EQUITY (Details 2) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended			8 Months Ended	9 Months Ended
	Apr. 30, 2012	Jan. 31, 2012	May 31, 2011	Dec. 31, 2011	Sep. 30, 2012	Sep. 30, 2011
Class of Stock
Common stock repurchased (in shares)		1,327,000		18,942,000	20,269,000
Average Price Paid Per Share		$ 19.74		$ 19.75	$ 19.75
Maximum Dollar Value of Shares That May Yet Be Purchased Under the Program		$ 0		$ 26	$ 0
Preferred stock 7% mandatory convertible shares retired	298,700
Preferred stock, percent of mandatory convertible shares (as a percent)				7.00%	7.00%
Amount of common stock authorized to be repurchased			400
Shares repurchased, amount					26	196
Share repurchase program expiration date					09-May-12
6.25%, due 2018
Class of Stock
Principal amount of notes issued	141
Cash proceeds	142
Interest rate, stated percentage				6.25%	6.25%
8%, due 2020
Class of Stock
Principal amount of notes issued	150
Interest rate, stated percentage				8.00%	8.00%
Publicly Announced Program
Class of Stock
Common stock repurchased (in shares)		1,327,000		18,942,000	20,268,466