v3.26.1
Commitments (Details) - EUR (€)
€ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Commitments    
Contracts placed for future capital expenditure not provided in the financial statements € 3,292 € 2,264
OXG Glasfaser GmbH | Altice Luxembourg S.A    
Commitments    
Ownership interest of joint venture 50.00%  
Capital commitments from share of joint operations € 950  
Capital commitments provided to joint venture entities 48 € 36
Capital commitments € 832