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Future Amortization of Finite Lived Intangible Assets (Detail) - Mar. 31, 2024
₨ in Millions, $ in Millions
INR (₨)
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]    
2025 ₨ 21,827.1 $ 261.9
2026 19,843.8 238.1
2027 18,138.2 217.6
2028 16,298.0 195.6
2029 14,661.8 175.9
Thereafter ₨ 193,332.0 $ 2,319.8