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Reportable Segments Equity in Earnings of Affiliates (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Information [Line Items]      
Equity in earnings of unconsolidated affiliates [1] $ 379 $ 383 $ 257
Intrastate Transportation and Storage      
Segment Reporting Information [Line Items]      
Equity in earnings of unconsolidated affiliates [1] 16 17 17
Interstate Transportation and Storage      
Segment Reporting Information [Line Items]      
Equity in earnings of unconsolidated affiliates [1] 241 260 175
Midstream      
Segment Reporting Information [Line Items]      
Equity in earnings of unconsolidated affiliates [1] 13 15 19
NGL and Refined Products Transportation and Services      
Segment Reporting Information [Line Items]      
Equity in earnings of unconsolidated affiliates [1] 83 76 44
Crude Oil Transportation and Services      
Segment Reporting Information [Line Items]      
Equity in earnings of unconsolidated affiliates [1] 21 11 (2)
All Other      
Segment Reporting Information [Line Items]      
Equity in earnings of unconsolidated affiliates [1] $ 5 $ 4 $ 4
[1] Amounts reflected above exclude Sunoco LP’s earnings from the ET-S Permian and J.C. Nolan joint ventures, which are eliminated in consolidation.