Derivative Financial Instruments and Risk Management - Schedule of Gains (Losses) on Derivatives Instruments (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Undesignated derivatives \| Fair Value Hedges
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	$ (88)	$ 2	$ (49)	$ (32)
Undesignated derivatives \| Fair Value Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	(65)	22	15	21
Undesignated derivatives \| Fair Value Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	(23)	(20)	(64)	(53)
Designated derivatives \| Cash Flow Hedges
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	(50)	79	132	74
Gains (Losses) Reclassified from AOCI	(44)	85	142	81
Designated derivatives \| Cash Flow Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	(41)	76	126	59
Gains (Losses) Reclassified from AOCI	(53)	70	103	38
Designated derivatives \| Cash Flow Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	(9)	3	6	15
Gains (Losses) Reclassified from AOCI	$ 9	$ 15	$ 39	$ 43

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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