Condensed Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 01, 2016	Jan. 02, 2015	Jan. 01, 2016	Jan. 02, 2015
Statement of Income and Comprehensive Income [Abstract]
Net income (loss)	$ (152)	$ 139	$ (4)	$ 264
Other comprehensive loss:
Foreign currency translation loss, net of income taxes	(15)	(45)	(47)	(74)
Net unrealized gain (loss) on hedging derivatives, net of income taxes	1	0	1	(1)
Net unrecogonized gain (loss) on postretirement obligations, net of income taxes	(4)	3	(4)	12
Other comprehensive loss, net of income taxes	(18)	(42)	(50)	(63)
Total comprehensive income (loss)	$ (170)	$ 97	$ (54)	$ 201