Severance and Related Charges - Schedule of Severance Costs (Details) - USD ($) $ in Millions	3 Months Ended
Jan. 31, 2021	Jan. 26, 2020
Restructuring Cost and Reserve [Line Items]
Provision for severance	$ 152	$ 0
Display and Adjacent Markets
Restructuring Cost and Reserve [Line Items]
Provision for severance	8
Corporate and Other
Restructuring Cost and Reserve [Line Items]
Provision for severance	$ 144

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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