Supplemental Financial Information (Schedule Of Accumulated Other Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 28, 2013		Jun. 29, 2012
Balance as of March 29, 2013, net of taxes	$ 199	[1]	$ 3
Other comprehensive income before reclassifications	(21)
Amounts reclassified from accumulated other comprehensive income	(13)
Tax effects	12
Net changes	(22)
Balance as of June 28, 2013, net of taxes	177
Other (expense) income, net	18		(6)
Provision for income taxes	(63)		(58)
Net income	157		160
Foreign Currency Translation Adjustments [Member]
Balance as of March 29, 2013, net of taxes	183
Other comprehensive income before reclassifications	(27)
Tax effects	9
Net changes	(18)
Balance as of June 28, 2013, net of taxes	165
Unrealized Gain On Available-For-Sale Securities [Member]
Balance as of March 29, 2013, net of taxes	16
Other comprehensive income before reclassifications	6
Amounts reclassified from accumulated other comprehensive income	(13)
Tax effects	3
Net changes	(4)
Balance as of June 28, 2013, net of taxes	12
Amount Reclassified From Accumulated Other Comprehensive Income [Member]
Net income	8
Amount Reclassified From Accumulated Other Comprehensive Income [Member] | Unrealized Gain On Available-For-Sale Securities [Member]
Other (expense) income, net	13
Amount Reclassified From Accumulated Other Comprehensive Income [Member] | Tax Effects [Member]
Provision for income taxes	$ (5)

[1] Derived from audited financial statements