| **BORROWINGS (Narrative) (Details) - USD ($)**                                                                                                                                                                                                                                                                                  | Sep. 30, 2015 | Jul. 17, 2015    | Apr. 17, 2015   | Jan. 12, 2015   | Dec. 31, 2014 | Sep. 30, 2014    |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------|------------------|-----------------|-----------------|---------------|------------------|
| **Debt Instrument [Line Items]**                                                                                                                                                                                                                                                                                                |               |             |            |            |          |             |   |
| Total borrowings and other debt obligations                                                                                                                                                                                                                                                                                     | [1]           | $ 48,371,320,000 |            |            |          | $ 39,679,382,000 |   |
| Borrowings repurchase                                                                                                                                                                                                                                                                                                           |               | $ 0              |            |            |          |             | $ 600,000 |
| Senior Notes | 2.00% senior notes, due January 2018                                                                                                                                                                                                                                                                             |               |             |            |            |          |             |   |
| **Debt Instrument [Line Items]**                                                                                                                                                                                                                                                                                                |               |             |            |            |          |             |   |
| Aggregate principal amount                                                                                                                                                                                                                                                                                                      |               |             |            |            | $ 750,000,000 |             |   |
| Stated interest rate                                                                                                                                                                                                                                                                                                            |               |             |            |            | 2.00%         |             |   |
| Senior Notes | Senior Floating Rate Notes Due January 2018                                                                                                                                                                                                                                                                      |               |             |            |            |          |             |   |
| **Debt Instrument [Line Items]**                                                                                                                                                                                                                                                                                                |               |             |            |            |          |             |   |
| Aggregate principal amount                                                                                                                                                                                                                                                                                                      |               |             |            |            | $ 250,000,000 |             |   |
| Senior Notes | 2.65% senior notes, due April 2020                                                                                                                                                                                                                                                                               |               |             |            |            |          |             |   |
| **Debt Instrument [Line Items]**                                                                                                                                                                                                                                                                                                |               |             |            |            |          |             |   |
| Aggregate principal amount                                                                                                                                                                                                                                                                                                      |               |             |            | $ 1,000,000,000 |          |             |   |
| Stated interest rate                                                                                                                                                                                                                                                                                                            |               |             |            | 2.65%           |          |             |   |
| Senior Notes | 4.50% senior notes, due July 2025                                                                                                                                                                                                                                                                                |               |             |            |            |          |             |   |
| **Debt Instrument [Line Items]**                                                                                                                                                                                                                                                                                                |               |             |            |            |          |             |   |
| Aggregate principal amount                                                                                                                                                                                                                                                                                                      |               |             | $ 1,100,000,000 |            |          |             |   |
| Stated interest rate                                                                                                                                                                                                                                                                                                            |               |             | 4.50%           |            |          |             |   |
|                                                                                                                                                                                                                                                                                                                                 |
| [1]The Company has interests in certain securitization trusts ("Trusts") that are considered variable interest entities ("VIEs") for accounting purposes. The Company consolidates VIEs where it is deemed the primary beneficiary. See Note 7 to these Condensed Consolidated Financial Statements for additional information. |

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| - Definition
Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.
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Face (par) amount of debt instrument at time of issuance.
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Contractual interest rate for funds borrowed, under the debt agreement.
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Fair value amount of debt instrument that was repurchased.
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