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Financial Instruments and Fair Value Measurements - Summary of Undesignated Financial Instruments Exercised and Realized and Unrealized Gains (Losses) in Foreign Currency, Derivative and Other Gains and Other Income, Net (Detail) $ in Millions | 3 Months Ended
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Mar. 31, 2026 USD ($) Contract | Mar. 31, 2025 USD ($) Contract
Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |
Exercised contracts | Contract | 29 | 26
Realized gains (losses) on the matured, expired or settled contracts | $ 15 | $ 9
Unrealized gains (losses) on the change in fair value of outstanding contracts | $ 19 | $ (40)

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