Supplementary Information (Property and Equipment) (Details) - USD ($) $ in Millions	Oct. 04, 2019	Mar. 29, 2019
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 1,831	$ 1,817
Accumulated depreciation and amortization	(1,155)	(1,099)
Total property and equipment, net	676	718
Land
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	65	65
Computer hardware and software
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	917	926
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	123	118
Buildings
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	364	364
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	355	332
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 7	$ 12