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Redeemable Preferred Units (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended
Apr. 30, 2018
Dec. 31, 2021
Jan. 31, 2021
Dec. 31, 2020
Apr. 02, 2018
Redeemable noncontrolling interests   $ 783   $ 762  
Preferred Units, Issued   72,184,780   0  
Preferred Stock, Redemption Price Per Share     $ 868    
USAC [Member]          
Redeemable noncontrolling interests   $ 477      
SemCAMS [Member]          
Redeemable noncontrolling interests   $ 291      
Preferred Stock, Shares Outstanding   300,000      
Energy Transfer Canada          
Dividends, Preferred Stock, Cash   $ 6      
ET [Member]          
Redeemable noncontrolling interests   $ 15      
Preferred Units [Member] | USAC [Member]          
Preferred Units, Issued         500,000
Distribution Made to Limited Partner, Distributions Declared, Per Unit $ 24.375        
Preferred Units [Member] | SemCAMS [Member]          
Preferred Units, Issued   367,521      
Canada, Dollars          
Preferred Stock, Redemption Price Per Share     $ 1,100    
Canada, Dollars | Energy Transfer Canada          
Dividends, Preferred Stock, Cash   $ 8