Industry Segment Operations (Net Sales and Operating Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May. 01, 2016	Apr. 26, 2015	May. 01, 2016	Apr. 26, 2015
Net sales and operating income (loss) for each reportable segment
Net Sales	$ 2,450	$ 2,442	$ 4,707	$ 4,801
Operating Income (Loss)	425	416	779	874
Operating Segments [Member]
Net sales and operating income (loss) for each reportable segment
Net Sales	2,450	2,442	4,707	4,801
Operating Income (Loss)	564	579	1,029	1,107
Operating Segments [Member] | Silicon Systems [Member]
Net sales and operating income (loss) for each reportable segment
Net Sales	1,587	1,560	2,960	3,006
Operating Income (Loss)	364	374	629	681
Operating Segments [Member] | Applied Global Services [Member]
Net sales and operating income (loss) for each reportable segment
Net Sales	648	646	1,274	1,229
Operating Income (Loss)	171	170	327	323
Operating Segments [Member] | Display [Member]
Net sales and operating income (loss) for each reportable segment
Net Sales	167	163	380	438
Operating Income (Loss)	29	40	67	112
Operating Segments [Member] | Energy And Environmental Solutions [Member]
Net sales and operating income (loss) for each reportable segment
Net Sales	48	73	93	128
Operating Income (Loss)	$ 0	$ (5)	$ 6	$ (9)