v3.26.1
Capital and financial risk management - Credit risk - Operating activities - Movements in allowance for expected credit losses (Details) - Expected credit loss allowance - EUR (€)
€ in Millions
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Contract assets    
Capital and financial risk management    
Allowance for expected credit losses at beginning of period € 46 € 20
Exchange movements (1) 1
Amounts charged to credit losses on financial assets 48 85
Other 4 (60)
Allowance for expected credit losses at end of period 97 46
Trade receivables | Amortised cost    
Capital and financial risk management    
Allowance for expected credit losses at beginning of period 865 765
Exchange movements (24) (7)
Amounts charged to credit losses on financial assets 319 360
Other (229) (253)
Allowance for expected credit losses at end of period 931 865
Trade receivables | Financial assets at fair value through other comprehensive income, category [member]    
Capital and financial risk management    
Allowance for expected credit losses at beginning of period 77 78
Exchange movements 0 0
Amounts charged to credit losses on financial assets 62 31
Other (78) (32)
Allowance for expected credit losses at end of period € 61 € 77