Goodwill, Purchased Technology and Other Intangible Assets (Schedule of Finite-lived Intangible Assets) (Details) - USD ($) $ in Millions	Jul. 31, 2016	Oct. 25, 2015
Finite-lived intangible assets
Gross carrying amount	$ 1,933	$ 1,932
Accumulated amortization	(1,337)	(1,195)
Total	596	737
Corporate and Other [Member]
Finite-lived intangible assets
Gross carrying amount	11	10
Accumulated amortization	(9)	(7)
Semiconductor Systems [Member] | Operating Segments [Member]
Finite-lived intangible assets
Gross carrying amount	1,701	1,701
Accumulated amortization	(1,110)	(971)
Applied Global Services [Member] | Operating Segments [Member]
Finite-lived intangible assets
Gross carrying amount	72	72
Accumulated amortization	(71)	(70)
Display and Adjacent Markets [Member] | Operating Segments [Member]
Finite-lived intangible assets
Gross carrying amount	149	149
Accumulated amortization	(147)	(147)
Purchased technology [Member]
Finite-lived intangible assets
Gross carrying amount	1,592	1,591
Accumulated amortization	(1,142)	(1,016)
Total	450	575
Purchased technology [Member] | Corporate and Other [Member]
Finite-lived intangible assets
Gross carrying amount	2	1
Accumulated amortization	(1)	(1)
Purchased technology [Member] | Semiconductor Systems [Member] | Operating Segments [Member]
Finite-lived intangible assets
Gross carrying amount	1,449	1,449
Accumulated amortization	(1,001)	(876)
Purchased technology [Member] | Applied Global Services [Member] | Operating Segments [Member]
Finite-lived intangible assets
Gross carrying amount	28	28
Accumulated amortization	(27)	(26)
Purchased technology [Member] | Display and Adjacent Markets [Member] | Operating Segments [Member]
Finite-lived intangible assets
Gross carrying amount	113	113
Accumulated amortization	(113)	(113)
Other [Member]
Finite-lived intangible assets
Gross carrying amount	341	341
Accumulated amortization	(195)	(179)
Total	146	162
Other [Member] | Corporate and Other [Member]
Finite-lived intangible assets
Gross carrying amount	9	9
Accumulated amortization	(8)	(6)
Other [Member] | Semiconductor Systems [Member] | Operating Segments [Member]
Finite-lived intangible assets
Gross carrying amount	252	252
Accumulated amortization	(109)	(95)
Other [Member] | Applied Global Services [Member] | Operating Segments [Member]
Finite-lived intangible assets
Gross carrying amount	44	44
Accumulated amortization	(44)	(44)
Other [Member] | Display and Adjacent Markets [Member] | Operating Segments [Member]
Finite-lived intangible assets
Gross carrying amount	36	36
Accumulated amortization	$ (34)	$ (34)