INCOME AND OTHER TAXES - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jan. 31, 2020	Feb. 01, 2019	Feb. 02, 2018
Operating Loss Carryforwards [Line Items]
Income tax benefit	$ 5,533	$ 180	$ 1,843
Loss before income taxes	(4)	(2,361)	(4,769)
Loss before income taxes	(4)	(2,361)	(4,769)
Discrete tax benefit from intra-entity asset transfer	4,900
Provisional benefit			500
Tax benefit related to the remeasurement of deferred tax assets and liabilities			1,500
Current and future income tax expenses related to the Transition Tax			1,000
Discrete tax benefit relating to virtustream impairment charges	95
Discrete tax benefit from adoption of revenue standard		154
Discrete tax benefit from share-based Payment	351
Discrete tax benefit from settlement	305
Undistributed earnings of foreign subsidiaries	34,100
Unrecognized tax benefits	2,500	3,400	3,200
Unrecognized tax benefits that would impact income tax expense	2,000	2,400	2,200
Accrued interest and penalties	800	1,000	900
Interest and state tax deductions	629	611	537
Interest and penalties expense	174	127	184
Minimum
Operating Loss Carryforwards [Line Items]
Decrease in unrecognized tax benefits	550
Maximum
Operating Loss Carryforwards [Line Items]
Decrease in unrecognized tax benefits	850
Internal Revenue Service (IRS)
Operating Loss Carryforwards [Line Items]
Settlement amount	438
Foreign countries
Operating Loss Carryforwards [Line Items]
Tax holiday, aggregate amount	$ 444	$ 313	$ 238
Tax holiday, benefits per share (in dollars per share)	$ 0.59	$ 0.54	$ 0.42
Tax Credit Carryforward
Operating Loss Carryforwards [Line Items]
Valuation allowance against assets included in U.S. Tax Reform effect		$ 634