Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
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As at 2024-03-31 |
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As at 2024-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
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As at 2023-03-31 |
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| Disclosure of fair value measurement [text block] | — | — |
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| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | ||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | ||||||||||||||||||||||||||||||||||
| Assets | — |
1,217,570
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,191,980
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | ||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | ||||||||||||||||||||||||||||||||||
| Equity |
17,142,000,000
EUR
|
45,795,000,000
EUR
|
— |
5,778,000,000
EUR
|
0
EUR
|
1,064,000,000
EUR
|
0
EUR
|
2,197,000,000
EUR
|
29,566,000,000
EUR
|
40,017,000,000
EUR
|
32,000,000
EUR
|
7,792,000,000
EUR
|
1,177,000,000
EUR
|
29,672,000,000
EUR
|
15,801,000,000
EUR
|
20,441,000,000
EUR
|
0
EUR
|
2,979,000,000
EUR
|
1,043,000,000
EUR
|
2,192,000,000
EUR
|
32,651,000,000
EUR
|
263,000,000
EUR
|
9,159,000,000
EUR
|
1,177,000,000
EUR
|
17,098,000,000
EUR
|
8,520,000,000
EUR
|
910,000,000
EUR
|
435,000,000
EUR
|
19,818,000,000
EUR
|
1,990,000,000
EUR
|
484,000,000
EUR
|
2,720,000,000
EUR
|
15,765,000,000
EUR
|
9,492,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |