Property, Plant and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 30, 2018	Mar. 31, 2017	Mar. 30, 2018	Mar. 31, 2017	Jun. 30, 2017
Property, Plant and Equipment
Land	$ 43		$ 43		$ 43
Software capitalized for internal use	168		168		155
Buildings	617		617		617
Machinery and equipment	1,311		1,311		1,256
Property, plant and equipment, gross	2,139		2,139		2,071
Less accumulated depreciation and amortization	(1,260)		(1,260)		(1,167)
Property, plant and equipment	879		879		$ 904
Depreciation and amortization expense related to property, plant and equipment	$ 33	$ 35	$ 106	$ 109