Supplemental Financial Information (Schedule Of Accumulated Other Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Apr. 03, 2015
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss), Net Of Tax [Roll Forward]
Balance	$ 191
Other comprehensive income before reclassifications	(89)
Amounts reclassified from accumulated other comprehensive income	(1)
Balance	101
Foreign Currency Translation Adjustments | Amount Reclassified From Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss), Net Of Tax [Roll Forward]
Other Income	1
Unrealized Gain On Available-For-Sale Securities
Accumulated Other Comprehensive Income (Loss), Net Of Tax [Roll Forward]
Balance	3
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive income	0
Balance	3
Total
Accumulated Other Comprehensive Income (Loss), Net Of Tax [Roll Forward]
Balance	194
Other comprehensive income before reclassifications	(89)
Amounts reclassified from accumulated other comprehensive income	(1)
Balance	$ 104