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Business Segments and Related Information, Consolidated Revenues and Expenses (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Consolidated Revenues [Abstract]        
Total consolidated revenues $ 13,775 $ 11,998 $ 42,018 $ 35,093
Operating costs and expenses:        
Cost of sales [1] 10,387 8,786 31,976 25,796
Other operating costs and expenses [2] 1,018 986 2,946 2,749
Depreciation, amortization and accretion 601 583 1,791 1,692
Asset impairment charges 27 11 51 27
Net losses (gains) attributable to asset sales and related matters 0 0 5 (4)
General and administrative costs 61 59 184 172
Total consolidated costs and expenses 12,094 10,425 36,953 30,432
NGL Pipelines & Services [Member]        
Consolidated Revenues [Abstract]        
Total consolidated revenues 4,831 3,757 14,236 12,375
Crude Oil Pipelines & Services [Member]        
Consolidated Revenues [Abstract]        
Total consolidated revenues 5,251 5,365 16,554 13,850
Natural Gas Pipelines & Services [Member]        
Consolidated Revenues [Abstract]        
Total consolidated revenues 649 884 2,115 2,874
Petrochemical & Refined Products Services [Member]        
Consolidated Revenues [Abstract]        
Total consolidated revenues $ 3,044 $ 1,992 $ 9,113 $ 5,994
[1] Cost of sales is a component of “Operating costs and expenses” as presented on our Unaudited Condensed Statements of Consolidated Operations.  Fluctuations in these amounts are primarily due to changes in energy commodity prices and sales volumes associated with our marketing activities.
[2] Represents the cost of operating our plants, pipelines and other fixed assets excluding: depreciation, amortization and accretion; asset impairment charges; and net losses (gains) attributable to asset sales and related matters.