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Related Party Transactions - Schedule of Accounts Receivable and Accounts Payable (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Related Party    
Related Party Transaction [Line Items]    
Accounts receivable $ 1 $ 4
Accounts payable 217 198
Unconsolidated affiliates    
Related Party Transaction [Line Items]    
Accounts receivable 1 4
Accounts payable 22 18
EPCO and its privately held affiliates    
Related Party Transaction [Line Items]    
Accounts payable $ 195 $ 180