Goodwill, Purchased Technology and Other Intangible Assets (Amortization Expense by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 29, 2018	Jul. 30, 2017	Jul. 29, 2018	Jul. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 50	$ 49	$ 149	$ 143
Semiconductor Systems | Operating Segments
Finite-Lived Intangible Assets [Line Items]
Amortization expense	47	46	138	138
Applied Global Services | Operating Segments
Finite-Lived Intangible Assets [Line Items]
Amortization expense	0	0	1	1
Display and Adjacent Markets | Operating Segments
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 3	$ 3	$ 10	$ 4