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Goodwill, Purchased Technology and Other Intangible Assets - Schedule of Finite-lived Intangible Assets (Details) - USD ($)
$ in Millions
Jul. 26, 2020
Oct. 27, 2019
Finite-lived intangible assets    
Gross carrying amount: $ 2,029 $ 1,988
Accumulated amortization: (1,872) (1,832)
Total 157 156
Corporate and Other    
Finite-lived intangible assets    
Gross carrying amount: 18 9
Accumulated amortization: (9) (9)
Semiconductor Systems | Operating Segments    
Finite-lived intangible assets    
Gross carrying amount: 1,731 1,701
Accumulated amortization: (1,597) (1,568)
Applied Global Services | Operating Segments    
Finite-lived intangible assets    
Gross carrying amount: 79 77
Accumulated amortization: (74) (74)
Display and Adjacent Markets | Operating Segments    
Finite-lived intangible assets    
Gross carrying amount: 201 201
Accumulated amortization: (192) (181)
Purchased technology, net    
Finite-lived intangible assets    
Gross carrying amount: 1,679 1,645
Accumulated amortization: (1,601) (1,574)
Total 78 71
Purchased technology, net | Corporate and Other    
Finite-lived intangible assets    
Gross carrying amount: 6 0
Accumulated amortization: 0 0
Purchased technology, net | Semiconductor Systems | Operating Segments    
Finite-lived intangible assets    
Gross carrying amount: 1,475 1,449
Accumulated amortization: (1,416) (1,400)
Purchased technology, net | Applied Global Services | Operating Segments    
Finite-lived intangible assets    
Gross carrying amount: 35 33
Accumulated amortization: (30) (30)
Purchased technology, net | Display and Adjacent Markets | Operating Segments    
Finite-lived intangible assets    
Gross carrying amount: 163 163
Accumulated amortization: (155) (144)
Other Intangible Assets    
Finite-lived intangible assets    
Gross carrying amount: 350 343
Accumulated amortization: (271) (258)
Total 79 85
Other Intangible Assets | Corporate and Other    
Finite-lived intangible assets    
Gross carrying amount: 12 9
Accumulated amortization: (9) (9)
Other Intangible Assets | Semiconductor Systems | Operating Segments    
Finite-lived intangible assets    
Gross carrying amount: 256 252
Accumulated amortization: (181) (168)
Other Intangible Assets | Applied Global Services | Operating Segments    
Finite-lived intangible assets    
Gross carrying amount: 44 44
Accumulated amortization: (44) (44)
Other Intangible Assets | Display and Adjacent Markets | Operating Segments    
Finite-lived intangible assets    
Gross carrying amount: 38 38
Accumulated amortization: $ (37) $ (37)