Statement Of Changes In Equity [Abstract]
| Concept |
As at 2025-04-30 |
2024-05-01 to 2025-04-30 |
2024-05-01 to 2025-04-30 |
2024-05-01 to 2025-04-30 |
As at 2025-04-30 |
As at 2025-04-30 |
As at 2025-04-30 |
As at 2025-04-30 |
2024-05-01 to 2025-04-30 |
2024-05-01 to 2025-04-30 |
2024-05-01 to 2025-04-30 |
2024-05-01 to 2025-04-30 |
2024-05-01 to 2025-04-30 |
As at 2025-04-30 |
As at 2025-04-30 |
As at 2025-04-30 |
As at 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
As at 2024-04-30 |
2023-05-01 to 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
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 |
As at 2023-04-30 |
As at 2023-04-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity |
97,000,000
SEK
|
— | — | — |
1 92
SEK
|
812,000,000
SEK
|
45,000,000
SEK
|
8 803
SEK
|
— | — | — | — | — |
8 848
SEK
|
1 057
SEK
|
6 645
SEK
|
812,000,000
SEK
|
— | — | — | — | — |
10 779
SEK
|
— |
192,000,000
SEK
|
2 438
SEK
|
7 310
SEK
|
5,000,000
SEK
|
— | — |
22,000,000
SEK
|
10 774
SEK
|
812,000,000
SEK
|
9 734
SEK
|
9 729
SEK
|
6 912
SEK
|
4,000,000
SEK
|
42,000,000
SEK
|
1 855
SEK
|
192,000,000
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
4,000,000
SEK
|
2 37
SEK
|
–
SEK
|
— | — | — | — |
–
SEK
|
237,000,000
SEK
|
–
SEK
|
–
SEK
|
240,000,000
SEK
|
— | — | — | — |
–
SEK
|
0
SEK
|
–
SEK
|
1 302
SEK
|
–
SEK
|
— |
1 302
SEK
|
— | — | — | — |
–
SEK
|
1 302
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
4,000,000
SEK
|
1 309
SEK
|
–
SEK
|
— | — | — | — |
–
SEK
|
2,000,000
SEK
|
74,000,000
SEK
|
1 381
SEK
|
1 312
SEK
|
— | — | — | — |
64,000,000
SEK
|
0
SEK
|
–
SEK
|
640,000,000
SEK
|
583,000,000
SEK
|
— |
7,000,000
SEK
|
— | — | — | — |
–
SEK
|
641,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
0
SEK
|
1 072
SEK
|
–
SEK
|
— | — | — | — |
–
SEK
|
235,000,000
SEK
|
74,000,000
SEK
|
1 381
SEK
|
1 072
SEK
|
— | — | — | — |
64,000,000
SEK
|
1,000,000
SEK
|
–
SEK
|
1 942
SEK
|
583,000,000
SEK
|
— |
1 295
SEK
|
— | — | — | — |
–
SEK
|
1 943
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
0
SEK
|
917,000,000
SEK
|
–
SEK
|
— | — | — | — |
–
SEK
|
917,000,000
SEK
|
–
SEK
|
–
SEK
|
917,000,000
SEK
|
— | — | — | — |
–
SEK
|
–
SEK
|
–
SEK
|
917,000,000
SEK
|
–
SEK
|
— |
917,000,000
SEK
|
— | — | — | — |
–
SEK
|
917,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
–
SEK
|
18,000,000
SEK
|
–
SEK
|
— | — | — | — |
0
SEK
|
18,000,000
SEK
|
–
SEK
|
0
SEK
|
18,000,000
SEK
|
— | — | — | — |
–
SEK
|
–
SEK
|
–
SEK
|
19,000,000
SEK
|
–
SEK
|
— |
19,000,000
SEK
|
— | — | — | — |
–
SEK
|
19,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |