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, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Interest Income and Interest Expense [Line Items]
Interest expense	$ 172	[1]	$ 162	[1]	$ 512	[1]	$ 520	[1]
Interest income	14	[1]	15	[1]	47	[1]	41	[1]
Capitalized interest costs	$ 5		$ 4		$ 17		$ 12

[1] Interest expense and interest income exclude approximately $10 million and $29 million for the three months and nine months ended September 30, 2014 and $11 million and $35 million for the three months and nine months ended September 30, 2013, respectively, related to investments in and borrowings from variable interest entities for which the Company has a legal right of offset (see Note 13).