Industry Segment Operations (Net Sales and Operating Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 29, 2018	Apr. 30, 2017	Apr. 29, 2018	Apr. 30, 2017
Net sales and operating income (loss) for each reportable segment
Net sales	$ 4,567	$ 3,546	$ 8,771	$ 6,824
Operating Income (Loss)	1,327	940	2,523	1,747
Corporate and Other
Net sales and operating income (loss) for each reportable segment
Operating Income (Loss)	(184)	(146)	(338)	(322)
Semiconductor Systems | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net sales	2,999	2,404	5,846	4,554
Operating Income (Loss)	1,071	808	2,066	1,498
Applied Global Services | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net sales	943	724	1,823	1,400
Operating Income (Loss)	278	194	532	372
Display and Adjacent Markets | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net sales	600	391	1,055	813
Operating Income (Loss)	$ 162	$ 84	$ 263	$ 199