Goodwill And Intangible Assets (Schedule Of Goodwill Allocated By Operating Segment) (Details) (USD $)	12 Months Ended
	Mar. 29, 2013		Mar. 30, 2012		Apr. 01, 2011
Goodwill [Line Items]
Net balance as of beginning of period	$ 5,826,000,000	[1]	$ 5,494,000,000	[2]
Goodwill impairment			(19,000,000)	[3]
Goodwill acquired through acquisitions	24,000,000	[4]	363,000,000	[4]
Goodwill adjustments	(9,000,000)		(12,000,000)
Net balance as of end of period	5,841,000,000	[1]	5,826,000,000	[1]
Consumer [Member]
Goodwill [Line Items]
Net balance as of beginning of period			363,000,000	[2]
Goodwill adjustments			(8,000,000)
Net balance as of end of period	355,000,000	[1]	355,000,000	[1]
Gross goodwill	400,000,000		400,000,000		400,000,000
Accumulated impairment	0		0		0
Security And Compliance [Member]
Goodwill [Line Items]
Net balance as of beginning of period	2,486,000,000	[1]	2,464,000,000	[2]
Goodwill acquired through acquisitions	24,000,000	[4]	26,000,000	[4]
Goodwill adjustments	(3,000,000)		(4,000,000)
Net balance as of end of period	2,507,000,000	[1]	2,486,000,000	[1]
Gross goodwill	4,900,000,000		4,900,000,000		4,900,000,000
Accumulated impairment	2,400,000,000		2,400,000,000		2,400,000,000
Storage And Server Management [Member]
Goodwill [Line Items]
Net balance as of beginning of period	2,985,000,000	[1]	2,648,000,000	[2]
Goodwill acquired through acquisitions			337,000,000	[4]
Goodwill adjustments	(6,000,000)
Net balance as of end of period	2,979,000,000	[1]	2,985,000,000	[1]
Gross goodwill	7,600,000,000		7,600,000,000		7,200,000,000
Accumulated impairment	4,600,000,000		4,600,000,000		4,600,000,000
Services [Member]
Goodwill [Line Items]
Net balance as of beginning of period		[1]	19,000,000	[2]
Goodwill impairment			(19,000,000)	[3]
Goodwill acquired through acquisitions		[4]		[4]
Goodwill adjustments
Net balance as of end of period		[1]		[1]
Gross goodwill	400,000,000		400,000,000		400,000,000
Accumulated impairment	$ 400,000,000		$ 400,000,000		$ 400,000,000

[1] Gross goodwill balances for the Consumer, Security and Compliance, Storage and Server Management, and Services segment were $0.4 billion, $4.9 billion, $7.6 billion, and $0.4 billion, respectively as of March 30, 2012 and March 29, 2013. Accumulated impairments for the Consumer, Security and Compliance, Storage and Server Management, and Services were $0, $2.4 billion, $4.6 billion, and $0.4 billion, respectively as of March 30, 2012 and March 29, 2013.

[2] Gross goodwill balances for the Consumer, Security and Compliance, Storage and Server Management, and Services segment were $0.4 billion, $4.9 billion, $7.2 billion, and $0.4 billion, respectively as of April 1, 2011. Accumulated impairments for the Consumer, Security and Compliance, Storage and Server Management, and Services were $0, $2.4 billion, $4.6 billion, and $0.4 billion, respectively as of April 1, 2011.

[3] Due to the adoption of new authoritative guidance at the beginning of fiscal 2012, we were required to perform a goodwill impairment test for our Services reporting unit. As a result, we recognized an impairment loss of $19 million which was recorded to beginning Accumulated deficit as a cumulative-effect adjustment.

[4] See Note 3 for business combinations completed.