NON-CONTROLLING INTERESTS - Effect of Changes in Ownership Interests of Less than Wholly Owned Subsidiaries (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 30, 2020	Nov. 01, 2019	Oct. 30, 2020	Nov. 01, 2019
Noncontrolling Interest [Abstract]
Net income attributable to Dell Technologies Inc.	$ 832	$ 499	$ 2,023	$ 4,208
Transfers (to)/from the non-controlling interests:
Increase in Dell Technologies Inc. additional paid-in-capital for equity issuances and other equity activity			774
Decrease in Dell Technologies Inc. additional paid-in-capital for equity issuances and other equity activity			(704)
Net transfers to non-controlling interests			70
Change from net income attributable to Dell Technologies Inc. and transfers to the non-controlling interests			$ 2,093