v3.25.1
Capital and financial risk management - Financial risk management (Details) - EUR (€)
€ in Millions
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Disclosure of detailed information about financial instruments [line items]      
Provisions € 2,496 € 2,448 € 2,246
Bonds having change of control clause 30,000 32,000  
Financial Guarantees      
Disclosure of detailed information about financial instruments [line items]      
Exposure from guarantee contracts 1,765 € 1,929  
Provisions € 0