Financial Instruments, Derivatives and Fair Value Measures - Schedule of Carrying Values and Fair Values of Financial Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Derivative [Line Items]
Long-term investment securities	$ 951	$ 886
Receivable position	55	391
(Payable) position	(957)	(765)
Equity securities
Derivative [Line Items]
Long-term investment securities	633	553
Carrying Value
Derivative [Line Items]
Total Long-term Debt	(12,941)	(14,125)
Carrying Value \| Foreign Currency Forward Exchange Contracts
Derivative [Line Items]
Receivable position	55	390
(Payable) position	(304)	(131)
Carrying Value \| Interest Rate Hedge Contracts
Derivative [Line Items]
Receivable position	0	1
(Payable) position	(34)	(51)
Carrying Value \| Equity securities
Derivative [Line Items]
Long-term investment securities	633	553
Carrying Value \| Other
Derivative [Line Items]
Long-term investment securities	318	333
Fair Value
Derivative [Line Items]
Total Long-term Debt	(12,839)	(13,710)
Fair Value \| Foreign Currency Forward Exchange Contracts
Derivative [Line Items]
Receivable position	55	390
(Payable) position	(304)	(131)
Fair Value \| Interest Rate Hedge Contracts
Derivative [Line Items]
Receivable position	0	1
(Payable) position	(34)	(51)
Fair Value \| Equity securities
Derivative [Line Items]
Long-term investment securities	633	553
Fair Value \| Other
Derivative [Line Items]
Long-term investment securities	$ 318	$ 333

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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