SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION (Schedule of Interest Income and Interest Expense) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Interest Income and Interest Expense [Line Items]
Interest expense	$ 177	[1]	$ 181	[1]	$ 340	[1]	$ 358	[1]
Interest income	12	[1]	13	[1]	33	[1]	26	[1]
Capitalized interest costs	$ 6		$ 4		$ 12		$ 8

[1] Interest expense and interest income exclude approximately $9 million and $19 million for the three months and six months ended June 30, 2014 and $11 million and $24 million for the three months and six months ended June 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).