Statement Of Changes In Equity [Abstract]
| Concept |
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 |
|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||
| Statement of changes in equity [line items] | ||||||
| Increase (decrease) through transactions with owners, equity |
823,000,000
SEK
|
82 3
SEK
|
823,000,000
SEK
|
676,000,000
SEK
|
676,000,000
SEK
|
676,000,000
SEK
|