Balance Sheet Details - Property and Equipment Net (Detail) - USD ($) $ in Millions	Jan. 26, 2018	Apr. 28, 2017
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 1,985	$ 2,047
Accumulated depreciation and amortization	(1,244)	(1,248)
Property and equipment, net	741	799
Land
Property Plant And Equipment [Line Items]
Property and equipment, gross	106	132
Buildings and improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	576	612
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	94	93
Computer, production, engineering and other equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	726	741
Computer software
Property Plant And Equipment [Line Items]
Property and equipment, gross	358	353
Furniture and fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	99	90
Construction-in-progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 26	$ 26

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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