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 |
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 | — | — | — | — |
1,074,000,000
SEK
|
— | — | — |
954,000,000
SEK
|
— | — | — |
| Material income and expense [abstract] | ||||||||||||
| Research and development expense | — | — | — | — |
118,000,000
SEK
|
— | — | — |
116,000,000
SEK
|
— | — | — |
| Finance income (cost) | — | — | — | — |
24,000,000
SEK
|
— | — | — |
6,000,000
SEK
|
— | — | — |
| Sales and marketing expense | — | — | — | — |
266,000,000
SEK
|
— | — | — |
250,000,000
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 | — | — | — | — |
2,000,000
SEK
|
— | — | — |
4,000,000
SEK
|
— | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income |
-
SEK
|
2,000,000
SEK
|
332,000,000
SEK
|
-
SEK
|
332,000,000
SEK
|
329,000,000
SEK
|
223,000,000
SEK
|
-
SEK
|
219,000,000
SEK
|
4,000,000
SEK
|
-
SEK
|
219,000,000
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
332,000,000
SEK
|
— | — | — |
219,000,000
SEK
|
— | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
-
SEK
|
— | — | — |
-
SEK
|
— | — | — |