Industry Segment Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 26, 2014	Jan. 27, 2013
Net sales and operating income (loss) for each reportable segment
Net Sales	$ 2,190	$ 1,573
Operating Income (Loss)	330	39
Operating Segments [Member]
Net sales and operating income (loss) for each reportable segment
Net Sales	2,190	1,573
Operating Income (Loss)	454	172
Operating Segments [Member] | Silicon Systems Group [Member]
Net sales and operating income (loss) for each reportable segment
Net Sales	1,484	969
Operating Income (Loss)	314	134
Operating Segments [Member] | Applied Global Services [Member]
Net sales and operating income (loss) for each reportable segment
Net Sales	507	471
Operating Income (Loss)	125	89
Operating Segments [Member] | Display [Member]
Net sales and operating income (loss) for each reportable segment
Net Sales	159	87
Operating Income (Loss)	26	3
Operating Segments [Member] | Energy and Environmental Solutions [Member]
Net sales and operating income (loss) for each reportable segment
Net Sales	40	46
Operating Income (Loss)	$ (11)	$ (54)