EQUITY (Details 2) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended									2 Months Ended	3 Months Ended			9 Months Ended		11 Months Ended
	Sep. 30, 2013	Aug. 31, 2013	Jul. 31, 2013	Jun. 30, 2013	May 31, 2013	Mar. 31, 2013	Feb. 28, 2013	Jan. 31, 2013	Oct. 31, 2012	Dec. 31, 2012	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013
Class of Stock
Amount of common stock authorized to be repurchased									$ 500
Payments made for repurchase of common stock														300	26
Common stock repurchased (in shares)	1,431,000	1,045,000	166,000	1,065,000	933,000	1,010,000	914,000	531,000		3,406,000	2,642,000	1,998,000	2,455,000			10,501,173
Average Price Paid Per Share	$ 40.35	$ 40.43	$ 46.08	$ 45.71	$ 46.78	$ 43.95	$ 39.30	$ 37.13		$ 29.36	$ 40.75	$ 46.21	$ 40.74			$ 38.09
Maximum Dollar Value of Shares That May Yet Be Purchased Under the Program	$ 100	$ 158	$ 200	$ 208	$ 256	$ 300	$ 344	$ 380		$ 400	$ 100	$ 208	$ 300			$ 100
Publicly Announced Program
Class of Stock
Common stock repurchased (in shares)	1,431,000	1,045,000	166,000	1,065,000	933,000	1,010,000	914,000	531,000		3,406,000	2,642,000	1,998,000	2,455,000			10,501,000