Industry Segment Operations (Net Sales and Operating Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 28, 2018	Jan. 29, 2017
Net sales and operating income (loss) for each reportable segment
Net sales	$ 4,204	$ 3,278
Operating Income (Loss)	1,196	807
Corporate and Other
Net sales and operating income (loss) for each reportable segment
Net sales	22	30
Operating Income (Loss)	(154)	(176)
Semiconductor Systems | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net sales	2,847	2,150
Operating Income (Loss)	995	690
Applied Global Services | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net sales	880	676
Operating Income (Loss)	254	178
Display and Adjacent Markets | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net sales	455	422
Operating Income (Loss)	$ 101	$ 115