XML 109 R98.htm IDEA: XBRL DOCUMENT v3.19.2

Troubled Debt Restructurings that Have Defaulted (Detail) - 12 months ended Mar. 31, 2019 ₨ in Millions, $ in Millions	INR (₨)	USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded investment of defaults	₨ 0.0	$ 0.0
Retail Loans | Retail Business Banking
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded investment of defaults	0.0
Retail Loans | Commercial vehicle and construction equipment finance
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded investment of defaults	0.0
Wholesale loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded investment of defaults	₨ 0.0

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_FinancingReceivableModificationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=hdb_RetailBusinessBankingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=hdb_CommercialVehicleAndConstructionEquipmentFinanceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: