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Reportable Segments (Assets Segments) (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Assets $ 125,380 $ 113,698 $ 105,643
Intrastate Transportation and Storage | Operating Segments      
Assets 6,289 6,112 6,609
Interstate Transportation and Storage | Operating Segments      
Assets 17,656 17,708 17,979
Midstream | Operating Segments      
Assets 30,473 25,592 21,851
NGL and Refined Products Transportation and Services | Operating Segments      
Assets 27,445 27,214 27,903
Crude Oil Transportation and Services | Operating Segments      
Assets 25,231 25,464 19,200
Investment in Sunoco LP | Operating Segments      
Assets 14,375 6,826 6,830
Investment in USAC | Operating Segments      
Assets 2,746 2,737 2,666
Corporate Segment and Other Operating Segment [Member]      
Assets $ 1,165 $ 2,045 $ 2,605