Balance Sheet Detail - Property, Plant and Equipment (Details) - USD ($) $ in Millions	Jan. 25, 2026	Oct. 26, 2025
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 8,953	$ 8,511
Accumulated depreciation	(4,004)	(3,901)
Net property, plant and equipment	4,949	4,610
Land and improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	558	558
Buildings and improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 2,993	2,930
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Useful Life	30 years
Demonstration and manufacturing equipment
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 2,813	2,708
Demonstration and manufacturing equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful Life	5 years
Demonstration and manufacturing equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful Life	8 years
Furniture, fixtures and other equipment
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 885	855
Furniture, fixtures and other equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Furniture, fixtures and other equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful Life	5 years
Construction in progress
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 1,704	$ 1,460