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Fair Value of Financial Instruments - Fair Value Hierarchy for Long-term Debt (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
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Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Total long-term debt, including current portion | $ 11,863 | $ 8,100
Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Total long-term debt, including current portion | 10,340 | 7,008
Level 2 | Convertible Senior Notes |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Total long-term debt, including current portion | 612 | 576
Level 2 | Other long-term debt, including current portion |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Total long-term debt, including current portion | 9,728 | 6,432
Level 3 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Total long-term debt, including current portion | 300 | 0
Level 3 | Convertible Senior Notes |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Total long-term debt, including current portion | 0 | 0
Level 3 | Other long-term debt, including current portion |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Total long-term debt, including current portion | $ 300 | $ 0

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