Employee Benefits And Stock-Based Compensation (Schedule Of Stock-Based Compensation Expense Recognized In Our Consolidated Statements Of Income) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 29, 2013	Mar. 30, 2012	Apr. 01, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 164	$ 164	$ 145
Tax benefit associated with stock-based compensation expense	(48)	(46)	(41)
Net stock-based compensation expense	116	118	104
Net stock-based compensation expense per share - basic	$ 0.17	$ 0.16	$ 0.13
Net stock-based compensation expense per share - diluted	$ 0.16	$ 0.16	$ 0.13
Cost Of Revenue - Content, Subscription, And Maintenance [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	15	16	22
Sales And Marketing [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	67	70	58
Research And Development [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	50	49	40
General And Administrative [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 32	$ 29	$ 25