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Related Party Transactions (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Revenues - related parties:          
Total revenue - related parties $ 18 $ 20 $ 44 $ 55  
Costs and expenses - related parties:          
Operating costs and expenses 357 353 1,014 1,005  
General and administrative expenses 41 36 113 111  
Total costs and expenses - related parties 398 389 1,127 1,116  
Related Party [Member]          
Costs and expenses - related parties:          
Total accounts receivable - related parties 5   5   $ 11
Total accounts payable - related parties 148   148   232
EPCO and its privately held affiliates [Member]          
Costs and expenses - related parties:          
Total costs and expenses - related parties 347 334 992 940  
Total accounts receivable - related parties 0   0   1
Total accounts payable - related parties 134   134   221
Distributions:          
Total cash distributions     1,000 955  
EPCO and its privately held affiliates [Member] | Administrative Services Agreement [Member]          
Costs and expenses - related parties:          
Operating costs and expenses 305 295 873 821  
General and administrative expenses 36 34 102 106  
Total costs and expenses - related parties 341 329 975 927  
EPCO and its privately held affiliates [Member] | Related Party Operating Leases [Member]          
Costs and expenses - related parties:          
Total costs and expenses - related parties $ 3 3 $ 10 10  
EPCO and its privately held affiliates [Member] | Common Units [Member]          
Relationship with Affiliates [Abstract]          
Total Number of Units (in units) 702,197,607   702,197,607    
Percentage of total units outstanding 32.30%   32.30%    
Enterprise common units pledged as security (in units) 62,976,464   62,976,464    
Unconsolidated affiliates [Member]          
Revenues - related parties:          
Total revenue - related parties $ 18 20 $ 44 55  
Costs and expenses - related parties:          
Total costs and expenses - related parties 51 $ 55 135 $ 176  
Total accounts receivable - related parties 5   5   10
Total accounts payable - related parties $ 14   $ 14   $ 11