Goodwill, Purchased Technology and Other Intangible Assets (Amortization Expense by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 29, 2018	Apr. 30, 2017	Apr. 29, 2018	Apr. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 49	$ 46	$ 99	$ 94
Semiconductor Systems | Operating Segments
Finite-Lived Intangible Assets [Line Items]
Amortization expense	45	45	91	92
Applied Global Services | Operating Segments
Finite-Lived Intangible Assets [Line Items]
Amortization expense	1	1	1	1
Display and Adjacent Markets | Operating Segments
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 3	$ 0	$ 7	$ 1