| **Allowance for Doubtful Accounts**            | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
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| **Allowance for Doubtful Accounts [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Allowance for Doubtful Accounts                | Allowance for Doubtful AccountsOur two finance receivables portfolio segments, retail and wholesale, each consist of one class of receivable based on: (i) initial measurement attributes of the receivables, and (ii) the assessment and monitoring of risk and performance of the receivables. For more information, see Note 3, Finance Receivables.The following tables present the activity related to our allowance for doubtful accounts for our retail portfolio segment, wholesale portfolio segment, and trade and other receivables: Three Months Ended January 31, 2017(in millions)RetailPortfolio WholesalePortfolio Trade andOtherReceivables TotalAllowance for doubtful accounts, at beginning of period$19 $2 $28 $49Provision for doubtful accounts, net of recoveries5 — 1 6Charge-off of accounts(3) — (1) (4)Other(A)(2) — — (2)Allowance for doubtful accounts, at end of period$19 $2 $28 $49 Three Months Ended January 31, 2016(in millions)RetailPortfolio WholesalePortfolio Trade andOtherReceivables TotalAllowance for doubtful accounts, at beginning of period$22 $4 $22 $48Provision for doubtful accounts, net of recoveries2 — 3 5Charge-off of accounts(3) — (1) (4)Other(A)(2) — (1) (3)Allowance for doubtful accounts, at end of period$19 $4 $23 $46____________________(A)Amounts include impact from currency translation.The accrual of interest income is discontinued on certain impaired finance receivables. Impaired finance receivables include accounts with specific loss reserves and certain accounts that are on non-accrual status. In certain cases, we continue to collect payments on our impaired finance receivables.The following table presents information regarding impaired finance receivables: January 31, 2017 October 31, 2016(in millions)RetailPortfolio WholesalePortfolio Total RetailPortfolio WholesalePortfolio TotalImpaired finance receivables with specific loss reserves$12 $— $12 $15 $— $15Impaired finance receivables without specific loss reserves— — — — — —Specific loss reserves on impaired finance receivables9 — 9 8 — 8Finance receivables on non-accrual status12 — 12 15 — 15The average balances of the impaired finance receivables in the retail portfolio were $13 million and $20 million during the three months ended January 31, 2017 and 2016, respectively.We use the aging of our receivables as well as other inputs when assessing credit quality. The following table presents the aging analysis for finance receivables: January 31, 2017 October 31, 2016(in millions)RetailPortfolio WholesalePortfolio Total RetailPortfolio WholesalePortfolio TotalCurrent, and up to 30 days past due$353 $991 $1,344 $449 $1,198 $1,64730-90 days past due26 1 27 37 — 37Over 90 days past due12 1 13 13 1 14Total finance receivables$391 $993 $1,384 $499 $1,199 $1,698 |

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Allowance for Doubtful Accounts [Abstract]
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The entire disclosure for allowance for credit losses.
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No definition available.
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