EARNINGS PER SHARE - Schedule of Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 30, 2020	Nov. 01, 2019	Oct. 30, 2020	Nov. 01, 2019
Earnings Per Share [Abstract]
Earnings (loss) per share - basic (in dollars per share)	$ 1.11	$ 0.69	$ 2.73	$ 5.84
Earnings (loss) per share - diluted (in dollars per share)	$ 1.08	$ 0.66	$ 2.64	$ 5.50
Numerator: Continuing operations
Net income attributable to Dell Technologies — basic	$ 832	$ 499	$ 2,023	$ 4,208
Incremental dilution from VMware	(3)	(6)	(8)	(81)
Net income (loss) - diluted	$ 829	$ 493	$ 2,015	$ 4,127
Denominator: weighted-average shares outstanding
Weighted-average shares outstanding - basic (in shares)	747	725	742	720
Dilutive effect of options, restricted stock units, restricted stock, and other (in shares)	24	25	22	30
Weighted-average shares outstanding - diluted (in shares)	771	750	764	750
Weighted-average shares outstanding - antidilutive (in shares)	0	0	1	0