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 from sale of goods | — | — | — | — | — |
9 648
SEK
|
— | — | — |
8 220
SEK
|
— | — | — | — |
| Interest income | — | — | — | — | — |
3,000,000
SEK
|
— | — | — |
6,000,000
SEK
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||||
| Research and development expense | — | — | — | — | — |
53,000,000
SEK
|
— | — | — |
55,000,000
SEK
|
— | — | — | — |
| Finance income (cost) | — | — | — | — | — |
43,000,000
SEK
|
— | — | — |
38,000,000
SEK
|
— | — | — | — |
| Other finance income (cost) | — | — | — | — | — |
7,000,000
SEK
|
— | — | — |
4,000,000
SEK
|
— | — | — | — |
| Interest expense | — | — | — | — | — |
39,000,000
SEK
|
— | — | — |
40,000,000
SEK
|
— | — | — | — |
| Selling, general and administrative expense [abstract] | ||||||||||||||
| Selling expense | — | — | — | — | — |
1 114
SEK
|
— | — | — |
1 020
SEK
|
— | — | — | — |
| Operating expense | — | — | — | — | — |
1 682
SEK
|
— | — | — |
1 599
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 |
0
SEK
|
— |
14 8
SEK
|
14 8
SEK
|
— |
14 8
SEK
|
— | — | — |
356,000,000
SEK
|
3 56
SEK
|
0
SEK
|
356,000,000
SEK
|
— |
| Other comprehensive income, net of tax, hedges of net investments in foreign operations | — | — |
29,000,000
SEK
|
29,000,000
SEK
|
— |
29,000,000
SEK
|
— | — | — |
37,000,000
SEK
|
37,000,000
SEK
|
— |
37,000,000
SEK
|
— |
| Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — | — | — | — | — |
14 8
SEK
|
— | — | — |
356,000,000
SEK
|
— | — | — | — |
| Other comprehensive income, before tax, hedges of net investments in foreign operations | — | — | — | — | — |
37,000,000
SEK
|
— | — | — |
47,000,000
SEK
|
— | — | — | — |
| Income tax relating to exchange differences on translation of foreign operations and hedges of net investments in foreign operations included in other comprehensive income [abstract] | ||||||||||||||
| Income tax relating to hedges of net investments in foreign operations included in other comprehensive income | — | — | — | — | — |
8,000,000
SEK
|
— | — | — |
10,000,000
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 | — | — | — | — | — |
0
SEK
|
— | — | — |
1,000,000
SEK
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
0
SEK
|
-
SEK
|
177,000,000
SEK
|
719,000,000
SEK
|
-
SEK
|
7 19
SEK
|
542,000,000
SEK
|
600,000,000
SEK
|
-
SEK
|
281,000,000
SEK
|
319,000,000
SEK
|
0
SEK
|
281,000,000
SEK
|
-
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
719,000,000
SEK
|
— | — | — |
281,000,000
SEK
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
0
SEK
|
— | — | — |
0
SEK
|
— | — | — | — |