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Supplementary Information for Certain Balance Sheet Accounts - Prepaid and Other Current Assets (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Prepayments and accrued income | $ 126 | $ 123
Deferred contract costs | 87 | 85
Derivatives and investments | 6 | 1
Deferred compensation plan costs | 34 | 18
Corporate income and other taxes | 210 | 106
Earnout receivable | 0 | 750
Short-term note receivable | 0 | 74
Held-to-maturity securities | 5 | 0
Available-for-sale securities | 25 | 0
Other current assets | 77 | 60
Total prepaid and other current assets | $ 570 | $ 1,217

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