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Supplementary Information for Certain Balance Sheet Accounts - Prepaid and Other Current Assets (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prepayments and accrued income	$ 112	$ 123
Deferred contract costs	87	85
Derivatives and investments	9	1
Deferred compensation plan assets	32	18
Corporate income and other taxes	220	106
Interest receivable	19	3
Earnout receivable	0	750
Short-term note receivable	0	74
Held-to-maturity securities	3	0
Available-for-sale securities	25	0
Other current assets	51	57
Total prepaid and other current assets	$ 558	$ 1,217

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