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Contractual Residual Maturity of Gross Loans (Detail)
₨ in Millions, $ in Millions
Mar. 31, 2015
INR (₨)
Mar. 31, 2015
USD ($)
Mar. 31, 2014
INR (₨)
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Within one year ₨ 1,470,260.5    
Over one year through five years 2,124,149.7    
Over five years 349,038.9    
Total gross loans 3,943,449.1 $ 63,287.5 ₨ 3,228,261.3
Wholesale loans      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Within one year 680,287.1    
Over one year through five years 442,874.1    
Over five years 99,299.4    
Total gross loans 1,222,460.6 19,619.0  
Retail Loans      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Within one year 789,973.4    
Over one year through five years 1,681,275.6    
Over five years 249,739.5    
Total gross loans ₨ 2,720,988.5 $ 43,668.5