SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION (Schedule of Interest Income and Interest Expense) (Parenthetical) (Details) (Variable Interest Entity, Not Primary Beneficiary [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Variable Interest Entity, Not Primary Beneficiary [Member]
Amounts Related To Interest [Line Items]
Interest expense and interest income excluded, amount	$ (11)	$ (15)	$ (35)	$ (35)