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FAIR VALUE MEASUREMENTS (Details 2) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Interest rate swaps from September 3, 2013 through July 1, 2018 | Term loan | Term Loan Facility due 2018          
Interest rate derivatives          
Amount of variable-rate debt hedged $ 150   $ 150    
Weighted average fixed interest rate (as a percent) 2.79%   2.79%    
Interest rate swaps          
Interest rate derivatives          
Amount recorded in net income related to ineffectiveness for interest rate hedges   $ 0   $ 0  
Hedges of cash flows | Interest rate swaps          
Interest rate derivatives          
Change in fair value of interest rate derivative instruments recognized in other comprehensive income $ 0 1 $ 1 1  
Hedges of cash flows | Interest rate swaps | Financial charges and other          
Interest rate derivatives          
Net realized loss related to the interest rate swaps 0 $ 1 1 $ 1  
Designated as hedge | Interest rate swaps | Recurring fair value measurement | Level 2          
Interest rate derivatives          
Fair value of derivatives, gross 2   2   $ 1
Fair value of derivatives, net $ 2   $ 2   $ 1