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UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED OPERATIONS - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Revenues:        
Third parties $ 11,980 $ 15,448 $ 35,049 $ 44,481
Related parties 18 20 44 55
Total revenues 11,998 15,468 35,093 44,536
Operating costs and expenses:        
Third party and other costs 10,009 13,459 29,246 38,545
Related parties 357 353 1,014 1,005
Total operating costs and expenses 10,366 13,812 30,260 39,550
General and administrative costs:        
Third party and other costs 18 19 59 68
Related parties 41 36 113 111
Total general and administrative costs 59 55 172 179
Total costs and expenses 10,425 13,867 30,432 39,729
Equity in income of unconsolidated affiliates 122 111 347 335
Operating income 1,695 1,712 5,008 5,142
Other income (expense):        
Interest expense (328) (309) (944) (937)
Interest income 5 3 22 6
Other, net 0 4 14 6
Total other expense, net (323) (302) (908) (925)
Income before income taxes 1,372 1,410 4,100 4,217
Provision for income taxes (22) (18) (45) (54)
Net income 1,350 1,392 4,055 4,163
Net income attributable to noncontrolling interests (31) (31) (91) (93)
Net income attributable to preferred units (1) (1) (3) (3)
Net income attributable to common unitholders $ 1,318 $ 1,360 $ 3,961 $ 4,067
Earnings per unit:        
Basic earnings per common unit (in dollars per unit) $ 0.6 $ 0.62 $ 1.81 $ 1.85
Diluted earnings per common unit (in dollars per unit) $ 0.6 $ 0.62 $ 1.81 $ 1.85