Balance Sheet Detail - Property, Plant and Equipment (Details) - USD ($) $ in Millions	6 Months Ended
	May 01, 2022	Oct. 31, 2021
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 5,281	$ 4,980
Accumulated depreciation	(3,210)	(3,046)
Property, Plant and Equipment, Net	2,071	1,934
Land and improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	381	334
Buildings and improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 1,963	1,780
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	$ 1,958	1,820
Demonstration and manufacturing equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Demonstration and manufacturing equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful Life	5 years
Furniture, fixtures and other equipment
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 708	720
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	$ 271	$ 326