Loans - Summary Information Relating to Non-performing Loans (Detail) Loans (Detail) ₨ in Millions, $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
|
Mar. 31, 2026
INR (₨)
|
Mar. 31, 2026
USD ($)
|
Mar. 31, 2025
INR (₨)
|
Mar. 31, 2024
INR (₨)
|
|
| Gross Loans | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Interest income recognized on non-performing loans | ₨ 11,350.9 | $ 121.0 | ₨ 10,884.1 | ₨ 9,675.9 |