Derivative Instruments and Hedging Activities - Pre-Tax Gains (Losses) On Derivatives Not Designated As Hedging Instruments (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Derivative [Line Items]
Total gains (losses) recognized in earnings	$ (411)	$ 173	$ (472)	$ 598
Derivative Instruments, Gain (Loss) by Income Statement Location [Axis]: us-gaap:CostOfRevenue
Derivative [Line Items]
Foreign Currency Contracts	61	73	286	304
Commodity Contracts	(453)	115	(753)	513
Total gains (losses) recognized in earnings	(392)	188	(467)	817
Derivative Instruments, Gain (Loss) by Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense
Derivative [Line Items]
Foreign Currency Contracts	(5)	4	46	(154)
Commodity Contracts	0	0	0	0
Total gains (losses) recognized in earnings	(5)	4	46	(154)
Derivative Instruments, Gain (Loss) by Income Statement Location [Axis]: us-gaap:Revenues
Derivative [Line Items]
Foreign Currency Contracts	(14)	(19)	(51)	(65)
Commodity Contracts	0	0	0	0
Total gains (losses) recognized in earnings	$ (14)	$ (19)	$ (51)	$ (65)

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of price risk derivatives not designated as hedging instruments.

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