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v3.25.2

Non-Interest Revenue - Summary of Disaggregation of Revenue from Business Segments (Detail) ₨ in Millions, $ in Millions | 12 Months Ended
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Mar. 31, 2025 INR (₨) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 INR (₨) | Mar. 31, 2023 INR (₨)
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | ₨ 324,086.5 | $ 3,793.6 | ₨ 280,965.9 | ₨ 239,603.7
Retail Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 254,120.5 | 2,974.5 | 229,890.7 | 215,252.5
Wholesale Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 30,699.5 | 359.4 | 27,844.8 | 23,619.5
Treasury Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 159.7 | 1.9 | 414.9 | 731.7
Insurance services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 0.0 | 0.0 | 0.0 | 0.0
Others |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | ₨ 39,106.8 | $ 457.8 | ₨ 22,815.5 | ₨ 0.0

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