— |
| Material income and expense [abstract] | ||||||||||||
| Research and development expense | — | — | — |
644,000,000
SEK
|
— | — | — | — | — | — |
764,000,000
SEK
|
— |
| Other operating income (expense) | — | — | — |
56,000,000
SEK
|
— | — | — | — | — | — |
42,000,000
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 |
5,000,000
SEK
|
— | — |
5,000,000
SEK
|
— | — |
10,000,000
SEK
|
— | — | — |
10,000,000
SEK
|
— |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income | — |
0
SEK
|
112,000,000
SEK
|
521,000,000
SEK
|
409,000,000
SEK
|
0
SEK
|
— |
211,000,000
SEK
|
0
SEK
|
0
SEK
|
3,903,000,000
SEK
|
3,692,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
521,000,000
SEK
|
— | — | — | — | — | — |
3,903,000,000
SEK
|
— |