EARNINGS PER SHARE - Schedule of Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	May 01, 2020	May 03, 2019
Earnings per share attributable to Dell Technologies Inc.
Earnings (loss) per share - basic (in dollars per share)	$ 0.19	$ 0.41
Earnings (loss) per share attributable to Dell Technologies Inc. - diluted:
Earnings (loss) per share - diluted (in dollars per share)	$ 0.19	$ 0.38
Numerator: Continuing operations
Net income attributable to Dell Technologies — basic	$ 143	$ 293
Incremental dilution from VMware	(2)	(8)
Net income (loss) - diluted	$ 141	$ 285
Denominator: weighted-average shares outstanding
Weighted-average shares outstanding - basic (in shares)	740	717
Dilutive effect of options, restricted stock units, restricted stock, and other (in shares)	15	34
Weighted-average shares outstanding - diluted (in shares)	755	751
Weighted-average shares outstanding - antidilutive (in shares)	8	6