XML 135 R124.htm IDEA: XBRL DOCUMENT v3.7.0.1

Reconciliation of Beginning and Ending Balance of Unrecognized Tax Benefits (Detail) ₨ in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2017 INR (₨)	Mar. 31, 2017 USD ($)	Mar. 31, 2016 INR (₨)
Income Tax Contingency [Line Items]
Opening balance	₨ 648.3	$ 10.0	₨ 648.3
Increase/(decrease) related to prior year tax positions	0.0	0.0	0.0
Closing balance	₨ 648.3	$ 10.0	₨ 648.3

X

- Definition

Unrecognized Tax Benefits, Increase Decrease Resulting from Prior Period Tax Positions

+ References

No definition available.

+ Details

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

X

- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

+ Details

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Balance Type:	credit
Period Type:	instant