XML 93 R82.htm IDEA: XBRL DOCUMENT v3.7.0.1
Loans - Additional Information (Detail)
₨ in Millions, $ in Millions
Mar. 31, 2017
INR (₨)
Mar. 31, 2017
USD ($)
Mar. 31, 2016
INR (₨)
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans pledged as collateral for borrowings ₨ 187,653.3 $ 2,893.7 ₨ 162,069.5