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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, 2019 INR (₨) | Mar. 31, 2019 USD ($) | Mar. 31, 2018 INR (₨) | Mar. 31, 2017 INR (₨)
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | ₨ 134,155.2 | $ 1,939.8 | ₨ 120,060.9 | ₨ 94,120.3
Retail Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 123,070.6 | 1,779.5 | 110,927.2 | 86,237.9
Wholesale Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 10,839.6 | 156.7 | 8,985.0 | 7,695.8
Treasury Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | ₨ 245.0 | $ 3.6 | ₨ 148.7 | ₨ 186.6

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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: |