Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Apr. 01, 2016	Mar. 31, 2017	Apr. 01, 2016
Statement Of Other Comprehensive Income Loss [Abstract]
Net income	$ 248	$ 74	$ 117	$ 608
Other comprehensive income (loss), net of tax:
Actuarial pension gain	1	0	7	0
Foreign currency translation adjustment	58	0	(111)	0
Net unrealized gain (loss) on foreign exchange contracts	45	39	(95)	52
Net unrealized gain on available-for-sale securities		0		0
Total other comprehensive income (loss), before tax	104	39	(199)	52
Income tax benefit (expense) related to items of other comprehensive income (loss)	(3)	0	0	0
Other comprehensive income (loss), net of tax	101	39	(199)	52
Total comprehensive income (loss)	$ 349	$ 113	$ (82)	$ 660