Capital and financial risk management - Liquidity risk - Borrowings (Details) € in Millions, $ in Billions |
12 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2026
USD ($)
|
Mar. 31, 2026
EUR (€)
|
Mar. 31, 2025
EUR (€)
|
|
| Borrowings | |||
| Principal amount | € 18,786 | € 22,628 | |
| Minimum | |||
| Borrowings | |||
| Long-term borrowings maturity (in years) | 1 year | ||
| Maximum | |||
| Borrowings | |||
| Long-term borrowings maturity (in years) | 60 years | ||
| Revolving credit facility | |||
| Borrowings | |||
| Undrawn revolving credit facilities | 7,600 | ||
| Revolving credit facility | Maximum | United States of America, Dollars | |||
| Borrowings | |||
| Principal amount | $ 4.0 | 3,500 | |
| Revolving credit facility | Maximum | Euro | |||
| Borrowings | |||
| Principal amount | 4,100 | ||
| Committed bank facilities | |||
| Borrowings | |||
| Undrawn revolving credit facilities | € 7,600 | € 8,000 |