Condensed Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Apr. 01, 2016	Mar. 31, 2017	Apr. 01, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 85	$ 168	$ 422	$ 164
Other comprehensive income (loss):
Foreign currency translation gain (loss), net of income taxes	10	(5)	(19)	(52)
Net unrealized gain on hedging derivatives, net of income taxes	1	0	0	1
Net unrecognized gain (loss) on postretirement obligations, net of income taxes	0	1	2	(3)
Other comprehensive income (loss), net of income taxes	11	(4)	(17)	(54)
Total comprehensive income	$ 96	$ 164	$ 405	$ 110