Balance Sheet Effect of Derivative Financial Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Derivative, Notional Amount	$ 124,265	$ 121,831
Derivative Liability, Current	1,400	1,300
Derivative Liability, Noncurrent	1,500	1,700
Held collateral	128	210
Posted collateral	203	201
Designated as Hedging Instrument [Member] | Foreign currency exchange contracts [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	17,139	11,536
Designated as Hedging Instrument [Member] | Cross-currency interest rate swap contracts [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	2,078	885
Designated as Hedging Instrument [Member] | Interest Rate Contract [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	16,821	16,883
Designated as Hedging Instrument [Member] | Commodity Contract [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	1,007	990
Not Designated as Hedging Instrument [Member] | Foreign currency exchange contracts [Member]
Derivative [Line Items]
Derivative, Notional Amount	20,654	20,851
Not Designated as Hedging Instrument [Member] | Cross-currency interest rate swap contracts [Member]
Derivative [Line Items]
Derivative, Notional Amount	6,396	6,635
Not Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Derivative [Line Items]
Derivative, Notional Amount	59,155	63,210
Not Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivative [Line Items]
Derivative, Notional Amount	1,015	841
Fair Value, Recurring
Derivative [Line Items]
Derivative Asset, Current	981	1,101
Derivative Asset, Noncurrent	328	425
Derivative Asset	1,309	1,526
Derivative Liability, Current	1,650	1,656
Derivative Liability, Noncurrent	1,480	1,722
Derivative Liability	3,130	3,378
Fair Value, Recurring | Level 2 [Member]
Derivative [Line Items]
Fair Value of Assets	1,309	1,526
Fair Value of Liabilities	3,130	3,378
Counterparty Netting, Assets Not Offset	512	451
Counterparty Netting, Liabilities Not Offset	512	451
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	218	376
Fair Value of Liabilities	42	52
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	202	161
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	0	0
Fair Value of Liabilities	1,439	1,653
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	12	16
Fair Value of Liabilities	48	56
Fair Value, Recurring | Level 2 [Member] | Not Designated as Hedging Instrument [Member] | Foreign currency exchange contracts [Member]
Derivative [Line Items]
Fair Value of Assets	181	162
Fair Value of Liabilities	115	285
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	55	15
Fair Value of Liabilities	515	653
Fair Value, Recurring | Level 2 [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Derivative [Line Items]
Fair Value of Assets	830	931
Fair Value of Liabilities	720	483
Fair Value, Recurring | Level 2 [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivative [Line Items]
Fair Value of Assets	13	26
Fair Value of Liabilities	$ 49	$ 35