INCOME TAXES - Windfall Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 31, 2016	Feb. 01, 2015
INCOME TAXES
Windfall not reflected in deferred tax assets	$ 48	$ 16

Represents the amount of windfall benefits not reflected in deferred tax assets for the period.

No definition available.

Name:	hds_DeferredTaxAssetsWindfallBenefitsNotIncludedAmount
Namespace Prefix:	hds_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration