Analysis Of Income And Expense [Abstract]
| Concept |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2020-05-01 to 2021-04-30 |
2020-05-01 to 2021-04-30 |
2020-05-01 to 2021-04-30 |
2020-05-01 to 2021-04-30 |
2020-05-01 to 2021-04-30 |
2020-05-01 to 2021-04-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||
| Material income and expense [abstract] | ||||||||||||
| Research and development expense | — | — | — | — |
1,372,000,000
SEK
|
— | — | — |
1,486,000,000
SEK
|
— | — | — |
| Other operating income (expense) | — | — | — | — |
48,000,000
SEK
|
— | — | — |
85,000,000
SEK
|
— | — | — |
| Selling, general and administrative expense [abstract] | ||||||||||||
| Selling expense | — | — | — | — |
1,355,000,000
SEK
|
— | — | — |
1,143,000,000
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 | — |
758,000,000
SEK
|
758,000,000
SEK
|
— |
758,000,000
SEK
|
0
SEK
|
838,000,000
SEK
|
— |
838,000,000
SEK
|
— |
0
SEK
|
838,000,000
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 | — | — | — | — |
5,000,000
SEK
|
— | — | — |
7,000,000
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 | — | — | — | — |
2,000,000
SEK
|
— | — | — |
43,000,000
SEK
|
— | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — | — | — |
92,000,000
SEK
|
— | — | — |
48,000,000
SEK
|
— | — | — |
| Income tax relating to components of other comprehensive income |
2,000,000
SEK
|
94,000,000
SEK
|
— |
92,000,000
SEK
|
94,000,000
SEK
|
— | — |
48,000,000
SEK
|
90,000,000
SEK
|
43,000,000
SEK
|
— |
90,000,000
SEK
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income |
1,13 7
SEK
|
1,540,000,000
SEK
|
75 8
SEK
|
355,000,000
SEK
|
1,543,000,000
SEK
|
3,000,000
SEK
|
8 38
SEK
|
184,000,000
SEK
|
759,000,000
SEK
|
1,414,000,000
SEK
|
1,000,000
SEK
|
76 0
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
1,540,000,000
SEK
|
— | — | — |
760,000,000
SEK
|
— | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
3,000,000
SEK
|
— | — | — |
1,000,000
SEK
|
— | — | — |