Supplementary Information (Property and Equipment) (Details) - USD ($) $ in Millions	Apr. 03, 2020	Mar. 29, 2019
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 1,078	$ 1,684
Accumulated depreciation and amortization	(840)	(1,021)
Property and equipment, net	238	663
Land
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	7	65
Computer hardware and software
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	746	814
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	88	105
Buildings
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	108	364
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	128	327
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 1	$ 9