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Trade Payables and Accrued Expenses - Summary of Trade Payables and Accrued Expenses (Detail)
₨ in Millions, $ in Millions
Mar. 31, 2018
INR (₨)
Mar. 31, 2018
USD ($)
Mar. 31, 2017
INR (₨)
Trade and other current payables [abstract]      
Trade payables ₨ 24,406   ₨ 23,452
Accrued expenses 45,632   42,034
Liabilities directly associated with assets held for sale (1,909)    
Trade payables and accrued expenses ₨ 68,129 $ 1,047 ₨ 65,486