Derivative Financial Instruments and Risk Management (Details 3) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	$ 342	$ (37)	$ 371	$ 82
Gains (Losses) Reclassified from AOCI	(335)	38	(345)	(66)
Undesignated derivatives \| Fair Value Hedges
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	40	(51)	(33)	41
Undesignated derivatives \| Fair Value Hedges \| Foreign exchange contracts \| Other income (expense)
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	37	(58)	(42)	28
Undesignated derivatives \| Fair Value Hedges \| Interest rate contracts \| Interest expense
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Undesignated Hedges	3	7	9	13
Designated derivatives \| Cash Flow Hedges
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	342	(37)	371	82
Gains (Losses) Reclassified from AOCI	335	(38)	345	66
Designated derivatives \| Cash Flow Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	321	(38)	294	81
Designated derivatives \| Cash Flow Hedges \| Foreign exchange contracts \| Other income (expense)
Derivative Instruments, Gain (Loss)
Gains (Losses) Reclassified from AOCI	337	(32)	353	82
Designated derivatives \| Cash Flow Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	21	1	77	1
Designated derivatives \| Cash Flow Hedges \| Interest rate contracts \| Interest expense
Derivative Instruments, Gain (Loss)
Gains (Losses) Reclassified from AOCI	$ (2)	$ (6)	$ (8)	$ (16)

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

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-Publisher FASB
-Name Accounting Standards Codification
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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.

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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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