Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 04, 2019	Sep. 28, 2018
Disaggregation of Revenue [Line Items]
Revenue, net	$ 4,040	$ 5,028
Americas
Disaggregation of Revenue [Line Items]
Revenue, net	1,313	1,281
Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Revenue, net	779	884
Asia
Disaggregation of Revenue [Line Items]
Revenue, net	1,948	2,863
Client Devices
Disaggregation of Revenue [Line Items]
Revenue, net	1,616	2,650
Data Center Devices & Solutions
Disaggregation of Revenue [Line Items]
Revenue, net	1,532	1,446
Client Solutions
Disaggregation of Revenue [Line Items]
Revenue, net	892	932
HDD
Disaggregation of Revenue [Line Items]
Revenue, net	2,408	2,494
Flash-based
Disaggregation of Revenue [Line Items]
Revenue, net	$ 1,632	$ 2,534