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Related Party Transactions (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Revenues - related parties:      
Revenues $ 56,219 $ 49,715 $ 58,186
Costs and expenses - related parties:      
Operating costs and expenses 1,491 1,385 1,342
General and administrative expenses 166 156 156
Total costs and expenses - related parties 1,657 1,541 1,498
Related Party [Member]      
Revenues - related parties:      
Revenues 58 61 59
Costs and expenses - related parties:      
Total accounts receivable - related parties 4 7  
Total accounts payable - related parties 198 199  
EPCO and its privately held affiliates [Member]      
Costs and expenses - related parties:      
Total costs and expenses - related parties 1,472 1,353 1,289
Total accounts payable - related parties 180 183  
Distributions:      
Total cash distributions 1,400 1,300 1,300
EPCO and its privately held affiliates [Member] | Administrative Services Agreement [Member]      
Costs and expenses - related parties:      
Operating costs and expenses 1,294 1,189 1,124
General and administrative expenses 152 141 146
Total costs and expenses - related parties 1,446 1,330 1,270
EPCO and its privately held affiliates [Member] | Related Party Operating Leases [Member]      
Costs and expenses - related parties:      
Total costs and expenses - related parties $ 23 13 13
EPCO and its privately held affiliates [Member] | Common Units [Member]      
Relationship with Affiliates [Abstract]      
Number of Units (in units) 701,938,819    
Percentage of total units outstanding 32.40%    
Enterprise common units pledged as security (in units) 62,976,464    
Unconsolidated affiliates [Member]      
Revenues - related parties:      
Revenues $ 58 61 59
Costs and expenses - related parties:      
Total costs and expenses - related parties 185 188 209
Total accounts receivable - related parties 4 7  
Total accounts payable - related parties 18 16  
Unconsolidated affiliates [Member] | Seaway Crude Holdings LLC [Member]      
Revenues - related parties:      
Revenues 23 25 15
Costs and expenses - related parties:      
Total costs and expenses - related parties 30 27 20
Unconsolidated affiliates [Member] | Venice Energy Service Company, L.L.C. [Member]      
Costs and expenses - related parties:      
Total costs and expenses - related parties 75 80 107
Unconsolidated affiliates [Member] | K/D/S Promix, L.L.C. [Member]      
Revenues - related parties:      
Revenues 9 11 22
Costs and expenses - related parties:      
Total costs and expenses - related parties 39 36 41
Unconsolidated affiliates [Member] | Texas Express Pipeline LLC [Member]      
Costs and expenses - related parties:      
Total costs and expenses - related parties 10 27 31
Unconsolidated affiliates [Member] | Management/Operator Fees [Member]      
Costs and expenses - related parties:      
Total costs and expenses - related parties $ (14) $ (11) $ (12)