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 |
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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | |||||||||||||||||
| Revenue [abstract] | |||||||||||||||||
| Revenue | — | — | — |
90 827
SEK
|
— | — | — | — |
88 343
SEK
|
— | — | — | — | — | — | — | — |
| Material income and expense [abstract] | |||||||||||||||||
| Research and development expense | — | — | — |
927,000,000
SEK
|
— | — | — | — |
359,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Sales and marketing expense | — | — | — |
13 102
SEK
|
— | — | — | — |
13 985
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 | — | — | — |
102,000,000
SEK
|
— | — | — | — |
104,000,000
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 | — | — | — |
964,000,000
SEK
|
— | — | — | — |
1 360
SEK
|
— | — | — | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — | — |
317,000,000
SEK
|
— | — | — | — |
52,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | |||||||||||||||||
| Comprehensive income |
212,000,000
SEK
|
8 007
SEK
|
58,000,000
SEK
|
7 142
SEK
|
10 844
SEK
|
865,000,000
SEK
|
2 559
SEK
|
123,000,000
SEK
|
20 502
SEK
|
16 974
SEK
|
20 502
SEK
|
3 090
SEK
|
181,000,000
SEK
|
48,000,000
SEK
|
20 321
SEK
|
95,000,000
SEK
|
114,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | |||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
8 007
SEK
|
— | — | — | — |
20 321
SEK
|
— | — | — | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | |||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — |
865,000,000
SEK
|
— | — | — | — |
181,000,000
SEK
|
— | — | — | — | — | — | — | — |