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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, 2021 INR (₨) | Mar. 31, 2021 USD ($) | Mar. 31, 2020 INR (₨) | Mar. 31, 2019 INR (₨)
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | ₨ 165,410.4 | $ 2,261.6 | ₨ 160,099.5 | ₨ 134,155.2
Retail Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 153,018.2 | 2,092.1 | 146,855.7 | 123,070.6
Wholesale Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 11,712.7 | 160.1 | 13,041.6 | 10,839.6
Treasury Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | ₨ 679.5 | $ 9.4 | ₨ 202.2 | ₨ 245.0

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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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