Deposits - Additional Information (Detail) ₨ in Millions, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2025
INR (₨)
|
Mar. 31, 2024
INR (₨)
|
Mar. 31, 2025
USD ($)
|
|
| Deposits From Banking Clients [Line Items] | |||
| Time deposits with residual maturity of one year or less | ₨ 12,328,690.0 | ₨ 10,598,905.6 | $ 144,313.4 |
| Maturity of deposits | 1 year | 1 year | |
| Time deposits | ₨ 17,689,697.7 | 14,700,957.1 | $ 207,066.6 |
| Excess in time deposits | ₨ 0.5 | 0.5 | |
| Maximum [Member] | |||
| Deposits From Banking Clients [Line Items] | |||
| Maturity of deposits | 10 years | 10 years | |
| Deposit in excess of Rs. 500000 | |||
| Deposits From Banking Clients [Line Items] | |||
| Time deposits | ₨ 15,657,927.8 | ₨ 12,777,915.1 | |