Other (Income) Expense, Net - Schedule of Other (Income) Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Other Income and Expenses [Abstract]
Interest income	$ (96)	$ (127)	$ (274)	$ (269)
Interest expense	327	330	946	943
Exchange losses	56	33	224	177
(Income) loss from investments in equity securities, net	(373)	31	(563)	(169)
Net periodic defined benefit plan (credit) cost other than service cost	(152)	(157)	(452)	(476)
Other, net	0	(272)	(162)	(357)
Other (income) expense, net	$ (238)	$ (162)	$ (281)	$ (151)

Other nonoperating income and expense items not separately disclosed.

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Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction.

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Amount of interest expense classified as nonoperating.

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits.

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Amount of income (expense) related to nonoperating activities, classified as other.

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