Other (Income) Expense, Net - Schedule of Other (Income) Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Component of Other Income / Expense of Nonoperating [Line Items]
Interest income	$ (40)	$ (7)	$ (62)	$ (27)
Interest expense	244	196	727	597
Exchange losses	96	46	220	202
Loss (income) from investments in equity securities, net	371	(683)	1,361	(1,535)
Net periodic defined benefit plan (credit) cost other than service cost	(60)	40	(208)	(159)
Other, net	(182)	(42)	(462)	(85)
Other (income) expense, net	429	(450)	1,576	(1,007)
Unrealized net (gains) losses	$ 221	$ (90)	$ 415	$ 109

[Line Items] for Component of Other Income / Expense of Nonoperating [Table]

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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 of unrealized 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 foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount of the cost of borrowed funds accounted for as interest expense.

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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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