v3.26.1
Loans - Allowance for Credit Losses (Parenthetical) (Detail)
₨ in Millions, $ in Millions
12 Months Ended
Mar. 31, 2026
INR (₨)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
INR (₨)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
INR (₨)
Financing Receivable, Allowance for Credit Loss [Line Items]          
Cash recoveries, recoveries against write off cases ₨ 47,696.8 $ 508.3 ₨ 46,492.3 $ 544.3 ₨ 48,690.9
Retail loans          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Recoveries of loans 44,707.4 476.5 46,314.2   44,432.2
Wholesale loans          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Recoveries of loans ₨ 2,989.4 $ 31.8 ₨ 178.1   ₨ 4,258.7