LEASES - Components of Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2020	Aug. 02, 2019	Jul. 31, 2020	Aug. 02, 2019
Operating lease expense:
Operating lease costs	$ 124	$ 126	$ 255	$ 243
Variable costs	32	41	76	79
Total lease costs	$ 156	$ 167	$ 331	$ 322