Balance Sheet Details - Property and Equipment Net (Detail) - USD ($) $ in Millions	Jan. 27, 2017	Apr. 29, 2016
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 2,196	$ 2,191
Accumulated depreciation and amortization	(1,304)	(1,254)
Property and equipment, net	892	937
Land
Property Plant And Equipment [Line Items]
Property and equipment, gross	183	215
Buildings and improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	695	605
Leasehold improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	101	106
Computer, production, engineering and other equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	756	751
Computer software
Property Plant And Equipment [Line Items]
Property and equipment, gross	352	352
Furniture and fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	98	88
Construction-in-progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 11	$ 74

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 210
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