Supplemental Financial Statement Data - Accumulated Other Comprehensive Income Roll Forward (Details) $ in Millions	3 Months Ended
	Sep. 28, 2018 USD ($)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	$ 11,531
Ending Balance	11,375
Actuarial Pension Gains (Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(19)
Other comprehensive loss before reclassifications	0
Amounts reclassified from accumulated other comprehensive loss	0
Income tax benefit related to items of other comprehensive loss	0
Net current-period other comprehensive loss	0
Ending Balance	(19)
Foreign Currency Translation Gains (Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(21)
Other comprehensive loss before reclassifications	(37)
Amounts reclassified from accumulated other comprehensive loss	0
Income tax benefit related to items of other comprehensive loss	0
Net current-period other comprehensive loss	(37)
Ending Balance	(58)
Unrealized Gains (Losses) on Derivative Contracts and Available for Sale Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	1
Other comprehensive loss before reclassifications	(6)
Amounts reclassified from accumulated other comprehensive loss	5
Income tax benefit related to items of other comprehensive loss	1
Net current-period other comprehensive loss	0
Ending Balance	1
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(39)
Other comprehensive loss before reclassifications	(43)
Amounts reclassified from accumulated other comprehensive loss	5
Income tax benefit related to items of other comprehensive loss	1
Net current-period other comprehensive loss	(37)
Ending Balance	$ (76)