Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended
	Mar. 29, 2013	Mar. 30, 2012	Apr. 01, 2011
Net foreign currency transaction losses	$ (6,000,000)	$ (6,000,000)	$ (29,000,000)
Rebate reserves	79,000,000	73,000,000
Maximum borrowing capacity under revolving loans	1,000,000,000
Deferred cost of revenue	15,000,000	20,000,000
Finished goods	11,000,000	11,000,000
Depreciation	283,000,000	273,000,000	257,000,000
Advertising costs included in sales and marketing sales	594,000,000	667,000,000	668,000,000
Cost Method Investments In Privately Held Companies [Member]
Cost method investment in privately-held companies	$ 14,000,000	$ 40,000,000
Minimum [Member]
Property, plant, equipment useful life	3 years
Maximum [Member]
Property, plant, equipment useful life	5 years
Building [Member] | Minimum [Member]
Property, plant, equipment useful life	20 years
Building [Member] | Maximum [Member]
Property, plant, equipment useful life	30 years
Finite Intangibles [Member] | Minimum [Member]
Useful lives of intangible assets	1 year
Finite Intangibles [Member] | Maximum [Member]
Useful lives of intangible assets	11 years
Stock Options [Member]
Expected dividend rate	0.00%
PRUs [Member]
Expected dividend rate	0.00%
PCSUs [Member]
Expected dividend rate	0.00%