Goodwill, Purchased Technology and Other Intangible Assets - Schedule of Goodwill and Other Indefinite-lived Intangible Assets (Details) - USD ($) $ in Millions	9 Months Ended
	Jul. 26, 2020	Oct. 27, 2019
Goodwill [Line Items]
Goodwill	$ 3,474	$ 3,399
Goodwill, acquired during period	75
Corporate and Other
Goodwill [Line Items]
Goodwill	51	0
Semiconductor Systems
Goodwill [Line Items]
Goodwill	2,206	2,182
Applied Global Services
Goodwill [Line Items]
Goodwill	1,018	1,018
Display and Adjacent Markets
Goodwill [Line Items]
Goodwill	$ 199	$ 199