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Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 28, 2018	Dec. 29, 2017	Dec. 28, 2018	Dec. 29, 2017
Disaggregation of Revenue [Line Items]
Revenue, net	$ 4,233	$ 5,336	$ 9,261	$ 10,517
Client Devices
Disaggregation of Revenue [Line Items]
Revenue, net	2,214	2,647	4,864	5,323
Data Center Devices & Solutions
Disaggregation of Revenue [Line Items]
Revenue, net	1,074	1,434	2,520	2,803
Client Solutions
Disaggregation of Revenue [Line Items]
Revenue, net	$ 945	$ 1,255	$ 1,877	$ 2,391
Revenue from Contract with Customer | Americas
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	24.00%	25.00%	25.00%	26.00%
Revenue from Contract with Customer | Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	19.00%	19.00%	18.00%	18.00%
Revenue from Contract with Customer | Asia
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	57.00%	56.00%	57.00%	56.00%
HDD
Disaggregation of Revenue [Line Items]
Revenue, net	$ 2,060	$ 2,694	$ 4,554	$ 5,304
Flash-based
Disaggregation of Revenue [Line Items]
Revenue, net	$ 2,173	$ 2,642	$ 4,707	$ 5,213

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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