XML 157 R144.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Plan Investment Assets for Gratuity Funds and Pension Fund Measured at Fair Value by Level and in Total (Detail) ₨ in Millions, $ in Millions | Mar. 31, 2016 INR (₨) | Mar. 31, 2016 USD ($) | Mar. 31, 2015 INR (₨)
--- | --- | --- | ---
Fair Value Measurements Using Quoted Prices In Active Markets for Identical Assets (Level 1) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | ₨ 73.3 | $ 1.1 | ₨ 99.0
Fair Value Measurements Using Quoted Prices In Active Markets for Identical Assets (Level 1) | Funds managed by insurance company (1) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 0.0 |  | 0.0
Fair Value Measurements Using Quoted Prices In Active Markets for Identical Assets (Level 1) | Funds managed by insurance company (2) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 0.0 |  | 0.0
Fair Value Measurements Using Quoted Prices In Active Markets for Identical Assets (Level 1) | Funds managed by trust | Government of India securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 0.0 |  | 0.0
Fair Value Measurements Using Quoted Prices In Active Markets for Identical Assets (Level 1) | Funds managed by trust | Debenture and bonds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 0.0 |  | 0.0
Fair Value Measurements Using Quoted Prices In Active Markets for Identical Assets (Level 1) | Funds managed by trust | Other |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 73.3 |  | 99.0
Fair Value Measurements Using Significant other observable inputs (Level 2) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 2,758.6 | 41.6 | 2,259.7
Fair Value Measurements Using Significant other observable inputs (Level 2) | Funds managed by insurance company (1) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 0.0 |  | 0.0
Fair Value Measurements Using Significant other observable inputs (Level 2) | Funds managed by insurance company (2) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 2,202.1 |  | 1,688.6
Fair Value Measurements Using Significant other observable inputs (Level 2) | Funds managed by trust | Government of India securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 112.1 |  | 130.2
Fair Value Measurements Using Significant other observable inputs (Level 2) | Funds managed by trust | Debenture and bonds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 444.4 |  | 440.9
Fair Value Measurements Using Significant other observable inputs (Level 2) | Funds managed by trust | Other |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 0.0 |  | 0.0
Fair Value Measurements Using Significant unobservable inputs (Level 3) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 431.2 | $ 6.5 | 489.2
Fair Value Measurements Using Significant unobservable inputs (Level 3) | Funds managed by insurance company (1) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 431.2 |  | 489.2
Fair Value Measurements Using Significant unobservable inputs (Level 3) | Funds managed by insurance company (2) |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 0.0 |  | 0.0
Fair Value Measurements Using Significant unobservable inputs (Level 3) | Funds managed by trust | Government of India securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 0.0 |  | 0.0
Fair Value Measurements Using Significant unobservable inputs (Level 3) | Funds managed by trust | Debenture and bonds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | 0.0 |  | 0.0
Fair Value Measurements Using Significant unobservable inputs (Level 3) | Funds managed by trust | Other |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan investment assets at fair value | ₨ 0.0 |  | ₨ 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_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=64937038&loc=d3e12355-114930 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Assets -URI http://asc.fasb.org/extlink&oid=6749337 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Assets -URI http://asc.fasb.org/extlink&oid=6520858 + Details
Name: | us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=hdb_FundsManagedByCompanyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=hdb_FundsManagedByCompanyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=hdb_FundsManagedByTrustMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=hdb_GovernmentOfIndiaSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=hdb_DebentureAndBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=hdb_OtherFundsManagedByTrustMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |