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 |