Summary of Significant Accounting Policies (Property Plant and Equipment Useful Life) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 27, 2024	Oct. 29, 2023	Oct. 30, 2022	Oct. 31, 2021	Oct. 30, 2023
Property, Plant and Equipment [Line Items]
Income from operations		$ 7,654	$ 7,788	$ 6,889
Forecast | Useful life
Property, Plant and Equipment [Line Items]
Income from operations	$ 128
Buildings and improvements | Subsequent event
Property, Plant and Equipment [Line Items]
Increase in useful life					5 years
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 | Minimum
Property, Plant and Equipment [Line Items]
Useful life		3 years
Demonstration and manufacturing equipment | Minimum | Subsequent event
Property, Plant and Equipment [Line Items]
Useful life					5 years
Demonstration and manufacturing equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful life		5 years
Demonstration and manufacturing equipment | Maximum | Subsequent event
Property, Plant and Equipment [Line Items]
Useful life					8 years
Software | Minimum
Property, Plant and Equipment [Line Items]
Useful life		3 years
Software | Maximum
Property, Plant and Equipment [Line Items]
Useful life		5 years
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
Land improvements | Maximum
Property, Plant and Equipment [Line Items]
Term of amortization		15 years
Leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Term of amortization		5 years