| **Consolidated Statements of Comprehensive Income - USD ($) $ in Millions**            | 3 Months Ended | 6 Months Ended |
|----------------------------------------------------------------------------------------|----------------|----------------|
||
| **Statement of Comprehensive Income [Abstract]**                                       |           |           |   |   |
| Profit of consolidated companies                                                       | $ 64           | $ 84           | $ 158 | $ 188 |
| **Other comprehensive income (loss), net of tax:**                                     |           |           |   |   |
| Foreign currency translation, net of tax (expense)/benefit                             | 125            | 18             | (182) | 33 |
| **Derivative financial instruments:**                                                  |           |           |   |   |
| Gains (losses) deferred, net of tax (expense)/benefit                                  | (35)           | (19)           | 32 | (22) |
| (Gains) losses reclassified to earnings, net of tax expense/(benefit)                  | 42             | (3)            | (19) | (14) |
| Total Other comprehensive income (loss), net of tax                                    | 132            | (4)            | (169) | (3) |
| Comprehensive income (loss)                                                            | 196            | 80             | (11) | 185 |
| Less: Comprehensive income (loss) attributable to the noncontrolling interests         | 4              | 3              | 7 | 11 |
| Comprehensive income (loss) attributable to Caterpillar Financial Services Corporation | $ 192          | $ 77           | $ (18) | $ 174 |

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| - Definition
Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.
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Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
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Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
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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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Amount after tax and reclassification adjustments of other comprehensive income (loss).
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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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