| **Consolidated Statements of Changes in Stockholder's Equity (USD $)In Millions, unless otherwise specified** | Total   | Common stock | Additional paid-in capital | Retained earnings | Accumulated other comprehensive income/(loss) | Noncontrolling interests |
|---------------------------------------------------------------------------------------------------------------|---------|--------------|----------------------------|-------------------|-----------------------------------------------|--------------------------|
| Balance at Dec. 31, 2012                                                                                      | $ 3,723 | $ 745        | $ 2                        | $ 2,694           | $ 176                                         | $ 106                    |
| **Increase (Decrease) in Stockholders' Equity [Roll Forward]**                                                |    |         |                       |              |                                          |                     |
| Profit of consolidated companies                                                                              | 258     |         |                       | 252               |                                          | 6                        |
| Dividend paid to Caterpillar                                                                                  | (100)   |         |                       | (100)             |                                          |                     |
| Foreign currency translation, net of tax                                                                      | (165)   |         |                       |              | (167)                                         | 2                        |
| Derivative financial instruments, net of tax                                                                  | 4       |         |                       |              | 4                                             |                     |
| Balance at Jun. 30, 2013                                                                                      | 3,720   | 745          | 2                          | 2,846             | 13                                            | 114                      |
| Balance at Dec. 31, 2013                                                                                      | 4,011   | 745          | 2                          | 3,024             | 117                                           | 123                      |
| **Increase (Decrease) in Stockholders' Equity [Roll Forward]**                                                |    |         |                       |              |                                          |                     |
| Profit of consolidated companies                                                                              | 287     |         |                       | 282               |                                          | 5                        |
| Dividend paid to Caterpillar                                                                                  | (200)   |         |                       | (200)             |                                          |                     |
| Foreign currency translation, net of tax                                                                      | 36      |         |                       |              | 37                                            | (1)                      |
| Derivative financial instruments, net of tax                                                                  | (2)     |         |                       |              | (2)                                           |                     |
| Balance at Jun. 30, 2014                                                                                      | $ 4,132 | $ 745        | $ 2                        | $ 3,106           | $ 152                                         | $ 127                    |

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.
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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
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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.
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