Segment and Geographic Information (Schedule Of Reportable Segment Data) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Apr. 03, 2015	Mar. 28, 2014	Mar. 29, 2013
Segment Reporting Information [Line Items]
Net revenue	$ 6,508	$ 6,676	$ 6,906
Operating income	1,149	1,183	1,106
Operating Segments
Segment Reporting Information [Line Items]
Net revenue	6,508	6,676	6,906
Operating income	1,755	1,813	1,702
Consumer Security | Operating Segments
Segment Reporting Information [Line Items]
Net revenue	1,887	2,063	2,109
Operating income	982	928	805
Enterprise Security | Operating Segments
Segment Reporting Information [Line Items]
Net revenue	2,063	2,100	2,168
Operating income	287	314	213
Information Management | Operating Segments
Segment Reporting Information [Line Items]
Net revenue	2,558	2,513	2,629
Operating income	$ 486	$ 571	$ 684