Stockholders' Equity (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) $ in Millions	6 Months Ended
	Oct. 04, 2019 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 5,738
Ending balance	6,112
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(7)
Other comprehensive income before reclassifications	5
Ending balance	(2)
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(5)
Other comprehensive income before reclassifications	2
Ending balance	(3)
Unrealized Gain (Loss) on Available-For-Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1)
Other comprehensive income before reclassifications	2
Ending balance	1
Equity Method Investee
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1)
Other comprehensive income before reclassifications	1
Ending balance	$ 0