VARIABLE INTEREST ENTITIES AND PREFERRED SECURITIES OF SUBSIDIARIES Activity Between Company and Entities Footnotes (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Variable Interest Entity [Line Items] | ||||
| Accretion income for amortization of purchase accounting adjustment, financial assets | $ 5 | $ 5 | $ 14 | $ 14 |
| Accretion expense for amortization of purchase accounting adjustment, financial liabiities | $ 2 | $ 2 | $ 5 | $ 5 |