Goodwill, Purchased Technology and Other Intangible Assets (Amortization Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 28, 2018	Oct. 29, 2017	Oct. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 199	$ 193	$ 189
Cost of products sold
Finite-Lived Intangible Assets [Line Items]
Amortization expense	180	173	167
Research, development, and engineering
Finite-Lived Intangible Assets [Line Items]
Amortization expense	1	1	2
Marketing and selling
Finite-Lived Intangible Assets [Line Items]
Amortization expense	18	19	20
Operating Segments | Semiconductor Systems
Finite-Lived Intangible Assets [Line Items]
Amortization expense	184	185	185
Operating Segments | Applied Global Services
Finite-Lived Intangible Assets [Line Items]
Amortization expense	1	1	1
Operating Segments | Display and Adjacent Markets
Finite-Lived Intangible Assets [Line Items]
Amortization expense	14	7	0
Corporate and Other
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 0	$ 0	$ 3