VARIABLE INTEREST ENTITIES AND PREFERRED SECURITIES OF SUBSIDIARIES Activity Between Company and Entities (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
2015 Financing Entities
Variable Interest Entity [Line Items]
Revenue	[1]	$ 24	$ 24	$ 71	$ 71
Expense	[1]	32	32	96	96
Cash receipts	[2]	48	48	95	95
Cash payments	[3]	64	64	128	128
2007 Financing Entities
Variable Interest Entity [Line Items]
Revenue	[4]	19	12	52	35
Expense	[5]	18	13	48	36
Cash receipts	[6]	15	7	34	19
Cash payments	[7]	$ 16	$ 10	$ 40	$ 28

[1] The revenue and expense are included in Interest expense, net in the accompanying statement of operations.

[2] The cash receipts are interest received on the Financial assets of special purpose entities.

[3] The cash payments represent interest paid on Nonrecourse financial liabilities of special purpose entities.

[4] The revenue is included in Interest expense, net in the accompanying statement of operations and includes approximately $5 million and $14 million for both of the three and nine months ended September 30, 2018 and 2017, respectively, of accretion income for the amortization of the basis difference adjustment on the Financial assets of special purpose entities.

[5] The expense is included in Interest expense, net in the accompanying statement of operations and includes approximately $2 million and $5 million for both of the three and nine months ended September 30, 2018 and 2017, respectively, of accretion expense for the amortization of the basis difference adjustment on the Nonrecourse financial liabilities of special purpose entities.

[6] The cash receipts are interest received on the Financial assets of special purpose entities.

[7] The cash payments are interest paid on Nonrecourse financial liabilities of special purpose entities.