XML 122 R112.htm IDEA: XBRL DOCUMENT v3.10.0.1
Long-Term Debt (Detail)
₨ in Millions, $ in Millions
Mar. 31, 2018
INR (₨)
Mar. 31, 2018
USD ($)
Mar. 31, 2017
INR (₨)
Debt Instrument [Line Items]      
Subordinated debt ₨ 231,070.0 $ 3,548.9 ₨ 149,020.0
Others 701,885.6 10,780.0 581,969.0
Less: Debt issuance cost (49.3) (0.7) (68.3)
Total ₨ 932,906.3 $ 14,328.2 ₨ 730,920.7