Derivative Financial Instruments and Risk Management (Details 3) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	$ 29	$ 119
Gains (Losses) Reclassified from AOCI	(10)	(104)
Undesignated derivatives \| Fair Value Hedges
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	(73)	92
Undesignated derivatives \| Fair Value Hedges \| Foreign exchange contracts \| Other income (expense)
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	(79)	86
Undesignated derivatives \| Fair Value Hedges \| Interest rate contracts \| Interest expense
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	6	6
Designated derivatives \| Cash Flow Hedges
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	29	119
Gains (Losses) Reclassified from AOCI	10	104
Designated derivatives \| Cash Flow Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	(27)	119
Designated derivatives \| Cash Flow Hedges \| Foreign exchange contracts \| Other income (expense)
Derivative Instruments, Gain (Loss)
Gains (Losses) Reclassified from AOCI	16	114
Designated derivatives \| Cash Flow Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	56	0
Designated derivatives \| Cash Flow Hedges \| Interest rate contracts \| Interest expense
Derivative Instruments, Gain (Loss)
Gains (Losses) Reclassified from AOCI	$ (6)	$ (10)

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
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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
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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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