Goodwill, Purchased Technology and Other Intangible Assets - Schedule of Finite-lived Intangible Assets (Details) - USD ($) $ in Millions	Aug. 01, 2021	Oct. 25, 2020
Finite-lived intangible assets
Gross carrying amount:	$ 2,041	$ 2,041
Accumulated amortization:	(1,925)	(1,888)
Total	116	153
Corporate and Other
Finite-lived intangible assets
Gross carrying amount:	29	29
Accumulated amortization:	(12)	(11)
Semiconductor Systems | Operating Segments
Finite-lived intangible assets
Gross carrying amount:	1,732	1,732
Accumulated amortization:	(1,639)	(1,608)
Applied Global Services | Operating Segments
Finite-lived intangible assets
Gross carrying amount:	79	79
Accumulated amortization:	(76)	(75)
Display and Adjacent Markets | Operating Segments
Finite-lived intangible assets
Gross carrying amount:	201	201
Accumulated amortization:	(198)	(194)
Purchased technology, net
Finite-lived intangible assets
Gross carrying amount:	1,687	1,687
Accumulated amortization:	(1,634)	(1,612)
Total	53	75
Purchased technology, net | Corporate and Other
Finite-lived intangible assets
Gross carrying amount:	13	13
Accumulated amortization:	(1)	(1)
Purchased technology, net | Semiconductor Systems | Operating Segments
Finite-lived intangible assets
Gross carrying amount:	1,476	1,476
Accumulated amortization:	(1,441)	(1,423)
Purchased technology, net | Applied Global Services | Operating Segments
Finite-lived intangible assets
Gross carrying amount:	35	35
Accumulated amortization:	(32)	(31)
Purchased technology, net | Display and Adjacent Markets | Operating Segments
Finite-lived intangible assets
Gross carrying amount:	163	163
Accumulated amortization:	(160)	(157)
Other Intangible Assets
Finite-lived intangible assets
Gross carrying amount:	354	354
Accumulated amortization:	(291)	(276)
Total	63	78
Other Intangible Assets | Corporate and Other
Finite-lived intangible assets
Gross carrying amount:	16	16
Accumulated amortization:	(11)	(10)
Other Intangible Assets | Semiconductor Systems | Operating Segments
Finite-lived intangible assets
Gross carrying amount:	256	256
Accumulated amortization:	(198)	(185)
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:	$ (38)	$ (37)