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FAIR VALUE MEASUREMENTS (Details) (USD $)
In Millions, unless otherwise specified
May 03, 2015
Feb. 01, 2015
Fair value measurements    
Recorded Amount $ 5,374us-gaap_DebtInstrumentCarryingAmount $ 5,271us-gaap_DebtInstrumentCarryingAmount
Estimated Fair Value 5,783us-gaap_LongTermDebtFairValue 5,599us-gaap_LongTermDebtFairValue
Asset Based Lending Facility    
Fair value measurements    
Recorded Amount 215us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= hds_AssetBasedLendingFacilityMember		 96us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= hds_AssetBasedLendingFacilityMember
Estimated Fair Value 211us-gaap_LongTermDebtFairValue
/ us-gaap_DebtInstrumentAxis
= hds_AssetBasedLendingFacilityMember		 95us-gaap_LongTermDebtFairValue
/ us-gaap_DebtInstrumentAxis
= hds_AssetBasedLendingFacilityMember
Term Loans and Notes    
Fair value measurements    
Recorded Amount 5,159us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= hds_DebtExcludingCreditFacilityMember		 5,175us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= hds_DebtExcludingCreditFacilityMember
Estimated Fair Value $ 5,572us-gaap_LongTermDebtFairValue
/ us-gaap_DebtInstrumentAxis
= hds_DebtExcludingCreditFacilityMember		 $ 5,504us-gaap_LongTermDebtFairValue
/ us-gaap_DebtInstrumentAxis
= hds_DebtExcludingCreditFacilityMember