Balance Sheet Effect of Derivative Financial Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Derivative, Notional Amount	$ 116,851	$ 123,296
Derivative Asset, Current	837	924
Derivative Asset, Noncurrent	478	666
Derivative Asset	1,315	1,590
Derivative Liability, Current	753	535
Derivative Liability, Noncurrent	1,196	535
Derivative Liability	1,949	1,070
Held collateral	102	26
Posted collateral	109	71
Counterparty Netting, Liabilities Not Offset	429	719
Designated as Hedging Instrument [Member] \| Foreign currency exchange contracts [Member] \| Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	10,359	11,534
Designated as Hedging Instrument [Member] \| Cross-currency interest rate swap contracts [Member] \| Fair Value Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	885	885
Designated as Hedging Instrument [Member] \| Interest Rate Contract [Member] \| Fair Value Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	21,985	23,893
Designated as Hedging Instrument [Member] \| Commodity Contract [Member] \| Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	890	931
Not Designated as Hedging Instrument [Member] \| Foreign currency exchange contracts [Member]
Derivative [Line Items]
Derivative, Notional Amount	25,535	28,463
Not Designated as Hedging Instrument [Member] \| Cross-currency interest rate swap contracts [Member]
Derivative [Line Items]
Derivative, Notional Amount	6,520	6,533
Not Designated as Hedging Instrument [Member] \| Interest Rate Contract [Member]
Derivative [Line Items]
Derivative, Notional Amount	49,854	50,060
Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivative [Line Items]
Derivative, Notional Amount	823	997
Fair Value, Recurring \| Level 2 [Member]
Derivative [Line Items]
Fair Value of Assets	1,315	1,590
Fair Value of Liabilities	1,949	1,070
Counterparty Netting, Assets Not Offset	429	719
Fair Value, Recurring \| Level 2 [Member] \| Designated as Hedging Instrument [Member] \| Foreign currency exchange contracts [Member] \| Cash Flow Hedging [Member]
Derivative [Line Items]
Fair Value of Assets	13	74
Fair Value of Liabilities	336	346
Fair Value, Recurring \| Level 2 [Member] \| Designated as Hedging Instrument [Member] \| Cross-currency interest rate swap contracts [Member] \| Fair Value Hedging [Member]
Derivative [Line Items]
Fair Value of Assets	0	0
Fair Value of Liabilities	79	49
Fair Value, Recurring \| Level 2 [Member] \| Designated as Hedging Instrument [Member] \| Interest Rate Contract [Member] \| Fair Value Hedging [Member]
Derivative [Line Items]
Fair Value of Assets	41	544
Fair Value of Liabilities	758	274
Fair Value, Recurring \| Level 2 [Member] \| Designated as Hedging Instrument [Member] \| Commodity Contract [Member] \| Cash Flow Hedging [Member]
Derivative [Line Items]
Fair Value of Assets	374	182
Fair Value of Liabilities	0	5
Fair Value, Recurring \| Level 2 [Member] \| Not Designated as Hedging Instrument [Member] \| Foreign currency exchange contracts [Member]
Derivative [Line Items]
Fair Value of Assets	177	281
Fair Value of Liabilities	294	198
Fair Value, Recurring \| Level 2 [Member] \| Not Designated as Hedging Instrument [Member] \| Cross-currency interest rate swap contracts [Member]
Derivative [Line Items]
Fair Value of Assets	51	117
Fair Value of Liabilities	276	61
Fair Value, Recurring \| Level 2 [Member] \| Not Designated as Hedging Instrument [Member] \| Interest Rate Contract [Member]
Derivative [Line Items]
Fair Value of Assets	496	338
Fair Value of Liabilities	195	126
Fair Value, Recurring \| Level 2 [Member] \| Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Derivative [Line Items]
Fair Value of Assets	163	54
Fair Value of Liabilities	$ 11	$ 11

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