|**Finance Receivables (Tables)**                                               | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
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|**Receivables [Abstract]**                                                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] | urFinance receivables, netin ourConsolidated Balance Sheetsconsist of the following:(in millions)January 31, 2017October 31, 2016Retail portfolio$391$499Wholesale portfolio9931,199Total finance receivables1,3841,698Less: Allowance for doubtful accounts2121Total finance receivables, net1,3631,677Less: Current portion, net(A)1,1611,457Noncurrent portion, net$202$220_________________________(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.
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|(in millions)                                                                  | January 31, 2017                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Retail portfolio                                                               | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Wholesale portfolio                                                            | 993                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Total finance receivables                                                      | 1,384                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Less: Allowance for doubtful accounts                                          | 21                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Total finance receivables, net                                                 | 1,363                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Less: Current portion, net(A)                                                  | 1,161                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Noncurrent portion, net                                                        | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
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|(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.                                                                                                                                                                                                                                                                                                                                                                                                          
|Finance Revenues Derived From Receivables [Table Text Block]                   | The following table presents the components of ourFinance revenuesin ourConsolidated Statements of Operations:Three Months Ended January 31,(in millions)20172016Retail notes and finance leases revenue$9$10Wholesale notes interest2326Operating lease revenue1716Retail and wholesale accounts interest57Gross finance revenues5459Less: Intercompany revenues2024Finance revenues$34$35                                                                                                                                                                                                                                                             
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|                                                                               | Three Months Ended January 31,                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|(in millions)                                                                  | 2017                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Retail notes and finance leases revenue                                        | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Wholesale notes interest                                                       | 23                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Operating lease revenue                                                        | 17                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Retail and wholesale accounts interest                                         | 5                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Gross finance revenues                                                         | 54                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Less: Intercompany revenues                                                    | 20                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Finance revenues                                                               | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

X- DefinitionFinance Revenues Derived From Receivables [Table Text Block]
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duration X- DefinitionTabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.
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