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 | — | — | — | — | — |
20 104
SEK
|
— | — | — |
18 991
SEK
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||||
| Finance income (cost) | — | — | — | — | — |
129,000,000
SEK
|
— | — | — |
185,000,000
SEK
|
— | — | — | — |
| Miscellaneous other operating income | — | — | — | — | — |
58,000,000
SEK
|
— | — | — |
198,000,000
SEK
|
— | — | — | — |
| Miscellaneous other operating expense | — | — | — | — | — |
1,000,000
SEK
|
— | — | — |
24,000,000
SEK
|
— | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||
| Raw materials and consumables used | — | — | — | — | — |
3 918
SEK
|
— | — | — |
3 811
SEK
|
— | — | — | — |
| Classes of employee benefits expense [abstract] | ||||||||||||||
| Employee benefits expense | — | — | — | — | — |
12 266
SEK
|
— | — | — |
11 860
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 | — | — | — | — | — |
698,000,000
SEK
|
— | — | — |
663,000,000
SEK
|
— | — | — | — |
| Other expenses, by nature | — | — | — | — | — |
1 622
SEK
|
— | — | — |
1 326
SEK
|
— | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||
| Share of profit (loss) of associates accounted for using equity method | — | — | — | — | — |
5,000,000
SEK
|
— | — | — |
5,000,000
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 | — | — | — | — | — |
0
SEK
|
— | — | — |
6,000,000
SEK
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
0
SEK
|
347,000,000
SEK
|
—
SEK
|
1 581
SEK
|
—
SEK
|
1 582
SEK
|
1 235
SEK
|
955,000,000
SEK
|
—
SEK
|
519,000,000
SEK
|
0
SEK
|
520,000,000
SEK
|
—
SEK
|
435,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
1 581
SEK
|
— | — | — |
520,000,000
SEK
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
0
SEK
|
— | — | — |
0
SEK
|
— | — | — | — |