Financial Instruments - Fair Value of Derivatives Segregated Between Those Derivatives That are Designated as Hedging Instruments and Those That are Not Designated as Hedging Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Fair value of derivative, asset	$ 342	$ 433
Fair value of derivative, liability	239	409
Derivative, Notional Amount	30,551	28,681
Derivatives Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Fair value of derivative, asset	189	247
Fair value of derivative, liability	77	102
Derivative, Notional Amount	12,754	9,215
Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Fair value of derivative, asset	153	186
Fair value of derivative, liability	162	307
Derivative, Notional Amount	17,797	19,466
Interest rate swap contracts | Derivatives Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Fair value of derivative, asset	57	0
Derivative, Notional Amount	1,000	0
Foreign exchange contracts | Derivatives Designated as Hedging Instruments | Other current assets
Derivatives, Fair Value [Line Items]
Fair value of derivative, asset	$ 106	$ 220
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other current assets	Other current assets
Derivative, Notional Amount	$ 6,138	$ 4,824
Foreign exchange contracts | Derivatives Designated as Hedging Instruments | Other Assets
Derivatives, Fair Value [Line Items]
Fair value of derivative, asset	$ 26	$ 27
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets	Other Assets
Derivative, Notional Amount	$ 1,929	$ 1,609
Foreign exchange contracts | Derivatives Designated as Hedging Instruments | Accrued and other current liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative, liability	$ 76	$ 101
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accrued and other current liabilities	Accrued and other current liabilities
Derivative, Notional Amount	$ 3,680	$ 2,691
Foreign exchange contracts | Derivatives Designated as Hedging Instruments | Other Noncurrent Liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative, liability	$ 1	$ 1
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other Noncurrent Liabilities	Other Noncurrent Liabilities
Derivative, Notional Amount	$ 7	$ 91
Foreign exchange contracts | Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Fair value of derivative, asset	153	186
Fair value of derivative, liability	162	307
Foreign exchange contracts | Derivatives Not Designated as Hedging Instruments | Other current assets
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	9,693	8,540
Foreign exchange contracts | Derivatives Not Designated as Hedging Instruments | Accrued and other current liabilities
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 8,104	$ 10,926