Allowance for Doubtful Accounts - Schedule of Allowance Aging Analysis (Details) - USD ($) $ in Millions	Jan. 31, 2017	Oct. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, Current	$ 1,344	$ 1,647
30-90 days past due	27	37
Total finance receivables	1,384	1,698
Retail Portfolio [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, Current	353	449
30-90 days past due	26	37
Total finance receivables	391	499
Wholesale Portfolio [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Finance Receivables, Current	991	1,198
30-90 days past due	1	0
Total finance receivables	993	1,199
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Over 90 days past due	13	14
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Retail Portfolio [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Over 90 days past due	12	13
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Wholesale Portfolio [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Over 90 days past due	$ 1	$ 1