Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 02, 2020	Oct. 04, 2019
Disaggregation of Revenue [Line Items]
Revenue, net	$ 3,922	$ 4,040
Americas
Disaggregation of Revenue [Line Items]
Revenue, net	1,079	1,313
Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Revenue, net	629	779
Asia
Disaggregation of Revenue [Line Items]
Revenue, net	2,214	1,948
Client Devices
Disaggregation of Revenue [Line Items]
Revenue, net	1,946	1,616
Data Center Devices & Solutions
Disaggregation of Revenue [Line Items]
Revenue, net	1,129	1,532
Client Solutions
Disaggregation of Revenue [Line Items]
Revenue, net	847	892
Hard disk drives (“HDD”)
Disaggregation of Revenue [Line Items]
Revenue, net	1,844	2,408
Flash-based
Disaggregation of Revenue [Line Items]
Revenue, net	$ 2,078	$ 1,632