| **Consolidated Statements of Financial Position - USD ($) $ in Millions**                                   | Jun. 30, 2018 | Dec. 31, 2017 |
|-------------------------------------------------------------------------------------------------------------|---------------|---------------|
| **Assets:**                                                                                                 |          |          |
| Cash and cash equivalents                                                                                   | $ 751         | $ 708         |
| Finance receivables, net                                                                                    | 27,739        | 27,126        |
| Notes receivable from Caterpillar                                                                           | 646           | 559           |
| Equipment on operating leases, less accumulated depreciation                                                | 3,633         | 3,568         |
| Deferred and refundable income taxes                                                                        | 188           | 174           |
| Other assets                                                                                                | 1,132         | 1,025         |
| Total assets                                                                                                | 34,089        | 33,160        |
| **Liabilities and shareholder's equity:**                                                                   |          |          |
| Payable to dealers and others                                                                               | 148           | 190           |
| Payable to Caterpillar - other                                                                              | 63            | 85            |
| Accrued expenses                                                                                            | 228           | 274           |
| Income taxes payable                                                                                        | 145           | 158           |
| Payable to Caterpillar - borrowings                                                                         | 1,523         | 1,638         |
| Short-term borrowings                                                                                       | 6,185         | 4,836         |
| Current maturities of long-term debt                                                                        | 6,241         | 6,188         |
| Long-term debt                                                                                              | 15,717        | 15,918        |
| Deferred income taxes and other liabilities                                                                 | 598           | 609           |
| Total liabilities                                                                                           | 30,848        | 29,896        |
| Commitments and contingent liabilities (Notes 7 and 9)                                                      |               |               |
| Common stock - $1 par value Authorized: 2,000 shares; Issued and outstanding: one share (at paid-in amount) | 745           | 745           |
| Additional paid-in capital                                                                                  | 2             | 2             |
| Retained earnings                                                                                           | 3,131         | 2,969         |
| Accumulated other comprehensive income/(loss)                                                               | (784)         | (592)         |
| Noncontrolling interests                                                                                    | 147           | 140           |
| Total shareholder's equity                                                                                  | 3,241         | 3,264         |
| Total liabilities and shareholder's equity                                                                  | $ 34,089      | $ 33,160      |

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| - Definition
Includes, as of the balance sheet date, 1) the aggregate tax effects of all future tax deductions arising from temporary differences between tax basis and GAAP basis recognition of assets, liabilities, revenues and expenses, which can only be deducted for tax purposes when permitted under enacted tax laws; after deducting any allocated valuation allowance. 2) carrying amount due from tax authorities representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.
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The aggregate tax effects as of the balance sheet date of all future taxable amounts arising from temporary differences between tax basis and generally accepted accounting principles basis recognition of assets, liabilities, revenues and expenses, which will become taxable pursuant to enacted tax laws. Also, includes the aggregate carrying amount, as of the balance sheet date, of current obligations not separately disclosed in the balance sheet due to materiality considerations.
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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.
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Amount for accounts payable to related parties.
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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.
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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.
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Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.
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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
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| - Definition
Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable.
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| - Definition
Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.
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Amount of par value plus amounts in excess of par value or issuance value for common stock issued.
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Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.
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Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).
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The amount for notes payable (written promise to pay), due to related parties.
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For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.
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Amount of assets classified as other.
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| - Definition
The amount of property, by major property class, net of accumulated depreciation, subject to or available for lease as of the balance sheet date.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cumulative amount of the reporting entity's undistributed earnings or deficit.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.
+ References
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes.
+ References
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