v3.26.1
Consolidated Statement of Cash Flows (Parenthetical)
₨ in Millions, $ in Millions
12 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2026
INR (₨)
Mar. 31, 2025
USD ($)
Mar. 31, 2025
INR (₨)
Mar. 31, 2024
USD ($)
Mar. 31, 2024
INR (₨)
Statement of cash flows [abstract]            
Proceeds from debentures issued by subsidiaries | $ $ 9,731   $ 1,829   $ 7,608  
Interest paid, capitalized | ₨   ₨ 11,269   ₨ 11,251   ₨ 9,853