Derivative Financial instruments and Risk Management- Gain and Loss on Hedging instruments (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Derivative Instruments, Gain (Loss)
Amount of gains (losses) recognized in AOCI	$ 47	$ 79
Amount of gain (losses) reclassified from AOCI	(19)	(118)
Fair Value / Undesignated Hedges
Derivative Instruments, Gain (Loss)
Gains (Losses) recognized on the consolidated statement of results of operations	37	105
Fair Value / Undesignated Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) recognized on the consolidated statement of results of operations	(63)	78
Fair Value / Undesignated Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) recognized on the consolidated statement of results of operations	7	7
Fair Value / Undesignated Hedges \| Commodity contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) recognized on the consolidated statement of results of operations	93	20
Designated Derivatives \| Cash Flow Hedges
Derivative Instruments, Gain (Loss)
Amount of gains (losses) recognized in AOCI	47	79
Amount of gain (losses) reclassified from AOCI	19	118
Designated Derivatives \| Cash Flow Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Amount of gains (losses) recognized in AOCI	(9)	72
Amount of gain (losses) reclassified from AOCI	26	129
Designated Derivatives \| Cash Flow Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Amount of gains (losses) recognized in AOCI	56	7
Amount of gain (losses) reclassified from AOCI	(7)	(11)
Designated Derivatives \| Cash Flow Hedges \| Commodity contracts
Derivative Instruments, Gain (Loss)
Amount of gains (losses) recognized in AOCI	0	0
Amount of gain (losses) reclassified from AOCI	$ 0	$ 0

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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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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