Goodwill And Intangible Assets (Schedule Of Intangible Assets, Net) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 29, 2013		Mar. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 4,591		$ 4,651
Accumulated Amortization	(3,614)		(3,314)
Net Carrying Amount	977		1,337
Weighted average estimated useful life (in years)	2 years		3 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,205		2,219
Accumulated Amortization	(1,766)		(1,499)
Net Carrying Amount	439		720
Weighted average estimated useful life (in years)	2 years		3 years
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,917		1,914
Accumulated Amortization	(1,720)		(1,654)
Net Carrying Amount	197		260
Weighted average estimated useful life (in years)	4 years		4 years
Finite-Lived Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	146		146
Accumulated Amortization	(110)		(96)
Net Carrying Amount	36		50
Weighted average estimated useful life (in years)	2 years		3 years
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	26		75
Accumulated Amortization	(18)		(65)
Net Carrying Amount	8		10
Weighted average estimated useful life (in years)	5 years		6 years
Indefinite-Lived Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	297	[1]	297	[1]
Net Carrying Amount	$ 297	[1]	$ 297	[1]

[1] See Note 2 for information regarding impairment charges.