Balance Sheet and Other Details - Property and Equipment, Net (Details) - USD ($) $ in Millions	Jul. 27, 2024	Jul. 29, 2023
Property, Plant and Equipment [Line Items]
Operating lease assets	$ 115	$ 135
Total gross property and equipment	9,873	10,058
Less: accumulated depreciation and amortization	(7,783)	(7,973)
Total	2,090	2,085
Land, buildings, and building and leasehold improvements
Property, Plant and Equipment [Line Items]
Gross property and equipment, excluding operating lease assets	4,247	4,229
Production, engineering, computer and other equipment and related software
Property, Plant and Equipment [Line Items]
Gross property and equipment, excluding operating lease assets	5,160	5,355
Furniture, fixtures and other
Property, Plant and Equipment [Line Items]
Gross property and equipment, excluding operating lease assets	$ 351	$ 339