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Equity Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 31, 2018
Apr. 30, 2018
Feb. 28, 2018
Jan. 31, 2018
Jun. 30, 2018
Dec. 31, 2018
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2020
Dec. 31, 2019
Apr. 02, 2018
Dec. 31, 2017
Payments for Repurchase of Common Stock             $ 24.0 $ 0.0 [1]        
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments, Net of Tax             $ 2.0          
Limited Partners' Capital Account, Units Outstanding         1,158,200,000   1,158,200,000         1,079,145,561
Stock Issued During Period, Shares, Conversion of Units             79,100,000          
Series A Convertible Preferred Units         $ 0.0   $ 0.0         $ 450.0
Losses from subsidiary common unit transactions             (125.0) (51.0)        
Units issued for cash             0.0 568.0 [1]        
Stock Repurchase Program, Remaining Authorized Repurchase Amount         $ 936.0   936.0          
Payments for Repurchase of Preferred Stock and Preference Stock             $ 0.0 $ 53.0 [1]        
ETP [Member]                        
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.         27,500,000   27,500,000          
Equity Distribution Agreements, Value of Units Available to be Issued         $ 752.0   $ 752.0          
Equity Distribution Agreement, Maximum Aggregate Value Of Common Units             1,000.0          
Stock Issued During Period, Value, Dividend Reinvestment Plan             39.0          
Proceeds From Issuance Of Common Limited Partners Units Under Equity Distribution Agreement             $ 0.0          
Sunoco LP [Member]                        
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.         2,300,000   2,300,000          
Payments for Repurchase of Common Stock     $ 540.0                  
Stock Repurchased During Period, Shares     17,286,859                  
USAC [Member]                        
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.         20,500,000   20,500,000          
Limited Partners' Capital Account, Units Outstanding         89,953,049   89,953,049          
Stock Issued During Period, Value, Dividend Reinvestment Plan             $ 0.2          
Stock Issued During Period, Shares, Dividend Reinvestment Plan             11,776          
ETE [Member]                        
Equity Distribution Agreements, Value of Units Available to be Issued         $ 1,000.0   $ 1,000.0          
Proceeds From Issuance Of Common Limited Partners Units Under Equity Distribution Agreement             $ 0.0          
Series A Preferred Units [Member]                        
Preferred Stock, Shares Issued         950,000   950,000          
Series A Preferred Units [Member] | Sunoco LP [Member]                        
Preferred Stock Redemption Premium       $ 313.0                
Payments for Repurchase of Preferred Stock and Preference Stock       $ 300.0                
Call premium on preferred units.       1.00%                
Series B Preferred Units [Member]                        
Preferred Stock, Shares Issued         550,000   550,000          
Series C Preferred Units [Member]                        
Preferred Units, Issued   18,000,000                    
Preferred Stock, Dividend Rate, Percentage   7.375%                    
Shares Issued, Price Per Share   $ 25                    
Proceeds from Issuance of Preferred Limited Partners Units   $ 450.0                    
Preferred Units, Liquidation Spread, Percent   4.53%                    
Convertible Preferred Stock [Member]                        
Limited Partners' Capital Account, Units Outstanding         0   0         329,300,000
Stock Issued During Period, Shares, Conversion of Units             (329,300,000)          
Subsequent Event [Member] | ETE [Member]                        
Relinquishment of Incentive Distributions           $ 69.0     $ 33.0 $ 128.0    
Subsequent Event [Member] | Series D Preferred Units [Member]                        
Preferred Units, Issued 17,800,000                      
Preferred Stock, Dividend Rate, Percentage 7.625%                      
Shares Issued, Price Per Share $ 25                      
Proceeds from Issuance of Preferred Limited Partners Units $ 445.0                      
Preferred Units, Liquidation Spread, Percent 4.378%                      
ETP [Member] | USAC [Member]                        
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.         19,191,351   19,191,351          
ETP [Member] | Class B Units [Member] | USAC [Member]                        
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.         6,397,965   6,397,965          
ETE [Member] | USAC [Member]                        
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.         20,466,912   20,466,912          
Series A Convertible Preferred Units [Member]                        
Distribution Made to Limited Partner, Distributions Declared, Per Unit         $ 0.11              
Strike price of $17.03 [Member] | USAC [Member]                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                     5,000,000  
Class of Warrant or Right, Exercise Price of Warrants or Rights                     $ 17.03  
Strike price of $19.59 [Member] | USAC [Member]                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                     10,000,000  
Class of Warrant or Right, Exercise Price of Warrants or Rights                     $ 19.59  
[1] As adjusted. See Note 1.