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Consolidated Statement of Cash Flows (Parentheticals) - EUR (€)
€ in Millions
12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Disclosure of detailed information about financial instruments [line items]    
Proceeds from issue of bonds, notes and debentures € 1,200  
Jet fuel derivative instruments,    
Disclosure of detailed information about financial instruments [line items]    
Exceptional fair value gain (loss) € (131) € 131