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v3.22.2

Significant Transactions with Related Parties Included in Determination of Net Income (Detail) ₨ in Millions, $ in Millions | 12 Months Ended
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Mar. 31, 2022 INR (₨) | Mar. 31, 2022 USD ($) | Mar. 31, 2021 INR (₨) | Mar. 31, 2020 INR (₨)
Related Party Transaction [Line Items] |  |  |  |
Interest expense-Deposits | ₨ (286.5) | $ (3.8) | ₨ (279.3) | ₨ (169.5)
Non-Interest Revenue-Fees and Commissions |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction revenues | 27,578.8 | 363.5 | 23,048.1 | 20,091.1
Interest and Dividend Revenue |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction revenues | 0.1 | 0.0 | 552.5 | 1,194.2
Administrative and other expense |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction non-interest expense | (11,741.3) | (154.8) | (8,730.7) | (8,960.4)
Premises and equipment expense |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction non-interest expense | (19.2) | $ (0.3) | (29.5) | (35.5)
Principal Owner |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Interest expense-Deposits | (204.3) |  | (108.0) | (85.3)
Principal Owner | Non-Interest Revenue-Fees and Commissions |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction revenues | 4,639.3 |  | 3,246.5 | 3,089.4
Principal Owner | Interest and Dividend Revenue |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction revenues | 0.0 |  | 0.0 | 0.0
Principal Owner | Administrative and other expense |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction non-interest expense | (7,182.4) |  | (5,874.4) | (5,840.8)
Principal Owner | Premises and equipment expense |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction non-interest expense | (19.2) |  | (24.3) | (25.8)
Others |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Interest expense-Deposits | (82.2) |  | (171.3) | (84.2)
Others | Non-Interest Revenue-Fees and Commissions |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction revenues | 22,939.5 |  | 19,801.6 | 17,001.7
Others | Interest and Dividend Revenue |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction revenues | 0.1 |  | 552.5 | 1,194.2
Others | Administrative and other expense |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction non-interest expense | (4,558.9) |  | (2,856.3) | (3,119.6)
Others | Premises and equipment expense |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction non-interest expense | ₨ 0.0 |  | ₨ (5.2) | ₨ (9.7)

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