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Fair Value of Financial Instruments - Estimated Carrying Amounts and Fair Value of Long-term Debt (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion $ 10,878 $ 10,880
Carrying Amount | Convertible Senior Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion 232 232
Carrying Amount | Other long-term debt, including current portion    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion 10,646 10,648
Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion 10,845 10,761
Fair Value | Convertible Senior Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion 542 509
Fair Value | Other long-term debt, including current portion    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Total long-term debt, including current portion $ 10,303 $ 10,252