Leases - Lease Expense and Supplemental Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May 02, 2021	Apr. 26, 2020	May 02, 2021	Apr. 26, 2020
Leases [Abstract]
Operating lease cost	$ 19	$ 21	$ 38	$ 34
Weighted-average remaining lease term (in years)	4 years 9 months 18 days	5 years 4 months 24 days	4 years 9 months 18 days	5 years 4 months 24 days
Weighted-average discount rate	1.70%	2.00%	1.70%	2.00%
Operating cash flows paid for operating leases			$ 39	$ 34
Right-of-use assets obtained in exchange for operating lease liabilities			$ 14	$ 113