Leases (Details) - USD ($) $ in Millions	3 Months Ended
	Feb. 02, 2020	Feb. 03, 2019	Nov. 04, 2019	Nov. 03, 2019
Leases [Abstract]
Operating Lease, Cost	$ 25
Finance Lease, Right-of-Use Asset, Amortization	2
Operating Leases, Rent Expense, Net		$ 67
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	642
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 57
Operating Lease, Weighted Average Remaining Lease Term	11 years
Finance Lease, Weighted Average Remaining Lease Term	5 years
Operating Lease, Weighted Average Discount Rate, Percent	3.70%
Finance Lease, Weighted Average Discount Rate, Percent	3.33%
Operating Lease, Payments	$ 32
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	87
Finance Lease, Liability, Payments, Remainder of Fiscal Year	9
Operating Lease, Right-of-Use Asset	620		$ 545
Finance Lease, Right-of-Use Asset	55
Operating Lease, Liability, Current	95
Operating Lease, Liability, Noncurrent	568
Finance Lease, Liability, Current	11
Finance Lease, Liability, Noncurrent	44
Lessee, Operating Lease, Liability, Payments, Due Year Two	110
Finance Lease, Liability, Payments, Due Year Two	13
Lessee, Operating Lease, Liability, Payments, Due Year Three	87
Finance Lease, Liability, Payments, Due Year Three	13
Lessee, Operating Lease, Liability, Payments, Due Year Four	80
Finance Lease, Liability, Payments, Due Year Four	13
Lessee, Operating Lease, Liability, Payments, Due Year Five	59
Finance Lease, Liability, Payments, Due Year Five	12
Lessee, Operating Lease, Liability, Payments, Due after Year Five	403
Finance Lease, Liability, Payments, Due in Rolling after Year Five	0
Lessee, Operating Lease, Liability, Payments, Due	826
Finance Lease, Liability, Payments, Due	60
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	163
Finance Lease, Liability, Undiscounted Excess Amount	5
Operating Lease, Liability	663		$ 591
Finance Lease, Liability	$ 55
Operating Leases, Future Minimum Payments Due, Next Twelve Months				$ 115
Operating lease obligations, Due in 2021				99
Operating lease obligations, Due in 2022				80
Operating lease obligations, Due in 2023				69
Operating lease obligations, Due in 2024				47
Operating lease obligations, Thereafter				390
Operating Leases, Future Minimum Payments Due				$ 800