Goodwill, Purchased Technology and Other Intangible Assets (Amortization Expense by Segment) (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 28, 2018	Jan. 29, 2017
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 50	$ 48
Semiconductor Systems | Operating Segments
Finite-Lived Intangible Assets [Line Items]
Amortization expense	46	47
Display and Adjacent Markets | Operating Segments
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 4	$ 1