v3.25.1
Contingent liabilities and legal proceedings - Indus Tower merger (Details)
€ in Millions, ₨ in Billions
1 Months Ended 12 Months Ended
Feb. 28, 2025
EUR (€)
Jan. 31, 2025
EUR (€)
Jan. 31, 2025
INR (₨)
Mar. 31, 2025
EUR (€)
Mar. 31, 2024
EUR (€)
Mar. 31, 2023
EUR (€)
May 31, 2024
EUR (€)
Disclosure of contingent liabilities [line items]              
Financial assets pledged as collateral for liabilities or contingent liabilities       € 1,010 € 741    
Payment Of Tax To Indian Authority € 130            
Net Repayment Of Tax 13            
Tax effect from change in tax rate € 185     721 (19) € 35  
Bank Borrowings Secured Against Indian Assets [Member]              
Disclosure of contingent liabilities [line items]              
Secured bank loans received       0 1,700   € 1,720
Indus Towers.              
Disclosure of contingent liabilities [line items]              
Proceeds from issuing shares   € 207 ₨ 19.1        
Maximum [Member] | Indus Towers. | Indus Towers and Bharti Infratel merger, secondary pledge              
Disclosure of contingent liabilities [line items]              
Financial assets pledged as collateral for liabilities or contingent liabilities       € 42,500 € 472