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DEBT (Narrative) (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Mar. 31, 2019
Debt Instrument [Line Items] |  |  |
Unamortized discount | $ 9,000,000 |  |
Proceeds from borrowings | 1,484,000,000 | $ 1,520,000,000 |
Repayments of debt | 1,448,000,000 | $ 1,553,000,000 |
Secured Receivables Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Proceeds from borrowings | 985,000,000 |  |
Repayments of debt | 1,145,000,000 |  |
4.20% Senior Notes due June 2029 |  |  |
Debt Instrument [Line Items] |  |  |
Face amount | $ 500,000,000 |  |
Debt instrument, interest rate | 4.20% |  |
Unamortized discount |  |  | $ 1,000,000
Debt issuance costs |  |  | $ 5,000,000

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