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Short-Term Borrowings (Detail) ₨ in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2015 INR (₨)	Mar. 31, 2015 USD ($)	Mar. 31, 2014 INR (₨)	Mar. 31, 2015 USD ($)
Short-term Debt [Line Items]
Short-term borrowings	₨ 214,191.9		₨ 150,775.5	$ 3,437.5
Weighted average interest rate	3.00%		3.30%	3.00%
Maximum amount outstanding	₨ 276,731.0	$ 4,441.2	₨ 383,190.9
Average amount outstanding	143,975.8	$ 2,310.6	213,031.8
Borrowed in the call market
Short-term Debt [Line Items]
Short-term borrowings	14,851.7		13,937.3	$ 238.3
Term borrowings from institutions/banks
Short-term Debt [Line Items]
Short-term borrowings	80,002.8		49,550.0	1,284.0
Foreign currency borrowings
Short-term Debt [Line Items]
Short-term borrowings	119,337.4		83,313.8	1,915.2
Bills rediscounted
Short-term Debt [Line Items]
Short-term borrowings	₨ 0.0		₨ 3,974.4	$ 0.0

X

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 210



-Section S99



-Paragraph 1



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-Name Accounting Standards Codification



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Weighted average interest rate of short-term debt outstanding.

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For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.

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For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, the maximum amount borrowed at any time during the period.

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