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v3.25.2

Goodwill and Intangible Assets - Additional Information (Detail) ₨ in Millions, $ in Millions |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 19, 2024 INR (₨) | Jul. 01, 2023 INR (₨) | Jul. 01, 2023 USD ($) | Mar. 31, 2025 INR (₨) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 INR (₨) | Mar. 31, 2023 INR (₨) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) | Jul. 01, 2023 USD ($)
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets amortization |  |  |  | ₨ 25,237.2 | $ 295.4 | ₨ 21,201.0 | ₨ 0.0 |  |  |
Goodwill written off related to sale of business unit |  |  |  | 0.0 | $ 0.0 | 73,576.1 |  |  |  |
GoodwillI impairment Loss |  |  |  | 0.0 |  |  |  |  |  |
Goodwill |  |  |  | 1,629,510.3 |  | 1,629,510.3 | ₨ 74,937.9 | $ 19,074.2 | $ 19,074.2 |
Erstwhile Centurion Bank Of Punjab [Member] |  |  |  |  |  |  |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | 74,937.9 |  |  |  |  |  |
Erstwhile Housing Development Finance Corporation Limited [Member] |  |  |  |  |  |  |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | 1,554,572.4 |  |  |  |  |  |
eHDFC [Member] |  |  |  |  |  |  |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Goodwill |  | ₨ 1,628,148.5 |  |  |  | 1,628,148.5 |  |  |  | $ 19,058.3
HDFC Credila Financial Services Limited [Member] | eHDFC [Member] |  |  |  |  |  |  |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Goodwill written off related to sale of business unit | ₨ 73,576.1 | ₨ 73,576.1 | $ 861.2 |  |  |  |  |  |  |
Depreciation And Amortization [Member] |  |  |  |  |  |  |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets amortization |  |  |  | ₨ 25,237.2 |  | ₨ 21,201.0 |  |  |  |

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