Other Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jul. 01, 2011	Jul. 02, 2010	Jul. 03, 2009
Other Intangible Assets
Gross Carrying Amount	$ 133	$ 133
Accumulated Amortization	62	45
Other intangible assets, net	71	88
Other intangible assets (Textuals) [Abstract]
Company acquired intangible asset in Hoya acquisition		11
Amortization expense for intangible assets	17	12	11
Estimated future amortization in, 2012	16
Estimated future amortization in, 2013	13
Estimated future amortization in, 2014	13
Estimated future amortization in, 2015	12
Estimated future amortization in, 2016	9
Existing technology [Member]
Other Intangible Assets
Weighted Average Amortization Period	9	9
Gross Carrying Amount	127	127
Accumulated Amortization	59	45
Other intangible assets, net	68	82
Supply agreement [Member]
Other Intangible Assets
Weighted Average Amortization Period	2	2
Gross Carrying Amount	6	6
Accumulated Amortization	3
Other intangible assets, net	$ 3	$ 6