Goodwill, Purchased Technology and Other Intangible Assets (Finite-lived Intangible Assets) (Details) - USD ($) $ in Millions	Oct. 30, 2016	Oct. 25, 2015
Amortized intangible assets
Gross carrying amount	$ 1,934	$ 1,932
Accumulated amortization	(1,384)	(1,195)
Carrying amount	550	737
Purchased Technology
Amortized intangible assets
Gross carrying amount	1,593	1,591
Accumulated amortization	(1,184)	(1,016)
Carrying amount	409	575
Other
Amortized intangible assets
Gross carrying amount	341	341
Accumulated amortization	(200)	(179)
Carrying amount	141	162
Operating Segments | Semiconductor Systems
Amortized intangible assets
Gross carrying amount	1,701	1,701
Accumulated amortization	(1,156)	(971)
Operating Segments | Semiconductor Systems | Purchased Technology
Amortized intangible assets
Gross carrying amount	1,449	1,449
Accumulated amortization	(1,043)	(876)
Operating Segments | Semiconductor Systems | Other
Amortized intangible assets
Gross carrying amount	252	252
Accumulated amortization	(113)	(95)
Operating Segments | Applied Global Services
Amortized intangible assets
Gross carrying amount	72	72
Accumulated amortization	(71)	(70)
Operating Segments | Applied Global Services | Purchased Technology
Amortized intangible assets
Gross carrying amount	28	28
Accumulated amortization	(27)	(26)
Operating Segments | Applied Global Services | Other
Amortized intangible assets
Gross carrying amount	44	44
Accumulated amortization	(44)	(44)
Operating Segments | Display and Adjacent Markets
Amortized intangible assets
Gross carrying amount	151	149
Accumulated amortization	(147)	(147)
Operating Segments | Display and Adjacent Markets | Purchased Technology
Amortized intangible assets
Gross carrying amount	115	113
Accumulated amortization	(113)	(113)
Operating Segments | Display and Adjacent Markets | Other
Amortized intangible assets
Gross carrying amount	36	36
Accumulated amortization	(34)	(34)
Corporate, Reconciling Items, And Eliminations
Amortized intangible assets
Gross carrying amount	10	10
Accumulated amortization	(10)	(7)
Corporate, Reconciling Items, And Eliminations | Purchased Technology
Amortized intangible assets
Gross carrying amount	1	1
Accumulated amortization	(1)	(1)
Corporate, Reconciling Items, And Eliminations | Other
Amortized intangible assets
Gross carrying amount	9	9
Accumulated amortization	$ (9)	$ (6)