Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 30, 2018	Mar. 31, 2017	Mar. 30, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 61	$ 248	$ (81)	$ 117
Other comprehensive income (loss), before tax:
Actuarial pension gain	1	1	1	7
Foreign currency translation adjustment	76	58	78	(111)
Net unrealized gain (loss) on derivative contracts	21	45	35	(95)
Net unrealized loss on available-for-sale securities	(3)	0	(4)	0
Total other comprehensive income (loss), before tax	95	104	110	(199)
Income tax expense related to items of other comprehensive income (loss), before tax	(3)	(3)	(6)	0
Other comprehensive income (loss), net of tax	92	101	104	(199)
Total comprehensive income (loss)	$ 153	$ 349	$ 23	$ (82)