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Goodwill and Intangible assets - Intangible Assets, Net (Parenthetical) (Detail) - 12 months ended Mar. 31, 2025 - Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] - HDFC Credila Financial Services Limited [Member] ₨ in Millions, $ in Millions | INR (₨) | USD ($)
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Brand [Member] |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |
Indefinite lived intangible assets written off related to sale of business unit | ₨ 8,527.5 | $ 99.9
Distribution Service [Member] |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |
Indefinite lived intangible assets written off related to sale of business unit | ₨ 8,972.4 | $ 105.0

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- Definition Finite and indefinite lived intangible assets. + References No definition available. + Details
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- Definition Amount of divestiture of an asset lacking physical substance and having a projected indefinite period of benefit to fair value. Excludes financial assets and goodwill. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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- Details
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