Leases - Lessee Supplemental Balance Sheet Information Related to Leases (Details) $ in Millions	Oct. 31, 2020 USD ($)
Leases [Abstract]
Operating lease right of use assets	$ 119
Finance lease right of use assets	2
Right of Use Asset	121
Other current liabilities	30
Other noncurrent liabilities	92
Notes payable and current maturities of long-term debt	1
Long-term debt	1
Lease Liabilities	$ 124