Segment and Geographic Information (Narrative) (Details)	12 Months Ended
	Mar. 31, 2017 USD ($) segment	Apr. 01, 2016 USD ($)	Apr. 03, 2015 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Net revenues	$ 4,019,000,000	$ 3,600,000,000	$ 3,956,000,000
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net revenues	$ 0	$ 0	$ 0