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COMMITMENTS AND CONTINGENCIES (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 1 Months Ended 24 Months Ended
May 03, 2015
Aug. 31, 2014
Jan. 30, 2011
Jun. 20, 2012
facility
Jul. 31, 2014
Commitments and contingencies          
Number of branches where the government executed search warrants       2hds_NumberOfBranchesWhereTheGovernmentExecutedSearchWarrants  
Contingent increase in deferred tax asset before valuation allowance $ 12hds_ContingentIncreaseInDeferredTaxAssetBeforeValuationAllowance        
Estimated aggregate potential loss, minimum 0us-gaap_LossContingencyRangeOfPossibleLossMinimum        
Estimated aggregate potential loss, maximum 10us-gaap_LossContingencyRangeOfPossibleLossMaximum        
Home Depot Incorporated          
Commitments and contingencies          
Amount paid in order to stop the accrual of interest on the Tentative Settlement amount   27hds_IncomeTaxExaminationAmountPaidInOrderToStopAccrualOfInterestOnTentativeSettlementAmount
/ dei_LegalEntityAxis
= hds_HomeDepotIncorporatedMember
     
Home Depot Incorporated | IRS          
Commitments and contingencies          
Cash refunds received     354us-gaap_ProceedsFromIncomeTaxRefunds
/ us-gaap_IncomeTaxAuthorityNameAxis
= us-gaap_InternalRevenueServiceIRSMember
/ dei_LegalEntityAxis
= hds_HomeDepotIncorporatedMember
   
Tentative settlement amount         $ 27us-gaap_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority
/ us-gaap_IncomeTaxAuthorityNameAxis
= us-gaap_InternalRevenueServiceIRSMember
/ dei_LegalEntityAxis
= hds_HomeDepotIncorporatedMember