Leases Lease Income (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Apr. 30, 2020	Apr. 30, 2020
Lessor, Lease, Description [Line Items]
Direct Financing Lease, Revenue	$ 11	$ 18
Operating Lease, Lease Income	28	56
Manufactured products, net [Member]
Lessor, Lease, Description [Line Items]
Direct Financing Lease, Revenue	0	0
Operating Lease, Lease Income	4	12
Finance Revenue, Net [Member]
Lessor, Lease, Description [Line Items]
Direct Financing Lease, Revenue	11	18
Operating Lease, Lease Income	22	41
Other Expense [Member]
Lessor, Lease, Description [Line Items]
Direct Financing Lease, Revenue	0	0
Operating Lease, Lease Income	$ 2	$ 3