VARIABLE INTEREST ENTITIES AND PREFERRED SECURITIES OF SUBSIDIARIES Activity Between Company and Entities Footnotes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2006
Variable Interest Entity [Line Items]
Accretion income for amortization of purchase accounting adjustment, financial assets	$ 4	$ 4	$ 9	$ 9
Accretion expense for amortization of purchase accounting adjustment, financial liabiities	$ 1	$ 1	$ 3	$ 3
Variable Interest Entity, Not Primary Beneficiary [Member] | Class B Interest In Entities [Member]
Variable Interest Entity [Line Items]
Other Ownership Interests, Contributed Capital					$ 5,000