Basis Of Presentation (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 28, 2013	Jun. 29, 2012	Mar. 29, 2013		Mar. 30, 2012
Basis Of Presentation [Abstract]
Deferred commissions	$ 164		$ 159
Capitalized commission costs	54
Deferred commission costs		31
Amortized sales expense	49	53
Accumulated deficit	(1,840)		(1,997)	[1]	109
Accumulated other comprehensive income	$ 177		$ 199	[1]	$ 3

[1] Derived from audited financial statements