CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) - 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	$ 201	$ 85	$ 501	$ 422
Other comprehensive income (loss):
Foreign currency translation gain (loss), net of income taxes	5	10	26	(19)
Net unrealized gain on hedging derivatives, net of income taxes	0	1	1	0
Net unrecognized gain on postretirement obligations, net of income taxes	0	0	0	2
Other comprehensive income (loss), net of income taxes	5	11	27	(17)
Total comprehensive income	$ 206	$ 96	$ 528	$ 405