Industry Segment Operations (Net Sales and Operating Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2017	May 01, 2016	Apr. 30, 2017	May 01, 2016
Net sales and operating income (loss) for each reportable segment
Net sales	$ 3,546	$ 2,450	$ 6,824	$ 4,707
Operating Income (Loss)	940	425	1,747	779
Corporate and Other
Net sales and operating income (loss) for each reportable segment
Net sales	27	43	57	67
Operating Income (Loss)	(146)	(135)	(322)	(243)
Semiconductor Systems | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net sales	2,404	1,587	4,554	2,960
Operating Income (Loss)	808	364	1,498	629
Applied Global Services | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net sales	724	633	1,400	1,239
Operating Income (Loss)	194	165	372	314
Display and Adjacent Markets | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net sales	391	187	813	441
Operating Income (Loss)	$ 84	$ 31	$ 199	$ 79