XML 124 R114.htm IDEA: XBRL DOCUMENT
v3.21.2

Non-Interest Revenue - Summary of Disaggregation of Revenue (Detail) ₨ in Millions, $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2021 INR (₨) | Mar. 31, 2021 USD ($) | Mar. 31, 2020 INR (₨) | Mar. 31, 2019 INR (₨)
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | ₨ 165,410.4 | $ 2,261.6 | ₨ 160,099.5 | ₨ 134,155.2
Deposit Related Fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 28,150.4 | 384.9 | 29,031.9 | 25,383.0
Lending related fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 30,973.1 | 423.5 | 30,699.9 | 30,176.2
Third-party products related fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 35,733.0 | 488.6 | 28,169.6 | 22,000.4
Payments and cards business fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | 50,758.2 | 694.0 | 58,899.3 | 47,012.4
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Fees and commissions | ₨ 19,795.7 | $ 270.6 | ₨ 13,298.8 | ₨ 9,583.2

X
- Definition Amount of fees and commissions from financial services and banking activities and correspondent clearing. including fees from credit cards, merchant discounts, and administrative fees. + References No definition available. + Details
Name: | hdb_FeesAndCommission
Namespace Prefix: | hdb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=hdb_DepositRelatedFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=hdb_LendingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=hdb_ThirdPartyProductsRelatedFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_CreditAndDebitCardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=hdb_OthersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |