| **Financing Activities (Details) (USD $)In Millions, unless otherwise specified** | 3 Months Ended | 9 Months Ended |        |
|-----------------------------------------------------------------------------------|----------------|----------------|--------|
||
| Customer                                                                          |           |           |   |   |   |
| **Financing Receivable, Impaired**                                                |           |           |   |   |   |
| Recorded Investment With No Allowance Recorded                                    | $ 523          |           | $ 523  |   | $ 378 |
| Unpaid Principal Balance With No Allowance Recorded                               | 520            |           | 520    |   | 377 |
| Related Allowance With No Allowance Recorded                                      | 0              |           | 0      |   | 0 |
| Recorded Investment With An Allowance Recorded                                    | 213            |           | 213    |   | 215 |
| Unpaid Principal Balance With An Allowance Recorded                               | 202            |           | 202    |   | 207 |
| Related Allowance                                                                 | 60             |           | 60     |   | 54 |
| Recorded Investment, Total                                                        | 736            |           | 736    |   | 593 |
| Unpaid Principal Balance, Total                                                   | 722            |           | 722    |   | 584 |
| Related Allowance, Total                                                          | 60             |           | 60     |   | 54 |
| Average Recorded Investment With No Allowance Recorded                            | 468            | 323            | 414    | 323 |   |
| Interest Income Recognized With No Allowance Recorded                             | 3              | 2              | 7      | 5 |   |
| Average Recorded Investment With An Allowance Recorded                            | 262            | 210            | 247    | 177 |   |
| Interest Income Recognized With An Allowance Recorded                             | 2              | 2              | 5      | 3 |   |
| Average Recorded Investment, Total                                                | 730            | 533            | 661    | 500 |   |
| Interest Income Recognized, Total                                                 | 5              | 4              | 12     | 8 |   |
| Customer | North America                                                          |           |           |   |   |   |
| **Financing Receivable, Impaired**                                                |           |           |   |   |   |
| Recorded Investment With No Allowance Recorded                                    | 20             |           | 20     |   | 28 |
| Unpaid Principal Balance With No Allowance Recorded                               | 19             |           | 19     |   | 27 |
| Related Allowance With No Allowance Recorded                                      | 0              |           | 0      |   | 0 |
| Recorded Investment With An Allowance Recorded                                    | 16             |           | 16     |   | 25 |
| Unpaid Principal Balance With An Allowance Recorded                               | 14             |           | 14     |   | 23 |
| Related Allowance                                                                 | 4              |           | 4      |   | 7 |
| Recorded Investment, Total                                                        | 36             |           | 36     |   | 53 |
| Unpaid Principal Balance, Total                                                   | 33             |           | 33     |   | 50 |
| Related Allowance, Total                                                          | 4              |           | 4      |   | 7 |
| Average Recorded Investment With No Allowance Recorded                            | 23             | 41             | 26     | 56 |   |
| Interest Income Recognized With No Allowance Recorded                             | 0              | 1              | 3      | 2 |   |
| Average Recorded Investment With An Allowance Recorded                            | 14             | 25             | 18     | 25 |   |
| Interest Income Recognized With An Allowance Recorded                             | 0              | 0              | 0      | 0 |   |
| Average Recorded Investment, Total                                                | 37             | 66             | 44     | 81 |   |
| Interest Income Recognized, Total                                                 | 0              | 1              | 3      | 2 |   |
| Customer | Europe                                                                 |           |           |   |   |   |
| **Financing Receivable, Impaired**                                                |           |           |   |   |   |
| Recorded Investment With No Allowance Recorded                                    | 53             |           | 53     |   | 45 |
| Unpaid Principal Balance With No Allowance Recorded                               | 52             |           | 52     |   | 45 |
| Related Allowance With No Allowance Recorded                                      | 0              |           | 0      |   | 0 |
| Recorded Investment With An Allowance Recorded                                    | 19             |           | 19     |   | 28 |
| Unpaid Principal Balance With An Allowance Recorded                               | 15             |           | 15     |   | 26 |
| Related Allowance                                                                 | 7              |           | 7      |   | 11 |
| Recorded Investment, Total                                                        | 72             |           | 72     |   | 73 |
| Unpaid Principal Balance, Total                                                   | 67             |           | 67     |   | 71 |
| Related Allowance, Total                                                          | 7              |           | 7      |   | 11 |
| Average Recorded Investment With No Allowance Recorded                            | 52             | 45             | 48     | 45 |   |
| Interest Income Recognized With No Allowance Recorded                             | 0              | 0              | 0      | 0 |   |
| Average Recorded Investment With An Allowance Recorded                            | 21             | 27             | 23     | 26 |   |
| Interest Income Recognized With An Allowance Recorded                             | 0              | 1              | 1      | 1 |   |
| Average Recorded Investment, Total                                                | 73             | 72             | 71     | 71 |   |
| Interest Income Recognized, Total                                                 | 0              | 1              | 1      | 1 |   |
| Customer | Asia/Pacific                                                           |           |           |   |   |   |
| **Financing Receivable, Impaired**                                                |           |           |   |   |   |
| Recorded Investment With No Allowance Recorded                                    | 2              |           | 2      |   | 2 |
| Unpaid Principal Balance With No Allowance Recorded                               | 2              |           | 2      |   | 2 |
| Related Allowance With No Allowance Recorded                                      | 0              |           | 0      |   | 0 |
| Recorded Investment With An Allowance Recorded                                    | 22             |           | 22     |   | 19 |
| Unpaid Principal Balance With An Allowance Recorded                               | 22             |           | 22     |   | 19 |
| Related Allowance                                                                 | 6              |           | 6      |   | 4 |
| Recorded Investment, Total                                                        | 24             |           | 24     |   | 21 |
| Unpaid Principal Balance, Total                                                   | 24             |           | 24     |   | 21 |
| Related Allowance, Total                                                          | 6              |           | 6      |   | 4 |
| Average Recorded Investment With No Allowance Recorded                            | 3              | 3              | 4      | 4 |   |
| Interest Income Recognized With No Allowance Recorded                             | 0              | 0              | 0      | 0 |   |
| Average Recorded Investment With An Allowance Recorded                            | 18             | 15             | 18     | 13 |   |
| Interest Income Recognized With An Allowance Recorded                             | 0              | 0              | 1      | 1 |   |
| Average Recorded Investment, Total                                                | 21             | 18             | 22     | 17 |   |
| Interest Income Recognized, Total                                                 | 0              | 0              | 1      | 1 |   |
| Customer | Mining                                                                 |           |           |   |   |   |
| **Financing Receivable, Impaired**                                                |           |           |   |   |   |
| Recorded Investment With No Allowance Recorded                                    | 127            |           | 127    |   | 1 |
| Unpaid Principal Balance With No Allowance Recorded                               | 127            |           | 127    |   | 1 |
| Related Allowance With No Allowance Recorded                                      | 0              |           | 0      |   | 0 |
| Recorded Investment With An Allowance Recorded                                    | 0              |           | 0      |   | 0 |
| Unpaid Principal Balance With An Allowance Recorded                               | 0              |           | 0      |   | 0 |
| Related Allowance                                                                 | 0              |           | 0      |   | 0 |
| Recorded Investment, Total                                                        | 127            |           | 127    |   | 1 |
| Unpaid Principal Balance, Total                                                   | 127            |           | 127    |   | 1 |
| Related Allowance, Total                                                          | 0              |           | 0      |   | 0 |
| Average Recorded Investment With No Allowance Recorded                            | 96             | 9              | 40     | 8 |   |
| Interest Income Recognized With No Allowance Recorded                             | 2              | 1              | 2      | 1 |   |
| Average Recorded Investment With An Allowance Recorded                            | 0              | 0              | 1      | 0 |   |
| Interest Income Recognized With An Allowance Recorded                             | 0              | 0              | 0      | 0 |   |
| Average Recorded Investment, Total                                                | 96             | 9              | 41     | 8 |   |
| Interest Income Recognized, Total                                                 | 2              | 1              | 2      | 1 |   |
| Customer | Latin America                                                          |           |           |   |   |   |
| **Financing Receivable, Impaired**                                                |           |           |   |   |   |
| Recorded Investment With No Allowance Recorded                                    | 16             |           | 16     |   | 7 |
| Unpaid Principal Balance With No Allowance Recorded                               | 16             |           | 16     |   | 7 |
| Related Allowance With No Allowance Recorded                                      | 0              |           | 0      |   | 0 |
| Recorded Investment With An Allowance Recorded                                    | 62             |           | 62     |   | 30 |
| Unpaid Principal Balance With An Allowance Recorded                               | 62             |           | 62     |   | 30 |
| Related Allowance                                                                 | 18             |           | 18     |   | 8 |
| Recorded Investment, Total                                                        | 78             |           | 78     |   | 37 |
| Unpaid Principal Balance, Total                                                   | 78             |           | 78     |   | 37 |
| Related Allowance, Total                                                          | 18             |           | 18     |   | 8 |
| Average Recorded Investment With No Allowance Recorded                            | 14             | 6              | 11     | 6 |   |
| Interest Income Recognized With No Allowance Recorded                             | 0              | 0              | 0      | 0 |   |
| Average Recorded Investment With An Allowance Recorded                            | 53             | 37             | 44     | 26 |   |
| Interest Income Recognized With An Allowance Recorded                             | 1              | 1              | 2      | 1 |   |
| Average Recorded Investment, Total                                                | 67             | 43             | 55     | 32 |   |
| Interest Income Recognized, Total                                                 | 1              | 1              | 2      | 1 |   |
| Customer | Caterpillar Power Finance                                              |           |           |   |   |   |
| **Financing Receivable, Impaired**                                                |           |           |   |   |   |
| Recorded Investment With No Allowance Recorded                                    | 305            |           | 305    |   | 295 |
| Unpaid Principal Balance With No Allowance Recorded                               | 304            |           | 304    |   | 295 |
| Related Allowance With No Allowance Recorded                                      | 0              |           | 0      |   | 0 |
| Recorded Investment With An Allowance Recorded                                    | 94             |           | 94     |   | 113 |
| Unpaid Principal Balance With An Allowance Recorded                               | 89             |           | 89     |   | 109 |
| Related Allowance                                                                 | 25             |           | 25     |   | 24 |
| Recorded Investment, Total                                                        | 399            |           | 399    |   | 408 |
| Unpaid Principal Balance, Total                                                   | 393            |           | 393    |   | 404 |
| Related Allowance, Total                                                          | 25             |           | 25     |   | 24 |
| Average Recorded Investment With No Allowance Recorded                            | 280            | 219            | 285    | 204 |   |
| Interest Income Recognized With No Allowance Recorded                             | 1              | 0              | 2      | 2 |   |
| Average Recorded Investment With An Allowance Recorded                            | 156            | 106            | 143    | 87 |   |
| Interest Income Recognized With An Allowance Recorded                             | 1              | 0              | 1      | 0 |   |
| Average Recorded Investment, Total                                                | 436            | 325            | 428    | 291 |   |
| Interest Income Recognized, Total                                                 | 2              | 0              | 3      | 2 |   |
| Dealer                                                                            |           |           |   |   |   |
| **Financing Receivable, Impaired**                                                |           |           |   |   |   |
| Recorded Investment, Total                                                        | 0              |           | 0      |   | 0 |
| Average Recorded Investment, Total                                                | 0              | 0              | 0      | 0 |   |
| Caterpillar Purchased Receivables                                                 |           |           |   |   |   |
| **Financing Receivable, Impaired**                                                |           |           |   |   |   |
| Recorded Investment, Total                                                        | 0              |           | 0      |   | 0 |
| Average Recorded Investment, Total                                                | $ 0            | $ 0            | $ 0    | $ 0 |   |

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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
+ References
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Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.
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Amount of allowance for credit losses related to recorded investment.
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Amount of interest income, recognized on cash basis, on financing receivables, for which there is no related allowance for credit losses and are recognized as impaired.
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