v3.25.2
Sales/transfer of receivables - Summary of Cash Flows Between Transferee and Transferor (Detail)
₨ in Millions, $ in Millions
12 Months Ended
Mar. 31, 2025
INR (₨)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
INR (₨)
Mar. 31, 2025
USD ($)
Transfers and Servicing [Abstract]        
Collections against securitized receivables/transfers ₨ 38,841.9 $ 454.7 ₨ 0.0  
Payments made 32,758.6 383.5 0.0  
Cash flows on retained interests 6,083.3 $ 71.2 0.0  
Transferred receivables with continuing involvement 332,411.5   0.0 $ 3,891.0
Delinquencies 15.4   0.0 0.2
Retained interest in sold receivables ₨ 37,189.9   ₨ 0.0 $ 435.3