v3.25.2
Income Taxes - Reconciliation of Beginning and Ending Balance of Unrecognized Tax Benefits (Detail)
₨ in Millions, $ in Millions
12 Months Ended
Mar. 31, 2025
INR (₨)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
INR (₨)
Mar. 31, 2023
INR (₨)
Income Tax Contingency [Line Items]        
Opening balance ₨ 22,042.3 $ 258.0 ₨ 48,792.1 ₨ 46,774.3
Increase related to acquisition of eHDFC 0.0 0.0 52,980.5 0.0
Decrease related to prior year tax positions (16,515.6) (193.3) (80,874.4) 0.0
Increase related to current year tax positions 1,190.6 13.9 1,144.1 2,017.8
Closing balance ₨ 6,717.3 $ 78.6 ₨ 22,042.3 ₨ 48,792.1