Document and Entity Information - USD ($) $ in Billions	12 Months Ended
	Feb. 01, 2019	Mar. 25, 2019	Aug. 03, 2018
Entity Information [Line Items]
Entity Registrant Name	Dell Technologies Inc.
Entity Central Index Key	0001571996
Current Fiscal Year End Date	--02-01
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Document Type	10-K
Document Period End Date	Feb. 01, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q4
Amendment Flag	false
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 18.6
Entity Common Stock, Shares Outstanding - Class A
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		408,550,736
Entity Common Stock, Shares Outstanding - Class B
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		136,986,858
Entity Common Stock, Shares Outstanding - Class C
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		172,991,600