Supplementary Information for Certain Balance Sheet Accounts - Prepaid and Other Current Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
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

Amount of asset recognized arising from contingent consideration in a business combination, expected to be realized within one year or the normal operating cycle, if longer.

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Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as current.

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Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity), classified as current.

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Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.

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Amount of investment in marketable security, classified as current.

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Amortized cost, before allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease.

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Amount of current assets classified as other.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Deferred compensation plan assets current.

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Derivatives and investments current.

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