CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2020	Aug. 02, 2019	Jul. 31, 2020	Aug. 02, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 1,099	$ 4,232	$ 1,281	$ 4,561
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments	410	(78)	264	(236)
Cash flow hedges:
Change in unrealized gains (losses)	(257)	105	(90)	257
Reclassification adjustment for net gains included in net income	(8)	(68)	(108)	(126)
Net change in cash flow hedges	(265)	37	(198)	131
Pension and other postretirement plans:
Recognition of actuarial net gains (losses) from pension and other postretirement plans	(15)	1	(22)	8
Reclassification adjustments for net losses from pension and other postretirement plans	2	0	4	0
Net change in actuarial net gains (losses) from pension and other postretirement plans	(13)	1	(18)	8
Total other comprehensive income (loss), net of tax expense (benefit) of $(22) and $0, respectively, and $(12) and $7, respectively	132	(40)	48	(97)
Comprehensive income, net of tax	1,231	4,192	1,329	4,464
Less: Net income attributable to non-controlling interests	51	816	90	852
Less: Other comprehensive income (loss) attributable to non-controlling interests	2	0	(1)	1
Comprehensive income attributable to Dell Technologies Inc.	$ 1,178	$ 3,376	$ 1,240	$ 3,611