XML 99 R87.htm IDEA: XBRL DOCUMENT v3.20.2

Loan Delinquency and Non-Accrual Loans (Parenthetical) (Detail) ₨ in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2020 INR (₨)	Mar. 31, 2019 INR (₨)	Mar. 31, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	₨ 10,623,855.6	₨ 9,111,464.6	$ 140,918.6
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of days past due up to which loans considered current	30 days	30 days
Number of past days less than to which Crop Related Agricultural loans are not considered as impaired	366 days	366 days
Agricultural Loan | Not Impaired or Less Than 366 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	₨ 39,000.0	₨ 34,000.0

X

- Definition

Past due period up to which crop related agricultural loans considered current.

+ References

No definition available.

+ Details

Name:	hdb_CropRelatedAgriculturalLoansCurrent
Namespace Prefix:	hdb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Past due period up to which loans other than crop related agricultural loans considered current.

+ References

No definition available.

+ Details

Name:	hdb_LoansCurrentPeriod
Namespace Prefix:	hdb_
Data Type:	xbrli:durationItemType
Balance Type:	na
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_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524

+ Details

Name:	us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=hdb_FinancingReceivableNotImpairedOrLessThanThreeHundredAndSixtySixDaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: