SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION (Schedule of Interest Income and Interest Expense) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Interest Income and Interest Expense [Line Items]
Interest expense	$ 162	[1]	$ 197	[1]	$ 520	[1]	$ 559	[1]
Interest income	15	[1]	34	[1]	41	[1]	56	[1]
Capitalized interest costs	$ 4		$ 10		$ 12		$ 29

[1] Interest expense and interest income exclude approximately $11 million and $35 million for the three months and nine months ended September 30, 2013 and $15 million and $35 million for the three months and nine months ended September 30, 2012, respectively, related to investments in and borrowings from variable interest entities for which the Company has a legal right of offset (see Note 13).