Analysis Of Income And Expense [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||
| Interest income | — | — |
852,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
600,000,000
SEK
|
— |
| Revenue | — | — |
330,145,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
282,045,000,000
SEK
|
— |
| Material income and expense [abstract] | ||||||||||||||||||
| Research and development expense | — | — |
11,514,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
12,714,000,000
SEK
|
— |
| Finance income (cost) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other finance income (cost) | — | — |
1,532,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,058,000,000
SEK
|
— |
| Interest expense | — | — |
837,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,057,000,000
SEK
|
— |
| Other operating income (expense) | — | — |
1,556,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,643,000,000
SEK
|
— |
| Sales and marketing expense | — | — |
21,000,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
18,796,000,000
SEK
|
— |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||||
| 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 |
—
SEK
|
3,902,000,000
SEK
|
3,872,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
30,000,000
SEK
|
3,902,000,000
SEK
|
—
SEK
|
—
SEK
|
1,132,000,000
SEK
|
3,243,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
3,243,000,000
SEK
|
4,375,000,000
SEK
|
—
SEK
|
| Other comprehensive income, before tax, hedges of net investments in foreign operations |
—
SEK
|
710,000,000
SEK
|
710,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
710,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
265,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
265,000,000
SEK
|
265,000,000
SEK
|
—
SEK
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — |
4,443,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
951,000,000
SEK
|
— |
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — |
998,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
669,000,000
SEK
|
— |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — |
319,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
526,000,000
SEK
|
— |
| Income tax relating to components of other comprehensive income |
—
SEK
|
1,281,000,000
SEK
|
1,317,000,000
SEK
|
—
SEK
|
—
SEK
|
998,000,000
SEK
|
36,000,000
SEK
|
147,000,000
SEK
|
430,000,000
SEK
|
—
SEK
|
31,000,000
SEK
|
54,000,000
SEK
|
—
SEK
|
—
SEK
|
441,000,000
SEK
|
174,000,000
SEK
|
143,000,000
SEK
|
669,000,000
SEK
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income |
—
SEK
|
24,150,000,000
SEK
|
25,697,000,000
SEK
|
—
SEK
|
—
SEK
|
19,139,000,000
SEK
|
1,547,000,000
SEK
|
3,339,000,000
SEK
|
1,672,000,000
SEK
|
—
SEK
|
2,632,000,000
SEK
|
3,032,000,000
SEK
|
—
SEK
|
—
SEK
|
1,712,000,000
SEK
|
16,320,000,000
SEK
|
18,952,000,000
SEK
|
15,000,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
24,150,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
16,320,000,000
SEK
|
— |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — |
1,547,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
2,632,000,000
SEK
|
— |