Statement Of Financial Position [Abstract]
| Concept |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2021-04-30 |
As at 2021-04-30 |
As at 2021-04-30 |
As at 2021-04-30 |
As at 2021-04-30 |
As at 2021-04-30 |
As at 2020-04-30 |
As at 2020-04-30 |
As at 2020-04-30 |
As at 2020-04-30 |
As at 2020-04-30 |
As at 2020-04-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Goodwill | — | — | — | — | — |
8,889,000,000
SEK
|
— | — | — | — |
7,356,000,000
SEK
|
— | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — |
748,000,000
SEK
|
— | — | — | — |
700,000,000
SEK
|
— | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — | — | — | — | — |
71,000,000
SEK
|
— | — | — | — |
258,000,000
SEK
|
— | — | — | — | — | — | — |
| Inventories | — | — | — | — | — |
2 224,9
SEK
|
— | — | — | — |
1 436,9
SEK
|
— | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — |
1,720,000,000
SEK
|
— | — | — | — |
1,954,000,000
SEK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — |
3,359,000,000
SEK
|
— | — | — | — |
3,191,000,000
SEK
|
— | — | — | — | — |
3,782,000,000
SEK
|
— |
| Assets | — | — | — | — | — |
8 472,4
SEK
|
— | — | — | — |
6 955,5
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Retained earnings | — | — | — | — | — |
3 693,4
SEK
|
— | — | — | — |
3 307,2
SEK
|
— | — | — | — | — | — | — |
| Share premium | — | — | — | — | — |
520,000,000
SEK
|
— | — | — | — |
520,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — |
3 815,1
SEK
|
— | — | — | — |
3 305,0
SEK
|
— | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — |
384,000,000
SEK
|
— | — | — | — |
251,000,000
SEK
|
— | — | — | — | — | — | — |
| Equity |
70,000,000
SEK
|
384,000,000
SEK
|
520,000,000
SEK
|
3 693,4
SEK
|
627,000,000
SEK
|
3 853,5
SEK
|
3 307,2
SEK
|
251,000,000
SEK
|
22,000,000
SEK
|
520,000,000
SEK
|
3 330,1
SEK
|
564,000,000
SEK
|
1,178,000,000
SEK
|
520,000,000
SEK
|
2 892,8
SEK
|
199,000,000
SEK
|
3 084,7
SEK
|
22,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — |
769,000,000
SEK
|
— | — | — | — |
766,000,000
SEK
|
— | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — |
4 618,9
SEK
|
— | — | — | — |
3 625,4
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — |
8 472,4
SEK
|
— | — | — | — |
6 955,5
SEK
|
— | — | — | — | — | — | — |