XML 177 R82.htm IDEA: XBRL DOCUMENT v3.2.0.727
Loans - Additional Information (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]      
Loans pledged as collateral for borrowings ₨ 192,684.5 $ 3,092.4 ₨ 115,777.3