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Non-Cash Compensation Plans Subsidiary Unit-Based Compensation Plans (Details) - $ / shares
shares in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested awards 36.1 29.4  
Unvested awards $ 9,490,000 $ 11.26  
Awards granted 11.9    
Awards granted $ 8.46    
Awards vested (6.4)    
Awards vested $ 15.10    
Awards forfeited 1.5    
Awards forfeited $ 11.23    
Sunoco LP Unit Based Compensation Plans [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested awards 2.0 2.1  
Unvested awards $ 30.92 $ 28.63  
Awards granted 0.5    
Awards granted $ 37.72 $ 28.63 $ 30.70
Awards vested (0.5)    
Awards vested $ 27.06    
Awards forfeited 0.1    
Awards forfeited $ 28.57    
USAC Unit Based Compensation Plans [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested awards 2.2 2.1  
Unvested awards $ 13.57 $ 14.88  
Awards granted 0.6    
Awards granted $ 14.92 $ 12.55 $ 15.88
Awards vested (0.4)    
Awards vested $ 15.13    
Awards forfeited 0.1    
Awards forfeited $ 14.50