Accounts Receivable, Net (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 26, 2020	Jul. 28, 2019	Jul. 26, 2020	Jul. 28, 2019	Oct. 27, 2019
Receivables [Abstract]
Factored accounts receivable	$ 326,000,000	$ 143,000,000	$ 690,000,000	$ 1,300,000,000
Discounted letters of credit	0	$ 40,000,000	0	$ 40,000,000
Discounted promissory notes	0		0
Allowance for doubtful accounts	$ 30,000,000		$ 30,000,000		$ 30,000,000