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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

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