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Fair Value Measurement - Values of Assets, by Major Category, Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Before-Tax Loss, Equity Method Investments $ (1,720) $ (2,081) $ (832)
Fair Value, Nonrecurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair Value - Net PP&E (held for use)     472
Before-Tax Loss - Net PP&E (Held for use)     80
Fair Value - Equity Method Investments     5,574
Before-Tax Loss, Equity Method Investments     688
Level 1 Inputs | Fair Value, Nonrecurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair Value - Net PP&E (held for use)     0
Fair Value - Equity Method Investments     0
Level 2 Inputs | Fair Value, Nonrecurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair Value - Net PP&E (held for use)     0
Fair Value - Equity Method Investments     5,574
Level 3 Inputs | Fair Value, Nonrecurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair Value - Net PP&E (held for use)     472
Fair Value - Equity Method Investments     $ 0