Property, Plant and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Dec. 29, 2017	Dec. 30, 2016	Jun. 30, 2017
Property, Plant and Equipment
Land	$ 43		$ 43		$ 43
Software capitalized for internal use	163		163		155
Buildings	612		612		617
Machinery and equipment	1,290		1,290		1,256
Property, plant and equipment, gross	2,108		2,108		2,071
Less accumulated depreciation and amortization	(1,230)		(1,230)		(1,167)
Property, plant and equipment	878		878		$ 904
Depreciation and amortization expense related to property, plant and equipment	$ 36	$ 35	$ 73	$ 74