Financial Instruments - Derivative Instruments Designated as Hedging Instruments (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivative and Non-Derivative (Effective Portion), Tax (expense) benefit	$ (15)	$ 16
Amount of Gain (Loss) Reclassified from AOCI into Income (Effective Portion) Tax (expense) benefit	0	0
Amount of Gain (Loss) Recognized in OCI on Derivative and Non-Derivative (Effective Portion), Total	55	(53)
Amount of Gain (Loss) Reclassified from AOCI into Income (Effective Portion), Total	0	0
Net Investment Hedging \| 2026 Euro Notes
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivative and Non-Derivative (Effective Portion), Net Investment Hedge	15	(37)
Amount of Gain (Loss) Reclassified from AOCI into Income (Effective Portion), Net Investment Hedge	0	0
Commodity contracts \| Derivatives in Cash Flow Hedging Relationships
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivative and Non-Derivative (Effective Portion), Cash Flow Hedge	4	(1)
Amount of Gain (Loss) Reclassified from AOCI into Income (Effective Portion), Cash Flow Hedge	0	0
Cross Currency Interest Rate Contract \| Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivative and Non-Derivative (Effective Portion), Net Investment Hedge	51	(31)
Amount of Gain (Loss) Reclassified from AOCI into Income (Effective Portion), Net Investment Hedge	$ 0	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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