Supplementary Information (Property and Equipment) (Details) - USD ($) $ in Millions	3 Months Ended
	Jul. 03, 2020	Jul. 27, 2020	Apr. 03, 2020
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 680		$ 1,078
Accumulated depreciation and amortization	(592)		(840)
Total property and equipment, net	88		238
Increase of assets held-for-sale, reclassified during period	83
Subsequent Event
Property, Plant and Equipment [Line Items]
Consideration from sale of assets		$ 120
Land
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	1		7
Computer hardware and software
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	533		746
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	67		88
Buildings
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	15		108
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	63		128
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 1		$ 1