Statement Of Changes In Equity [Abstract]
| Concept |
2022-05-01 to 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
As at 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||
| Equity | — |
5 272,5
SEK
|
68,000,000
SEK
|
4 534,6
SEK
|
6,687,000,000
SEK
|
520,000,000
SEK
|
104,000,000
SEK
|
— | — | — |
3 693,4
SEK
|
627,000,000
SEK
|
384,000,000
SEK
|
520,000,000
SEK
|
— | — |
70,000,000
SEK
|
— | — |
3 853,5
SEK
|
22,000,000
SEK
|
3 330,1
SEK
|
564,000,000
SEK
|
3 307,2
SEK
|
251,000,000
SEK
|
520,000,000
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||
| Profit (loss) |
1 044,7
SEK
|
— | — | — | — | — | — |
1 039,6
SEK
|
— |
51,000,000
SEK
|
— | — | — | — |
4,000,000
SEK
|
5,439,000,000
SEK
|
— | — |
5,443,000,000
SEK
|
— | — | — | — | — | — | — |
| Other comprehensive income |
6,063,000,000
SEK
|
— | — | — | — | — | — |
3,000,000
SEK
|
6,060,000,000
SEK
|
— | — | — | — | — | — |
60,000,000
SEK
|
— |
1,191,000,000
SEK
|
1,251,000,000
SEK
|
— | — | — | — | — | — | — |
| Comprehensive income |
1 651,0
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,694,000,000
SEK
|
— | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
1,887,000,000
SEK
|
— | — | — | — | — | — |
1,872,000,000
SEK
|
— |
15,000,000
SEK
|
— | — | — | — |
18,000,000
SEK
|
1,560,000,000
SEK
|
— | — |
1,578,000,000
SEK
|
— | — | — | — | — | — | — |