Goodwill And Intangible Assets (Schedule Of Intangible Assets, Net) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 28, 2014		Mar. 29, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,496	[1]	$ 2,977	[1]
Accumulated Amortization	(728)	[1]	(2,000)	[1]
Net Carrying Amount	768		977
Weighted average estimated useful life (in years)	3 years		2 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	766	[1]	2,157	[1]
Accumulated Amortization	(469)	[1]	(1,718)	[1]
Net Carrying Amount	297		439
Weighted average estimated useful life (in years)	3 years		2 years
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	287	[1]	377	[1]
Accumulated Amortization	(142)	[1]	(180)	[1]
Net Carrying Amount	145		197
Weighted average estimated useful life (in years)	4 years		4 years
Finite-Lived Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	125	[1]	125	[1]
Accumulated Amortization	(103)	[1]	(89)	[1]
Net Carrying Amount	22		36
Weighted average estimated useful life (in years)	2 years		2 years
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	21	[1]	21	[1]
Accumulated Amortization	(14)	[1]	(13)	[1]
Net Carrying Amount	7		8
Weighted average estimated useful life (in years)	4 years		5 years
Indefinite-Lived Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	297	[1],[2]	297	[1],[2]
Net Carrying Amount	$ 297	[2]	$ 297	[2]

[1] Certain intangible assets from prior acquisitions primarily related to Veritas, were removed as they were fully amortized at the end of the fiscal 2014, in accordance with our current policy.

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