Goodwill And Intangible Assets (Schedule Of Intangible Assets, Net) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
	Oct. 03, 2014	Mar. 28, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,483	$ 1,496
Accumulated Amortization	(793)	(728)
Net Carrying Amount	690	768	[1]
Weighted Average Remaining Useful Life	2 years	3 years
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	757	766
Accumulated Amortization	(513)	(469)
Net Carrying Amount	244	297
Weighted Average Remaining Useful Life	3 years	3 years
Developed Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	283	287
Accumulated Amortization	(155)	(142)
Net Carrying Amount	128	145
Weighted Average Remaining Useful Life	3 years	4 years
Finite-Lived Tradenames
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	125	125
Accumulated Amortization	(110)	(103)
Net Carrying Amount	15	22
Weighted Average Remaining Useful Life	1 year	2 years
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	21	21
Accumulated Amortization	(15)	(14)
Net Carrying Amount	6	7
Weighted Average Remaining Useful Life	3 years	4 years
Indefinite-Lived Trade Names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	297	297
Accumulated Amortization	0	0
Net Carrying Amount	$ 297	$ 297

[1] Derived from audited financial statements.