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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, 2022 INR (₨) | Mar. 31, 2022 USD ($) | Mar. 31, 2021 INR (₨) | Mar. 31, 2020 INR (₨)
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | ₨ 202,979.5 | $ 2,675.4 | ₨ 165,410.4 | ₨ 160,099.5
Retail Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 182,464.1 | 2,405.0 | 153,018.2 | 146,855.7
Wholesale Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 19,802.0 | 261.0 | 11,712.7 | 13,041.6
Treasury Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | ₨ 713.4 | $ 9.4 | ₨ 679.5 | ₨ 202.2

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- Definition Amount of fees and commissions from financial services and banking activities and correspondent clearing. including fees from credit cards, merchant discounts, and administrative fees. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Period Type: |