SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION (Schedule of Interest Income and Interest Expense) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest Income and Interest Expense [Line Items]
Interest expense	[1]	$ 158	$ 172	$ 481	$ 512
Interest income	[1]	17	14	59	47
Capitalized interest costs		$ 5	$ 5	$ 19	$ 17

[1] Interest expense and interest income exclude approximately $7 million and $25 million for the three months and nine months ended September 30, 2015 and $10 million and $29 million for the three months and nine months ended September 30, 2014, respectively related to investments in and borrowings from variable interest entities for which the Company has a legal right of offset (see Note 13).