COMMITMENTS AND CONTINGENCIES - Internal Revenue Service (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended		24 Months Ended
	Aug. 31, 2014	Jan. 31, 2016	Feb. 01, 2015	Jan. 30, 2011	Jul. 31, 2014
Internal Revenue Service
Amount paid in order to stop the accrual of interest on the Tentative Settlement amount			$ 27
Contingent increase in deferred tax asset before valuation allowance		$ 12
Minimum amount of refund requires review by Joint Committee On Taxation		$ 2
IRS
Internal Revenue Service
Tentative settlement amount					$ 27
Home Depot Incorporated
Internal Revenue Service
Amount paid in order to stop the accrual of interest on the Tentative Settlement amount	$ 27
Home Depot Incorporated | IRS
Internal Revenue Service
Cash refunds received				$ 354