Segment Information (Schedule of Reportable Segment Data) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 30, 2016	Jan. 01, 2016	Dec. 30, 2016	Jan. 01, 2016
Segment Reporting Information [Line Items]
Net revenues	$ 1,041	$ 909	$ 2,904	$ 2,727
Operating income	(16)	146	78	329
Operating Segments
Segment Reporting Information [Line Items]
Net revenues	1,041	909	2,904	2,727
Operating income	271	254	773	812
Operating Segments | Consumer Security:
Segment Reporting Information [Line Items]
Net revenues	397	414	1,205	1,264
Operating income	213	230	662	707
Operating Segments | Enterprise Security:
Segment Reporting Information [Line Items]
Net revenues	644	495	1,699	1,463
Operating income	$ 58	$ 24	$ 111	$ 105