Summary of Significant Accounting Policies (Summary Of Property And Equipment, Net) (Details) - USD ($) $ in Millions	Apr. 01, 2016	Apr. 03, 2015
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 1,962	$ 1,837
Accumulated depreciation	(1,005)	(887)
Property and equipment, net	957	950
Land
Property, Plant and Equipment [Line Items]
Gross property and equipment	73	73
Computer hardware and software
Property, Plant and Equipment [Line Items]
Gross property and equipment	987	922
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Gross property and equipment	92	88
Buildings
Property, Plant and Equipment [Line Items]
Gross property and equipment	426	426
Leasehold improvements
Property, Plant and Equipment [Line Items]
Gross property and equipment	310	249
Construction in progress
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 74	$ 79