SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION (Schedule of Interest Income and Interest Expense) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Interest Income and Interest Expense [Line Items]
Interest expense	$ 159	[1]	$ 164	[1]
Interest income	22	[1]	21	[1]
Capitalized interest costs	$ 7		$ 6

[1] Interest expense and interest income exclude approximately $9 million for the three months ended March 31, 2015 and $10 million for the three months ended March 31, 2014 related to investments in and borrowings from variable interest entities for which the Company has a legal right of offset (see Note 13).