Derivative Financial Instruments and Risk Management (Details 3) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	$ 79	$ 302	$ 74	$ 673
Gains (Losses) Reclassified from AOCI	(85)	(311)	(81)	(656)
Undesignated derivatives \| Fair Value Hedges
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	2	11	(32)	(22)
Undesignated derivatives \| Fair Value Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	22	16	21	(26)
Undesignated derivatives \| Fair Value Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	(20)	(5)	(53)	4
Designated derivatives \| Cash Flow Hedges
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	79	302	74	673
Gains (Losses) Reclassified from AOCI	85	311	81	656
Designated derivatives \| Cash Flow Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	76	276	59	570
Gains (Losses) Reclassified from AOCI	70	303	38	656
Designated derivatives \| Cash Flow Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	3	26	15	103
Gains (Losses) Reclassified from AOCI	$ 15	$ 8	$ 43	$ 0

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

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-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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
-SubTopic 10
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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