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 |
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 | — | — |
7 087,5
SEK
|
— | — |
6 816,3
SEK
|
— | — |
| Material income and expense [abstract] | ||||||||
| Finance income (cost) | — | — |
841,000,000
SEK
|
— | — |
1,158,000,000
SEK
|
— | — |
| Selling, general and administrative expense [abstract] | ||||||||
| Selling expense | — | — |
1 437,8
SEK
|
— | — |
1 536,2
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 |
12,000,000
SEK
|
1,563,000,000
SEK
|
1,575,000,000
SEK
|
— | — |
2,632,000,000
SEK
|
11,000,000
SEK
|
2,621,000,000
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, hedges of net investments in foreign operations | — |
10,000,000
SEK
|
10,000,000
SEK
|
— | — |
92,000,000
SEK
|
— |
92,000,000
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 | — |
2,000,000
SEK
|
2,000,000
SEK
|
— | — |
19,000,000
SEK
|
— |
19,000,000
SEK
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||
| Comprehensive income |
53,000,000
SEK
|
1,571,000,000
SEK
|
6,362,000,000
SEK
|
4,738,000,000
SEK
|
5,693,000,000
SEK
|
3,055,000,000
SEK
|
56,000,000
SEK
|
2,694,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent | — | — |
6,309,000,000
SEK
|
— | — |
2,999,000,000
SEK
|
— | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||
| Comprehensive income, attributable to non-controlling interests | — | — |
53,000,000
SEK
|
— | — |
56,000,000
SEK
|
— | — |