v3.25.1
Capital and financial risk management - Level 3 financial instruments (Details) - EUR (€)
€ in Millions
12 Months Ended
May 31, 2024
Mar. 31, 2025
Mar. 31, 2024
Capital and financial risk management      
Decrease of the valuation Redeemable Preference Shares   € 0  
Increase of the valuation Redeemable Preference Shares   € 0  
Zegona Communications Plc [Member] | Vodafone Spain, Discontinued Operations [Member]      
Capital and financial risk management      
Non Cash Consideration From Losing Control Of Subsidiaries € 900    
Redeemable Preference Shares [Member]      
Capital and financial risk management      
Expected volatility, share options granted   10.00%  
Level 3      
Capital and financial risk management      
Embedded derivative asset   € 0 € 22
Level 3 | Equity Security [Member] | Zegona shares [Member]      
Capital and financial risk management      
Financial assets at fair value through profit or loss   937  
Bank borrowings secured against Indian assets      
Capital and financial risk management      
Secured bank borrowings € 1,720 € 0 1,700
Bank borrowings secured against Indian assets | Level 3      
Capital and financial risk management      
Embedded derivative asset     € 22