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Investments in Affiliates (Summarized Income Statement Information) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]      
Revenues $ 89,876 $ 67,417 $ 38,954
Net income 5,868 6,687 140
Equity Method Investments [Member]      
Schedule of Equity Method Investments [Line Items]      
Revenues 1,518 1,393 1,405
Equity Method Investments Summarized Financial Information, Operating Income 704 684 732
Net income $ 463 $ 446 $ 480