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Reportable Segments (Assets Segments) (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Assets $ 105,643 $ 105,963 $ 95,144
Intrastate Transportation and Storage      
Assets 6,609 7,322 6,308
Interstate Transportation and Storage      
Assets 17,979 17,774 17,582
Midstream      
Assets 21,851 21,960 18,583
NGL and Refined Products Transportation and Services      
Assets 27,903 28,160 21,423
Crude Oil Transportation and Services      
Assets 19,200 19,649 17,960
Investment in Sunoco LP      
Assets 6,830 5,815 5,267
Investment in USAC      
Assets 2,666 2,768 2,949
Corporate and Other [Member]      
Assets $ 2,605 $ 2,515 $ 5,072