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v3.25.2

Stock - RSUs outstanding, Employees Stock Incentive Master Scheme (Parenthetical) (Detail) - Mar. 31, 2025 | ₨ / shares | $ / shares
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Restricted Stock Units (RSUs) [Member] | Employee Stock Incentive Master Scheme Two Thousand And Twenty Two |  |
Share Based Payment Arrangement Equity Instruments Other Than Options Exercise Price Range [Line Items] |  |
Share based compensation by share based award equity instruments other than options exercise price per share lower limit | (per share) | ₨ 1 | $ 0

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- Definition Share Based Compensation By Share Based Award Equity Instruments Other Than Options Exercise Price Per Share Lower Limit + References No definition available. + Details
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- Definition Share based payment arrangement equity instruments other than options exercise price range. + References No definition available. + Details
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Namespace Prefix: | hdb_
Data Type: | xbrli:stringItemType
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |