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Non-Interest Revenue - Summary of Disaggregation of Revenue from Business Segments (Detail) ₨ in Millions, $ in Millions	12 Months Ended
	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.

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No definition available.

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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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Period Type:

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- Details

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