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Operations And Organization (Narrative) (Details)
$ in Millions
1 Months Ended 12 Months Ended
Feb. 28, 2018
shares
Jan. 31, 2018
shares
Apr. 30, 2017
Oct. 31, 2015
USD ($)
Jul. 31, 2015
shares
Apr. 30, 2015
USD ($)
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
shares
Dec. 31, 2015
USD ($)
LNG Storage Capacity                   9.0  
Payments to Acquire Businesses, Gross | $       $ 382              
Citrus [Member]                      
Interest ownership                   50.00%  
ETP [Member]                      
Incentive Distribution Rights                   100.00%  
ETP [Member]                      
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.                   27,500,000  
SXL and ETP Merger [Member]                      
Stockholders' Equity Note, Stock Split, Conversion Ratio     1.5                
Dropdown of Sunoco LLC Interest [Member]                      
Payments to Acquire Businesses, Gross | $           $ 775          
Sunoco LP Exchange [Member]                      
Stock Repurchased During Period, Shares         31,500,000            
Sunoco LP Exchange [Member] | Sunoco GP [Member]                      
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest         100.00%            
Regency Merger [Member]                      
Business Acquisition, Number Of Share Received In Exchange Of Each Share           0.6186          
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares           258,300,000          
Relinquishment of Incentive Distributions | $                   $ 60 $ 80
Class I Units [Member] | ETP [Member]                      
Number of common units of a subsidiary partnership that are held by a less than wholly-owned subsidiary of the Parent.                   100  
ETP Subsidiaries [Member] | Regency Merger [Member]                      
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares           23,300,000          
ETP Series A Preferred Units [Member] | Regency Merger [Member]                      
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares           1,900,000          
Subsequent Event [Member]                      
Relinquishment of Incentive Distributions | $             $ 33 $ 128 $ 153    
Subsequent Event [Member] | Sunoco LP [Member]                      
Stock Repurchased During Period, Shares 17,286,859                    
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.   2,300,000                  
Subsequent Event [Member] | Regency Merger [Member]                      
Relinquishment of Incentive Distributions | $             $ 320        
Subsequent Event [Member] | Series A Preferred Units [Member] | Sunoco LP [Member]                      
Stock Repurchased and Retired During Period, Shares   12,000,000