Statement Of Changes In Equity [Abstract]
| Concept |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||
| Equity |
22,000,000
EUR
|
— |
990,000,000
EUR
|
6 915
EUR
|
— | — |
222,000,000
EUR
|
— | — |
6 125
EUR
|
990,000,000
EUR
|
— | — |
22,000,000
EUR
|
5 394
EUR
|
222,000,000
EUR
|
— |
6 184
EUR
|
— | — |
990,000,000
EUR
|
22,000,000
EUR
|
5 720
EUR
|
222,000,000
EUR
|
4 930
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) | — |
–
EUR
|
— | — |
795,000,000
EUR
|
–
EUR
|
— |
795,000,000
EUR
|
–
EUR
|
— | — |
–
EUR
|
–
EUR
|
— | — | — |
519,000,000
EUR
|
— |
–
EUR
|
519,000,000
EUR
|
— | — | — | — | — |
| Dividends recognised as distributions to owners | — |
–
EUR
|
— | — |
64,000,000
EUR
|
–
EUR
|
— |
64,000,000
EUR
|
–
EUR
|
— | — |
–
EUR
|
–
EUR
|
— | — | — |
55,000,000
EUR
|
— |
–
EUR
|
55,000,000
EUR
|
— | — | — | — | — |