Derivative Financial Instruments and Risk Management (Details 3) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	$ (35)	$ 29
Gains (Losses) Reclassified from AOCI	36	(10)
Undesignated derivatives \| Fair Value Hedges
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	(49)	(73)
Undesignated derivatives \| Fair Value Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	(34)	(79)
Undesignated derivatives \| Fair Value Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	(15)	6
Designated derivatives \| Cash Flow Hedges
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	(35)	29
Gains (Losses) Reclassified from AOCI	(36)	10
Designated derivatives \| Cash Flow Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	(33)	(27)
Gains (Losses) Reclassified from AOCI	(50)	16
Designated derivatives \| Cash Flow Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	(2)	56
Gains (Losses) Reclassified from AOCI	$ 14	$ (6)

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 20
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=121577181&loc=SL110061190-113977

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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