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Fair Value of Financial Instruments - Estimated Carrying Amounts and Fair Value of Long-term Debt (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion $ 11,863 $ 8,100
Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion 11,712 8,098
Carrying Amount | Convertible Senior Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion 575 575
Carrying Amount | Other long-term debt, including current portion    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion 11,137 7,523
Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion 10,640 7,008
Fair Value | Convertible Senior Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion 612 576
Fair Value | Other long-term debt, including current portion    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion $ 10,028 $ 6,432