v3.26.1
Insurance services - Summary of Information Regarding Movement of Total VOBA Contracts (Detail)
₨ in Millions, $ in Millions
12 Months Ended
Mar. 31, 2026
INR (₨)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
INR (₨)
Separate Accounts Disclosure [Abstract]      
Beginning balance ₨ 184,279.4 $ 1,964.0 ₨ 204,395.7
Amortization (14,527.3) (154.8) (16,669.1)
Experience Adjustment (1,033.5) (11.0) (3,447.2)
Ending balance ₨ 168,718.6 $ 1,798.2 ₨ 184,279.4