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Share-Based Compensation - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense $ 162,000,000 $ 74,000,000 $ 313,000,000
Cash-based LTI plan termination compensation expense reduction   25,000,000  
Stock Compensation Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense 96,000,000 90,000,000 1,000,000
Tax benefit 37,000,000 34,000,000  
Liability, current 7,000,000 12,000,000  
Unrecognized compensation costs $ 96,000,000 $ 98,000,000  
Weighted-average remaining period of unrecognized compensation costs 1 year 8 months    
Shares reserved for future issuance 68,627,645    
Stock Compensation Plan [Member] | EBITDA CAGR [member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average grant date fair value, granted $ 27.46    
Stock Compensation Plan [Member] | Stock Options [member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Grant date fair value 8.39 $ 7.58  
Stock Compensation Plan [Member] | Relative shareholder return [member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average grant date fair value, granted $ 32.98    
Stock Compensation Plan [Member] | Deferred Share Units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
DSU Shares Issued 18,538    
Weighted average grant date fair value, granted $ 28.32    
Promote Plan [member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense $ 66,000,000 $ 32,000,000 313,000,000
Incremental compensation cost     306,000,000
Liabilities paid   $ 4,000,000 65,000,000
Promote Plan [member] | Tier I [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Incremental compensation cost     52,000,000
Promote Plan [member] | Performance Condition [member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense     $ 0
Promote Plan [member] | Immediate [member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights     40 percent of each award vested on December 11, 2013, the pricing date of our IPO
Promote Plan [member] | 1 year [member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights     40 percent of each award vested on December 11, 2014, the first anniversary of the pricing date of our IPO, contingent upon continued employment through that date
Promote Plan [member] | Sponsor less than 50 percent ownership [member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights     20 percent of each award vested on May 14, 2015, the date that Blackstone and their affiliates ceased to own 50 percent or more of the shares of the Company, contingent upon continued employment through that date