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Finance Receivables - Finance Receivables (Details) - USD ($)
$ in Millions
Jan. 31, 2020
Oct. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and Leases Receivable, Gross, Carrying Amount, Covered $ 1,908 $ 2,220
Less: Allowance for Doubtful accounts 25 23
Total finance receivables, net 1,883 2,197
Financing Receivable, Recorded Investment, Current [1] 1,615 1,923
Finance Receivables, Noncurrent 268 274
Loans and Leases Receivable, Gross 1,908 2,220
Retail Portfolio [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and Leases Receivable, Gross, Carrying Amount, Covered 698 854
Wholesale Portfolio [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and Leases Receivable, Gross, Carrying Amount, Covered $ 1,210 $ 1,366
[1]
(A)
The current portion of finance receivables is computed based on contractual maturities. Actual cash collections typically vary from the contractual cash flows because of prepayments, extensions, delinquencies, credit losses, and renewals.