Accounts Receivable, Net (Details) - USD ($)	3 Months Ended
	Jan. 31, 2021	Jan. 26, 2020	Oct. 25, 2020
Receivables [Abstract]
Factored accounts receivable	$ 369,000,000	$ 206,000,000
Discounted letters of credit	0
Discounted promissory notes	0
Allowance for credit losses	$ 30,000,000		$ 30,000,000