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Financial Instruments - Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Derivatives, Fair Value [Line Items]
Total derivatives	$ (58)		$ (58)		$ (75)
Derivatives Designated as Hedging Instruments:
Derivatives, Fair Value [Line Items]
Total derivatives	(41)		(41)		(74)
Foreign currency forward-exchange contracts \| Derivatives Not Designated as Hedging Instruments:
Derivatives, Fair Value [Line Items]
Total derivatives	(17)		(17)		(1)
Foreign currency forward-exchange contracts	(22)	$ 28	(13)	$ 58
Foreign currency forward-exchange contracts \| Derivatives Not Designated as Hedging Instruments: \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Derivatives, Fair Value [Line Items]
Derivative assets	9		9		8
Foreign currency forward-exchange contracts \| Derivatives Not Designated as Hedging Instruments: \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Derivatives, Fair Value [Line Items]
Derivative liabilities	(25)		(25)		(9)
Foreign currency forward-exchange contracts \| Derivatives Not Designated as Hedging Instruments: \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Derivatives, Fair Value [Line Items]
Derivative liabilities	(1)		(1)		0
Foreign exchange derivative instruments \| Derivatives Designated as Hedging Instruments:
Derivatives, Fair Value [Line Items]
Collateral received	0		0		0
Collateral posted	36		36		70
Foreign exchange derivative instruments \| Derivatives Designated as Hedging Instruments: \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Derivatives, Fair Value [Line Items]
Derivative assets	10		10		6
Foreign exchange derivative instruments \| Derivatives Designated as Hedging Instruments: \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent
Derivatives, Fair Value [Line Items]
Derivative assets	3		3		0
Foreign exchange derivative instruments \| Derivatives Designated as Hedging Instruments: \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Derivatives, Fair Value [Line Items]
Derivative liabilities	(21)		(21)		(25)
Foreign exchange derivative instruments \| Derivatives Designated as Hedging Instruments: \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Derivatives, Fair Value [Line Items]
Derivative liabilities	(16)		(16)		(39)
Fixed-to-floating interest rate swap contracts \| Derivatives Designated as Hedging Instruments: \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ (17)		$ (17)		$ (16)