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Supplementary Information for Certain Balance Sheet Accounts - Other Non-current Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prepayments and accrued income	$ 19	$ 17
Deferred contract costs	163	155
Deferred compensation plan assets	118	111
Deferred tax assets	234	238
Accounts receivable, net	37	18
Investment in associates	100	84
Other investments	87	73
Held-to-maturity securities	45	0
Insurance recovery receivables	84	76
Other non-current assets	55	34
Total other non-current assets	$ 942	$ 806

X

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as noncurrent.

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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 noncurrent.

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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

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

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Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) of amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

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Amount of investment in equity method investee and investment in and advance to affiliate.

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Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

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