ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Reclassifications Out of Accumulated Other Comprehensive Income (Loss), Net of Tax, to Net Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Jan. 31, 2020	Nov. 01, 2019	Aug. 02, 2019	May 03, 2019	Feb. 01, 2019	Nov. 02, 2018	Aug. 03, 2018	May 04, 2018	Jan. 31, 2020	Feb. 01, 2019	Feb. 02, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net revenue	$ 24,032	$ 22,844	$ 23,370	$ 21,908	$ 23,841	$ 22,482	$ 22,942	$ 21,356	$ 92,154	$ 90,621	$ 79,040
Operating expenses									26,311	25,244	22,953
Interest and other, net									(2,626)	(2,170)	(2,353)
Total reclassifications, net of tax									5,529	(2,181)	$ (2,926)
Total reclassifications, net of tax
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net revenue									226	225
Operating expenses									(1)	0
Interest and other, net									0	(43)
Total reclassifications, net of tax									225	182
Total reclassifications, net of tax | Pension
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net revenue									0	0
Operating expenses									(1)	0
Interest and other, net									0	0
Total reclassifications, net of tax									(1)	0
Total reclassifications, net of tax | Investments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net revenue									0	0
Operating expenses									0	0
Interest and other, net									0	(43)
Total reclassifications, net of tax									0	(43)
Total reclassifications, net of tax | Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net revenue									226	225
Operating expenses									0	0
Interest and other, net									0	0
Total reclassifications, net of tax									$ 226	$ 225