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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||
| Revenue [abstract] | ||||||||||||||
| Revenue | — | — | — | — | — |
27 049
SEK
|
— | — | — |
29 819
SEK
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||||
| Expense of restructuring activities | — | — | — | — | — |
61,000,000
SEK
|
— | — | — |
16 9
SEK
|
— | — | — | — |
| Research and development expense | — | — | — | — | — |
8 51
SEK
|
— | — | — |
1 0 33
SEK
|
— | — | — | — |
| Selling, general and administrative expense [abstract] | ||||||||||||||
| Selling expense | — | — | — | — | — |
4 59 0
SEK
|
— | — | — |
5 285
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 | — | — | — | — | — |
17,000,000
SEK
|
— | — | — |
21,000,000
SEK
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
37,000,000
SEK
|
–
SEK
|
1 568
SEK
|
–
SEK
|
4 543
SEK
|
4 580
SEK
|
2 974
SEK
|
3 225
SEK
|
–
SEK
|
946,000,000
SEK
|
9,000,000
SEK
|
–
SEK
|
936,000,000
SEK
|
2 28 8
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
4 543
SEK
|
— | — | — |
936,000,000
SEK
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
37,000,000
SEK
|
— | — | — |
9,000,000
SEK
|
— | — | — | — |