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v3.20.2

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, 2020 INR (₨) | Mar. 31, 2020 USD ($) | Mar. 31, 2019 INR (₨) | Mar. 31, 2018 INR (₨)
Related Party Transaction [Line Items] |  |  |  |
Interest expense-Deposits | ₨ (169.5) | $ (2.2) | ₨ (192.9) | ₨ (175.5)
Non-Interest Revenue-Fees and Commissions |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction revenues | 20,091.1 | 266.5 | 17,388.0 | 17,556.2
Interest and Dividend Revenue |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction revenues | 1,194.2 | 15.8 | 1,901.7 | 1,529.7
Administrative and other expense |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction non-interest expense | (8,960.4) | (118.9) | (7,680.0) | (6,298.7)
Premises and equipment expense |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction non-interest expense | (35.5) | $ (0.5) | (37.3) | (27.4)
Principal Owner |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Interest expense-Deposits | (85.3) |  | (54.9) | (59.6)
Principal Owner | Non-Interest Revenue-Fees and Commissions |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction revenues | 3,089.4 |  | 2,829.7 | 2,642.7
Principal Owner | Interest and Dividend Revenue |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction revenues | 0.0 |  | 352.0 | 132.8
Principal Owner | Administrative and other expense |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction non-interest expense | (5,840.8) |  | (4,838.3) | (4,031.9)
Principal Owner | Premises and equipment expense |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction non-interest expense | (25.8) |  | (31.2) | (19.8)
Others |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Interest expense-Deposits | (84.2) |  | (138.0) | (115.9)
Others | Non-Interest Revenue-Fees and Commissions |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction revenues | 17,001.7 |  | 14,558.3 | 14,913.5
Others | Interest and Dividend Revenue |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction revenues | 1,194.2 |  | 1,549.7 | 1,396.9
Others | Administrative and other expense |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction non-interest expense | (3,119.6) |  | (2,841.7) | (2,266.8)
Others | Premises and equipment expense |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party transaction non-interest expense | ₨ (9.7) |  | ₨ (6.1) | ₨ (7.6)

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- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
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