Goodwill and Intangible Assets (Schedule of Changes in the Carrying Amount of Goodwill) (Details) $ in Millions	9 Months Ended
	Jan. 01, 2016 USD ($)
Goodwill [Roll Forward]
Net balance as of April 3, 2015	$ 3,146
Translation adjustments	0
Net balance as of January 1, 2016	3,146
Consumer Security
Goodwill [Roll Forward]
Net balance as of April 3, 2015	1,230
Translation adjustments	1
Net balance as of January 1, 2016	1,231
Enterprise Security
Goodwill [Roll Forward]
Net balance as of April 3, 2015	1,916
Translation adjustments	(1)
Net balance as of January 1, 2016	$ 1,915