Current report filing

Shared-Based Compensation - Schedule of Non-vested Awards (Details)

v3.8.0.1
Shared-Based Compensation - Schedule of Non-vested Awards (Details) - $ / shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Restricted Stock Share Awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Non-vested at January 1, 2017, Shares 5,700,000    
Non-vested at January 1, 2017, Weighted Average Grant Date Fair Value Per Share $ 24.12    
Granted, Shares 0    
Grants in Period, Weighted Average Grant Date Fair Value Per Share $ 0.00    
Vested, Shares (3,300,000)    
Vested, Weighted Average Grant Date Fair Value Per Share $ 23.80    
Forfeited, Shares (200,000)    
Forfeited, Weighted Average Grant Date Fair Value Per Share $ 28.28    
Non-vested at December 31, 2017, Shares 2,200,000 5,700,000  
Non-vested at December 31, 2017, Weighted Average Grant Date Fair Value Per Share $ 24.29 $ 24.12  
Restricted Share Unit And Performance Stock Unit Awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Non-vested at January 1, 2017, Shares 0    
Non-vested at January 1, 2017, Weighted Average Grant Date Fair Value Per Share $ 0.00    
Granted, Shares 1,400,000 [1] 0 0
Grants in Period, Weighted Average Grant Date Fair Value Per Share $ 47.16 [1] $ 0.00 $ 0.00
Vested, Shares 0    
Vested, Weighted Average Grant Date Fair Value Per Share $ 0.00    
Forfeited, Shares (100,000)    
Forfeited, Weighted Average Grant Date Fair Value Per Share $ 46.71    
Non-vested at December 31, 2017, Shares 1,300,000 0  
Non-vested at December 31, 2017, Weighted Average Grant Date Fair Value Per Share $ 47.18 $ 0.00  
Performance Units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Payment Award, Shares To Be Issued On Maximum Achievement Of Performance Under Target Awards, Maximum 200,000    
Phantom Unit Awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Non-vested at January 1, 2017, Shares 3,900,000    
Granted, Shares 0 1,800,000 5,900,000
Vested, Shares (1,800,000)    
Forfeited, Shares (300,000)    
Non-vested at December 31, 2017, Shares 1,800,000 3,900,000  
[1] This number excludes 0.2 million performance stock units, which represent the maximum number of common units that would be issued if the maximum level of performance under the target awards amount is achieved.