Statement Of Financial Position [Abstract]
| Concept |
As at 2025-04-30 |
As at 2025-04-30 |
As at 2025-04-30 |
As at 2025-04-30 |
As at 2025-04-30 |
As at 2025-04-30 |
As at 2024-05-01 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2023-05-01 |
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 financial position [abstract] | ||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||
| Property, plant and equipment including right-of-use assets | — | — | — |
2 282,7
SEK
|
— | — | — |
2 424,8
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — |
1 670,5
SEK
|
— | — | — |
1 784,1
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — |
4,054,000,000
SEK
|
— | — | — |
4,004,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets | — | — | — |
5 , 1
SEK
|
— | — | — |
1 1 , 2
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
7 5 , 0
SEK
|
— | — | — |
7 3 , 1
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
1 010,7
SEK
|
— | — |
1,707,000,000
SEK
|
1,707,000,000
SEK
|
— | — | — | — | — |
1,431,000,000
SEK
|
— | — | — | — | — | — |
| Assets | — | — | — |
6 488,9
SEK
|
— | — | — |
5 850,6
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||
| Retained earnings | — | — | — |
2 345,8
SEK
|
— | — | — |
1 723,8
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — |
1,180,000,000
SEK
|
— | — | — |
469,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
–
SEK
|
— | — | — |
–
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
183,000,000
SEK
|
8 2 , 0
SEK
|
9 0 , 4
SEK
|
2 400,3
SEK
|
996,000,000
SEK
|
2 345,8
SEK
|
— |
1 849,3
SEK
|
8 2 , 0
SEK
|
563,000,000
SEK
|
1 723,8
SEK
|
9 , 4
SEK
|
9 0 , 4
SEK
|
— |
1 437,4
SEK
|
1 305,6
SEK
|
29 ,5
SEK
|
702,000,000
SEK
|
8 2 , 0
SEK
|
9 0 , 4
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||
| Deferred tax liabilities | — | — | — |
1,966,000,000
SEK
|
— | — | — |
1,612,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
6 488,9
SEK
|
— | — | — |
5 850,6
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |