| **Finance Receivables (Tables)**                                               | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
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| **Receivables [Abstract]**                                                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] | Our Finance receivables, net, consist of the following:(in millions)2013 2012Retail portfolio$751 $1,048Wholesale portfolio1,207 1,128Total finance receivables1,958 2,176Less: Allowance for doubtful accounts23 27Total finance receivables, net1,935 2,149Less: Current portion, net(A)1,597 1,663Noncurrent portion,net$338 $486_________________________(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. |
| Schedule of Financing Receivables, Minimum Payments [Table Text Block]         | (in millions)Retail Portfolio Wholesale Portfolio TotalDue in:     2014$434 $1,207 $1,6412015169 — 1692016112 — 112201755 — 55201826 — 26Thereafter15 — 15Gross finance receivables811 1,207 2,018Unearned finance income60 — 60Total finance receivables$751 $1,207 $1,958                                                                                                                                                                                                           |
| Finance Revenues Derived From Receivables [Table Text Block]                   | The following table presents the components of our Finance revenues:(in millions)2013 2012 2011Retail notes and finance leases revenue$78 $98 $137Wholesale notes interest77 87 93Operating lease revenue51 40 32Retail and wholesale accounts interest27 34 27Securitization Income— — 2Gross finance revenues233 259 291Less: Intercompany revenues75 91 91Finance revenues$158 $168 $200                                                                                                                                                      |

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| - Definition
Finance Revenues Derived From Receivables [Table Text Block]
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No definition available.
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| - Definition
Tabular 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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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5
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| - Definition
Tabular disclosure of the annual minimum payments due from financing receivables, such as, but not limited to accounts, notes, loans, and other financing receivables.
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No definition available.
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