STOCKHOLDERS' EQUITY (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended						6 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2015	Jun. 30, 2014
Stockholder's Equity Narrative [Details]
Dividends per common share	$ 0.38	$ 0.38	$ 0.33	$ 0.33	$ 0.33	$ 0.33	$ 0.76	$ 0.66
Share repurchase authorization remaining available	$ 547						$ 547
Treasury stock value acquired cost method							$ 149	$ 57
Reissuance of shares for employee benefit plan	0.4				0.4		1.2	0.8
Share Repurchases Open Market [Member]
Stockholder's Equity Narrative [Details]
Treasury stock shares acquired	0.6				0.4		2.1	1.0
Treasury stock acquired average cost per share	$ 72.03				$ 57.74		$ 71.62	$ 54.84
Treasury stock value acquired cost method	$ 39				$ 25		$ 149	$ 57