v3.26.1
Financial instruments - Fair value and risk management - Amounts reclassified from OCI to capitalized cost of aircraft additions (Details) - EUR (€)
€ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Disclosure of detailed information about hedging instruments [line items]      
Amounts reclassified from other comprehensive income into capitalized cost of aircraft additions within property, plant and equipment € (63.8) € (100.6) € (305.7)
Property, plant and equipment - aircraft additions      
Disclosure of detailed information about hedging instruments [line items]      
Amounts reclassified from other comprehensive income into capitalized cost of aircraft additions within property, plant and equipment € (63.8) € (100.6) € (305.7)