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Related Party Transactions (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Revenues - related parties:      
Total revenue - related parties $ 59 $ 80 $ 37
Costs and expenses - related parties:      
Operating costs and expenses 1,342 1,287 1,211
General and administrative expenses 156 134 137
Total costs and expenses - related parties 1,498 1,421 1,348
Accounts receivable - related parties:      
Total accounts receivable - related parties 11 21  
Accounts payable - related parties:      
Total accounts payable - related parties 232 167  
EPCO and its privately held affiliates [Member]      
Costs and expenses - related parties:      
Total costs and expenses - related parties 1,289 1,156 1,144
Accounts receivable - related parties:      
Total accounts receivable - related parties 1 1  
Accounts payable - related parties:      
Total accounts payable - related parties 221 151  
Distributions:      
Total cash distributions 1,300 1,200 1,200
EPCO and its privately held affiliates [Member] | Administrative Services Agreement [Member]      
Costs and expenses - related parties:      
Operating costs and expenses 1,124 1,011 999
General and administrative expenses 146 135 129
Total costs and expenses - related parties 1,270 1,146 1,128
EPCO and its privately held affiliates [Member] | Related Party Operating Leases [Member]      
Costs and expenses - related parties:      
Total costs and expenses - related parties $ 13 13 13
EPCO and its privately held affiliates [Member] | Common Units [Member]      
Relationship with Affiliates [Abstract]      
Number of Units (in units) 702,408,661    
Percentage of total units outstanding 32.40%    
Enterprise common units pledged as security (in units) 92,976,464    
Unconsolidated affiliates [Member]      
Revenues - related parties:      
Total revenue - related parties $ 59 80 37
Costs and expenses - related parties:      
Total costs and expenses - related parties 209 265 204
Accounts receivable - related parties:      
Total accounts receivable - related parties 10 20  
Accounts payable - related parties:      
Total accounts payable - related parties 11 16  
Unconsolidated affiliates [Member] | Seaway Crude Holdings LLC [Member]      
Revenues - related parties:      
Total revenue - related parties 15 43 20
Costs and expenses - related parties:      
Total costs and expenses - related parties 20 104 72
Unconsolidated affiliates [Member] | Venice Energy Service Company, L.L.C. [Member]      
Costs and expenses - related parties:      
Total costs and expenses - related parties 107 94 51
Unconsolidated affiliates [Member] | K/D/S Promix, L.L.C. [Member]      
Revenues - related parties:      
Total revenue - related parties 22 12 6
Costs and expenses - related parties:      
Total costs and expenses - related parties 41 27 24
Unconsolidated affiliates [Member] | Texas Express Pipeline LLC [Member]      
Costs and expenses - related parties:      
Total costs and expenses - related parties 31 28 29
Unconsolidated affiliates [Member] | Eagle Ford Pipeline LLC [Member]      
Costs and expenses - related parties:      
Total costs and expenses - related parties 3 4 21
Unconsolidated affiliates [Member] | Management/Operator Fees [Member]      
Costs and expenses - related parties:      
Total costs and expenses - related parties $ (12) $ (13) $ (10)