XML 91 R82.htm IDEA: XBRL DOCUMENT
v3.25.2

Business Combination - Goodwill Recorded as a Result of the Acquisition to the Bank's Reportable Segments (Detail) ₨ in Millions, $ in Millions | Mar. 31, 2025 INR (₨) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 INR (₨) | Mar. 31, 2024 USD ($) | Jul. 01, 2023 INR (₨) | Jul. 01, 2023 USD ($) | Mar. 31, 2023 INR (₨)
--- | --- | --- | --- | --- | --- | --- | ---
Business Combination Segment Allocation [Line Items] |  |  |  |  |  |  |
Goodwill | ₨ 1,629,510.3 | $ 19,074.2 | ₨ 1,629,510.3 | $ 19,074.2 |  |  | ₨ 74,937.9
Retail Banking [Member] |  |  |  |  |  |  |
Business Combination Segment Allocation [Line Items] |  |  |  |  |  |  |
Goodwill | 443,017.5 |  | 443,017.5 |  |  |  | 74,937.9
Wholesale Banking [Member] |  |  |  |  |  |  |
Business Combination Segment Allocation [Line Items] |  |  |  |  |  |  |
Goodwill | 71,617.3 |  | 71,617.3 |  |  |  | 0.0
Insurance Services [Member] |  |  |  |  |  |  |
Business Combination Segment Allocation [Line Items] |  |  |  |  |  |  |
Goodwill | 959,080.0 |  | 959,080.0 |  |  |  | 0.0
Others [Member] |  |  |  |  |  |  |
Business Combination Segment Allocation [Line Items] |  |  |  |  |  |  |
Goodwill | ₨ 155,795.5 |  | 155,795.5 |  |  |  | ₨ 0.0
eHDFC [Member] |  |  |  |  |  |  |
Business Combination Segment Allocation [Line Items] |  |  |  |  |  |  |
Goodwill |  |  | ₨ 1,628,148.5 |  | ₨ 1,628,148.5 | $ 19,058.3 |
eHDFC [Member] | Retail Banking [Member] |  |  |  |  |  |  |
Business Combination Segment Allocation [Line Items] |  |  |  |  |  |  |
Goodwill |  |  |  |  | 368,079.6 | 4,308.6 |
eHDFC [Member] | Wholesale Banking [Member] |  |  |  |  |  |  |
Business Combination Segment Allocation [Line Items] |  |  |  |  |  |  |
Goodwill |  |  |  |  | 71,617.3 | 838.3 |
eHDFC [Member] | Insurance Services [Member] |  |  |  |  |  |  |
Business Combination Segment Allocation [Line Items] |  |  |  |  |  |  |
Goodwill |  |  |  |  | 959,080.0 | 11,226.5 |
eHDFC [Member] | Others [Member] |  |  |  |  |  |  |
Business Combination Segment Allocation [Line Items] |  |  |  |  |  |  |
Goodwill |  |  |  |  | ₨ 229,371.6 | $ 2,684.9 |

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

X
- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 49 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-49 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482548/350-20-55-24 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(15)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482598/350-20-45-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hdb_RetailBankingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hdb_WholesaleBankingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hdb_InsuranceServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=hdb_HousingDevelopmentFinanceCorporationLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |