Stockholders' Equity (Schedule of Accumulated Other Comprehensive Income) (Details) $ in Millions	9 Months Ended
	Jan. 01, 2016 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of April 3, 2015	$ 5,935
Balance as of January 1, 2016	5,394
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of April 3, 2015	101
Other comprehensive income before reclassifications	(33)
Loss reclassified from accumulated other comprehensive income	1
Balance as of January 1, 2016	69
Unrealized Gain On Available-For-Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of April 3, 2015	3
Other comprehensive income before reclassifications	3
Loss reclassified from accumulated other comprehensive income	0
Balance as of January 1, 2016	6
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of April 3, 2015	104
Other comprehensive income before reclassifications	(30)
Loss reclassified from accumulated other comprehensive income	1
Balance as of January 1, 2016	$ 75