Income Taxes (Valuation Allowance) (Details) - Valuation Allowance of Deferred Tax Assets - USD ($) $ in Millions	12 Months Ended
	Oct. 29, 2023	Oct. 30, 2022	Oct. 31, 2021
Changes in allowance for doubtful accounts
Beginning balance	$ 460	$ 361	$ 314
Increases	70	99	47
Ending balance	$ 530	$ 460	$ 361