Goodwill, Purchased Technology and Other Intangible Assets (Amortization Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 29, 2017	Oct. 30, 2016	Oct. 25, 2015
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 193	$ 189	$ 186
Cost of products sold
Finite-Lived Intangible Assets [Line Items]
Amortization expense	173	167	163
Research, development, and engineering
Finite-Lived Intangible Assets [Line Items]
Amortization expense	1	2	1
Marketing and selling
Finite-Lived Intangible Assets [Line Items]
Amortization expense	19	20	20
General and administrative
Finite-Lived Intangible Assets [Line Items]
Amortization expense	0	0	2
Operating Segments | Semiconductor Systems
Finite-Lived Intangible Assets [Line Items]
Amortization expense	185	185	179
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	7	0	3
Corporate and Other
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 0	$ 3	$ 3