Condensed Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Sep. 29, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 161	$ 160
Other comprehensive income (loss):
Foreign currency translation gain (loss), net of income taxes	25	(3)
Net unrealized gain on hedging derivatives, net of income taxes	1	0
Net unrecognized gain on postretirement obligations, net of income taxes	0	1
Other comprehensive income (loss), net of income taxes	26	(2)
Total comprehensive income	$ 187	$ 158