EQUITY (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	1 Months Ended											2 Months Ended	3 Months Ended				12 Months Ended			14 Months Ended
	Oct. 11, 2012	Dec. 31, 2013	Nov. 30, 2013	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	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013
Class of Stock
Reverse stock split approved	0.25
Common stock, authorized shares before reverse stock split		1,050,000,000												1,050,000,000				1,050,000,000			1,050,000,000
Common stock, authorized shares		262,500,000											262,500,000	262,500,000				262,500,000	262,500,000		262,500,000
Number of fractional shares issued in connection with the stock split	0
Amount of common stock authorized to be repurchased												$ 500
Amount paid for repurchase																		400	126	374	500
Common stock repurchased (in shares)		1,594,000	796,000	1,431,000	1,045,000	166,000	1,065,000	933,000	1,010,000	914,000	531,000		3,406,000	2,390,000	2,642,000	1,998,000	2,455,000				12,891,000
Average Price Paid Per Share		$ 41.62	$ 42.28	$ 40.35	$ 40.43	$ 46.08	$ 45.71	$ 46.78	$ 43.95	$ 39.30	$ 37.13		$ 29.36	$ 41.84	$ 40.75	$ 46.21	$ 40.74				$ 38.79
Maximum Dollar Value of Shares That May Yet Be Purchased Under the Program		$ 0	$ 66	$ 100	$ 158	$ 200	$ 208	$ 256	$ 300	$ 344	$ 380		$ 400	$ 0	$ 100	$ 208	$ 300				$ 0
Publicly Announced Program
Class of Stock
Common stock repurchased (in shares)		1,594,000	796,000	1,431,000	1,045,000	166,000	1,065,000	933,000	1,010,000	914,000	531,000		3,406,000	2,390,000	2,642,000	1,998,000	2,455,000				12,891,000