Goodwill and Intangible Assets (Schedule Of Changes In The Carrying Amount Of Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Apr. 01, 2016	Apr. 03, 2015
Goodwill [Roll Forward]
Beginning balance	$ 3,146	$ 3,151
Acquisitions		11
Translation adjustments	2	(16)
Ending balance	3,148	3,146
Consumer Security
Goodwill [Roll Forward]
Beginning balance	1,230	1,233
Acquisitions		0
Translation adjustments	1	(3)
Ending balance	1,231	1,230
Enterprise Security
Goodwill [Roll Forward]
Beginning balance	1,916	1,918
Acquisitions		11
Translation adjustments	1	(13)
Ending balance	$ 1,917	$ 1,916