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 2025-04-30 |
As at 2025-04-30 |
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 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 financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — |
901,000,000
SEK
|
— | — | — |
1 062
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — |
1 006
SEK
|
— | — | — |
1 164
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — |
841,000,000
SEK
|
— | — | — |
801,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — | — | — |
866,000,000
SEK
|
— | — | — |
1 058
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — |
15 560
SEK
|
— | — | — |
17 455
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||
| Current inventories | — | — | — | — | — |
2 756
SEK
|
— | — | — |
3 259
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — | — |
196,000,000
SEK
|
— | — | — |
2 87
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — |
2 955
SEK
|
— | — | — |
2 779
SEK
|
— | — | — | — | — | — | — |
3 278
SEK
|
— | — | — | — | — | — |
| Current assets | — | — | — | — | — |
13 417
SEK
|
— | — | — |
13 958
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — |
28 977
SEK
|
— | — | — |
31 413
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — | — | — |
192,000,000
SEK
|
— | — | — |
192,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — |
6 645
SEK
|
— | — | — |
7 310
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — |
1 153
SEK
|
— | — | — |
2 461
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — |
8 803
SEK
|
— | — | — |
10 774
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — |
45,000,000
SEK
|
— | — | — |
5,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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
|
4,000,000
SEK
|
6 912
SEK
|
42,000,000
SEK
|
1 855
SEK
|
192,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||
| Non-current provisions | — | — | — | — | — |
202,000,000
SEK
|
— | — | — |
236,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — |
273,000,000
SEK
|
— | — | — |
416,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — |
7 781
SEK
|
— | — | — |
6 639
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||
| Current provisions | — | — | — | — | — |
148,000,000
SEK
|
— | — | — |
148,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — | — | — |
233,000,000
SEK
|
— | — | — |
200,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — |
12 348
SEK
|
— | — | — |
13 996
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — |
28 977
SEK
|
— | — | — |
31 413
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |