STOCK-BASED COMPENSATION (Details 5) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Range One
Stock-based compensation
Exercise price range, low end of range (in dollars per share)	$ 8
Exercise price range, high end of range (in dollars per share)	$ 21
Option Shares Outstanding, Number of Shares	10
Option Shares Outstanding, Weighted Average Remaining Option Term	5 years
Option Shares Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 14
Option Shares Exercisable, Number of Shares	7
Option Shares Exercisable, Weighted Average Exercise price (in dollars per share)	$ 14
Range Two
Stock-based compensation
Exercise price range, low end of range (in dollars per share)	$ 22
Exercise price range, high end of range (in dollars per share)	$ 28
Option Shares Outstanding, Number of Shares	3
Option Shares Outstanding, Weighted Average Remaining Option Term	2 years
Option Shares Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 26
Option Shares Exercisable, Number of Shares	3
Option Shares Exercisable, Weighted Average Exercise price (in dollars per share)	$ 27
Range Three
Stock-based compensation
Exercise price range, low end of range (in dollars per share)	$ 29
Exercise price range, high end of range (in dollars per share)	$ 31
Option Shares Outstanding, Number of Shares	5
Option Shares Outstanding, Weighted Average Remaining Option Term	1 year
Option Shares Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 31
Option Shares Exercisable, Number of Shares	5
Option Shares Exercisable, Weighted Average Exercise price (in dollars per share)	$ 31
Range Four
Stock-based compensation
Exercise price range, low end of range (in dollars per share)	$ 33
Exercise price range, high end of range (in dollars per share)	$ 34
Option Shares Outstanding, Weighted Average Remaining Option Term	1 year
Option Shares Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 33
Option Shares Exercisable, Weighted Average Exercise price (in dollars per share)	$ 33
Range Five
Stock-based compensation
Exercise price range, low end of range (in dollars per share)	$ 8
Exercise price range, high end of range (in dollars per share)	$ 34
Option Shares Outstanding, Number of Shares	18
Option Shares Outstanding, Weighted Average Remaining Option Term	4 years
Option Shares Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 21
Option Shares Exercisable, Number of Shares	15
Option Shares Exercisable, Weighted Average Exercise price (in dollars per share)	$ 22