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Trade Receivables - Schedule of Trade Receivables (Detail)
₨ in Millions, $ in Millions
Mar. 31, 2024
INR (₨)
Mar. 31, 2024
USD ($)
Mar. 31, 2023
INR (₨)
Mar. 31, 2022
INR (₨)
Trade and other receivables [abstract]        
Trade receivables ₨ 125,838   ₨ 134,026  
Allowance for lifetime expected credit loss (6,316)   (6,813) ₨ (10,299)
Total 119,522   127,213  
Non-current 4,045 $ 49 863  
Current ₨ 115,477 $ 1,387 ₨ 126,350