Goodwill, Purchased Technology and Other Intangible Assets (Amortization Expense by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2017	May 01, 2016	Apr. 30, 2017	May 01, 2016
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 46	$ 47	$ 94	$ 95
Corporate and Other
Finite-Lived Intangible Assets [Line Items]
Amortization expense	0	1	0	2
Semiconductor Systems | Operating Segments
Finite-Lived Intangible Assets [Line Items]
Amortization expense	45	46	92	92
Applied Global Services | Operating Segments
Finite-Lived Intangible Assets [Line Items]
Amortization expense	1	0	1	1
Display and Adjacent Markets | Operating Segments
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 0	$ 0	$ 1	$ 0