v3.3.0.814
Equity-Based Compensation - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Jan. 01, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Partnership grant units         165,943,809
Compensation expense in relation to equity-based awards $ 78,800 $ 202,800 $ 561,454 $ 584,353  
Tax benefits in relation to equity-based awards 9,000 $ 6,300 36,000 $ 19,900  
Estimated unrecognized compensation expense related to unvested awards $ 1,100,000   $ 1,100,000    
Weighted-average period for recognized compensation expense related to unvested awards, years 5 years 2 months 12 days        
Total vested and unvested outstanding units 1,192,166,487   1,192,166,487    
Phantom Share Units (PSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Total outstanding unvested phantom units 27,326   27,326    
Equity-Based Awards With Performance Conditions          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense in relation to equity-based awards     $ 3,400    
Equity-Based Awards With Performance Conditions | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance period of equity-based awards, in years     3 years    
Equity-Based Awards With Performance Conditions | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance period of equity-based awards, in years     5 years