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 | — | — | — |
2 676,3
SEK
|
— | — | — |
1 340,4
SEK
|
— | — |
| Material income and expense [abstract] | ||||||||||
| Finance income (cost) | — | — | — |
215,000,000
SEK
|
— | — | — |
132,000,000
SEK
|
— | — |
| Revenue and other operating income | — | — | — |
2 726,9
SEK
|
— | — | — |
1 377,2
SEK
|
— | — |
| Operating expense | — | — | — |
2 466,7
SEK
|
— | — | — |
1 249,8
SEK
|
— | — |
| Expenses by nature [abstract] | ||||||||||
| Raw materials and consumables used | — | — | — |
1 361,7
SEK
|
— | — | — |
6,725,000,000
SEK
|
— | — |
| Classes of employee benefits expense [abstract] | ||||||||||
| Employee benefits expense | — | — | — |
8,272,000,000
SEK
|
— | — | — |
4,320,000,000
SEK
|
— | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss | — | — | — |
745,000,000
SEK
|
— | — | — |
285,000,000
SEK
|
— | — |
| Other expenses, by nature | — | — | — |
2,034,000,000
SEK
|
— | — | — |
1,168,000,000
SEK
|
— | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
218,000,000
SEK
|
— | — |
218,000,000
SEK
|
— | — | — |
55,000,000
SEK
|
— |
55,000,000
SEK
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income |
218,000,000
SEK
|
-
SEK
|
-
SEK
|
2,075,000,000
SEK
|
1,857,000,000
SEK
|
896,000,000
SEK
|
-
SEK
|
841,000,000
SEK
|
-
SEK
|
55,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
2,075,000,000
SEK
|
— | — | — |
841,000,000
SEK
|
— | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — |
-
SEK
|
— | — | — |
-
SEK
|
— | — |