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Income Effect of Derivative Financial Instruments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Derivative [Line Items]
Gain/(Loss) Recognized in Income	$ (104)	$ 9
Held collateral	$ 180		$ 210
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of sales	Cost of sales
Designated as Hedging Instrument [Member] \| Cash Flow Hedging [Member] \| Foreign currency exchange contracts [Member]
Derivative [Line Items]
Gain/(Loss) Reclassified from AOCI to Income	$ 26	$ (90)
Gains/(losses) on derivative instruments	(63)	(128)
Designated as Hedging Instrument [Member] \| Cash Flow Hedging [Member] \| Commodity Contract [Member]
Derivative [Line Items]
Gain/(Loss) Reclassified from AOCI to Income	(9)	58
Gains/(losses) on derivative instruments	8	284
Designated as Hedging Instrument [Member] \| Fair Value Hedging [Member] \| Cross-currency interest rate swap contracts [Member]
Derivative [Line Items]
Net interest settlements and accruals on hedging instruments	(14)	(3)
Fair value changes on hedging instruments	22	(37)
Fair value changes on hedged debt	(19)	41
Designated as Hedging Instrument [Member] \| Fair Value Hedging [Member] \| Interest rate contracts [Member]
Derivative [Line Items]
Net interest settlements and accruals on hedging instruments	(140)	76
Fair value changes on hedging instruments	250	(986)
Fair value changes on hedged debt	(279)	991
Not Designated as Hedging Instrument [Member] \| Foreign currency exchange contracts [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Income	(3)	(46)
Not Designated as Hedging Instrument [Member] \| Foreign currency exchange contracts [Member] \| Nonoperating Income (Expense) [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Income	(22)	(2)
Not Designated as Hedging Instrument [Member] \| Foreign currency exchange contracts [Member] \| Cost of Sales
Derivative [Line Items]
Gain/(Loss) Recognized in Income	19	(44)
Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Income	(11)	109
Not Designated as Hedging Instrument [Member] \| Cross-currency interest rate swap contracts [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Income	85	(227)
Not Designated as Hedging Instrument [Member] \| Interest rate contracts [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Income	$ (12)	$ 123