XML 149 R139.htm IDEA: XBRL DOCUMENT v3.22.2

Information Related to Derivative Amounts Recognized in Income (Detail) ₨ in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2022 INR (₨)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 INR (₨)	Mar. 31, 2020 INR (₨)
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives gain/(loss), net	₨ 1,422.0	$ 18.7	₨ (3,253.0)	₨ 3,550.0
Interest rate derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives gain/(loss), net	3,207.7	42.3	773.9	(2,572.2)
Forward rate agreements
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives gain/(loss), net	1,374.1	18.1	205.9	0.0
Currency options
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives gain/(loss), net	167.3	2.2	1,191.1	585.5
Currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives gain/(loss), net	(1,682.0)	(22.2)	(3,309.2)	3,465.5
Forward exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives gain/(loss), net	₨ (1,645.1)	$ (21.7)	₨ (2,114.7)	₨ 2,071.2

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

X

- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

+ Details

Name:	us-gaap_GainLossOnDerivativeInstrumentsNetPretax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=hdb_ForwardRateAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CurrencySwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeForwardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: