Financial Instruments - Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Derivatives, Fair Value [Line Items]
Total derivatives	$ (72)		$ (72)		$ 71
Derivatives Designated as Hedging Instruments:
Derivatives, Fair Value [Line Items]
Total derivatives	(77)		(77)		59
Foreign currency forward-exchange contracts | Derivatives Not Designated as Hedging Instruments:
Derivatives, Fair Value [Line Items]
Total derivatives	5		5		12
Foreign currency forward-exchange contracts	5	$ 11	44	$ 12
Foreign currency forward-exchange contracts | Derivatives Not Designated as Hedging Instruments: | Other current assets
Derivatives, Fair Value [Line Items]
Derivative assets	10		10		18
Foreign currency forward-exchange contracts | Derivatives Not Designated as Hedging Instruments: | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets	1		1		0
Foreign currency forward-exchange contracts | Derivatives Not Designated as Hedging Instruments: | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	(6)		(6)		(6)
Forward-starting interest rate swap contracts | Derivatives Designated as Hedging Instruments: | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets	0		0		26
Foreign exchange derivative instruments | Derivatives Designated as Hedging Instruments:
Derivatives, Fair Value [Line Items]
Collateral posted	78		78		20
Collateral received					51
Foreign exchange derivative instruments | Derivatives Designated as Hedging Instruments: | Other current assets
Derivatives, Fair Value [Line Items]
Derivative assets	7		7		55
Foreign exchange derivative instruments | Derivatives Designated as Hedging Instruments: | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets	0		0		4
Foreign exchange derivative instruments | Derivatives Designated as Hedging Instruments: | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	(15)		(15)		0
Foreign exchange derivative instruments | Derivatives Designated as Hedging Instruments: | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	(52)		(52)		0
Fixed-to-floating interest rate swap contracts | Derivatives Designated as Hedging Instruments: | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ (17)		$ (17)		$ (26)