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Investments in Unconsolidated Entities - Schedule of Investments (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Equity Method Investments and Joint Ventures [Abstract]          
Equity method investments $ 464   $ 464   $ 439
Measurement alternative method investments 4   4   4
Investments recorded using the net asset value practical expedient 9   9   9
Total investments in unconsolidated entities 477   477   $ 452
Schedule of Equity Method Investments [Line Items]          
Revenues 963 $ 1,083 2,906 $ 3,120  
Operating expenses 906 1,098 2,789 3,024  
Operating income 57 (15) 117 96  
Net income 23 (12) 43 62  
Equity method investments          
Schedule of Equity Method Investments [Line Items]          
Revenues 1,805 1,829 5,369 5,410  
Operating expenses 1,420 1,397 4,138 4,158  
Operating income 385 432 1,231 1,252  
Other income (expense), net (13) (6) (19) (12)  
Net income $ 372 $ 426 $ 1,212 $ 1,240