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GOODWILL AND INTANGIBLE ASSETS - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 02, 2018	Nov. 03, 2017	Nov. 02, 2018	Nov. 03, 2017	Feb. 02, 2018	Apr. 29, 2016
Goodwill [Line Items]
Payments to acquire businesses, net			$ 493	$ 223
Goodwill acquired			394
Goodwill	$ 39,651		39,651		$ 39,920
Goodwill impaired			190
Amortization expense related to definite-lived intangible assets	1,500	$ 1,700	4,600	$ 5,300
Impairment charges related to intangible assets acquired	0	$ 0
VMware
Goodwill [Line Items]
Goodwill acquired			394
CloudHealth Technologies \| VMware
Goodwill [Line Items]
Payments to acquire businesses, net	495
Cash acquired from acquisition	26
Identifiable intangible assets acquired	101		101
Goodwill	394		394
Operating Segments \| VMware
Goodwill [Line Items]
Goodwill	16,027		16,027		15,635
Goodwill impaired			0
Operating Segments \| Infrastructure Solutions Group
Goodwill [Line Items]
Goodwill acquired			0
Goodwill	15,158		15,158		15,953
Goodwill impaired			0
Operating Segments \| Other Businesses
Goodwill [Line Items]
Goodwill acquired			0
Goodwill	4,229		4,229		$ 4,095
Goodwill impaired			190
Virtustream \| Other Businesses
Goodwill [Line Items]
Goodwill	205		$ 205			$ 400
Goodwill impaired	190
Goodwill, period increase (decrease)	$ (190)
RSA Security \| Other Businesses
Goodwill [Line Items]
Percentage of fair value over carrying amount	11.00%		11.00%