CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Dec. 29, 2017	Dec. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 139	$ 177	$ 300	$ 337
Other comprehensive income (loss):
Foreign currency translation gain (loss), net of income taxes	(4)	(26)	21	(29)
Net unrealized gain (loss) on hedging derivatives, net of income taxes	0	(1)	1	(1)
Net unrecognized gain on postretirement obligations, net of income taxes	0	1	0	2
Other comprehensive income (loss), net of income taxes	(4)	(26)	22	(28)
Total comprehensive income	$ 135	$ 151	$ 322	$ 309