EARNINGS PER SHARE - Reconciliation of Net Income (Loss) From Continuing Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 29, 2021	Jan. 31, 2020	Feb. 01, 2019
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income attributable to Dell Technologies Inc.	$ 3,250	$ 4,616	$ (2,310)
Class V Common Stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income attributable to Dell Technologies Inc.			1,195
DHI Group
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income attributable to Dell Technologies Inc.			$ (3,505)