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Other Assets (Detail) ₨ in Millions, $ in Millions	Mar. 31, 2018 INR (₨)	Mar. 31, 2018 USD ($)	Mar. 31, 2017 INR (₨)
Deferred Costs, Capitalized and Other Assets Disclosure [Line Items]
Security deposits for leased property	₨ 5,004.1	$ 76.9	₨ 4,934.5
Sundry accounts receivable	23,216.1	356.6	19,844.2
Advance tax (net of provision for taxes)	17,988.3	276.3	16,876.6
Advances	5,510.2	84.6	3,696.3
Prepaid expenses	897.0	13.8	800.8
Restricted cash/securitization margin for credit enhancement and securitized transactions	5,815.1	89.3	5,998.6
Derivatives	50,836.3	780.8	139,217.1
Others	48,297.8	741.7	25,406.4
Total	₨ 157,564.9	$ 2,420.0	₨ 216,774.5

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Amount at the balance sheet date that has been paid net of provision of taxes , not limited to, foreign, federal, state, and local authorities as taxes on income.

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Deferred Costs, Capitalized and Other Assets Disclosure [Line Items]

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The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Amount of assets classified as other.

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Amount of other miscellaneous assets.

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Amount due from parties in nontrade transactions, classified as other.

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Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.

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