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EQUITY-BASED COMPENSATION (Tables)
 9 Months Ended
Sep. 30, 2013
Equity Based Compensation Table [Abstract]  
Schedule of Equity-Based Compensation Expense

Equity-based compensation expense recognized for the three and nine months ended September 30, 2013 and 2012 was as follows (in millions):

           Three Months Ended Nine Months Ended
           September 30, September 30,
           2013 2012 2013 2012
Restricted stock units$ 19 $ 18 $ 69 $ 67
Stock options  7   8   31   37
Total equity-based compensation expense$ 26 $ 26 $ 100 $ 104
Schedule of Stock Options Valuation Assumptions

The table below presents the assumptions used to value stock options at their grant date for the nine months ended September 30, 2013 and 2012 and reflects the weighted average of all awards granted within each period:

                 Nine Months Ended
                 September 30,
                 2013 2012
Expected volatility 26.14%  30.03%
Expected term to exercise from grant date (in years)  5.94   6.43
Risk-free rate 1.19%  1.35%
Expected dividend yield 2.97%  2.91%