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Financial Instruments and Fair Value Measurements - Summary of Activity in Interest Rate Contracts (Detail) - Interest Rate Contracts [Member] - Cash Flow Hedges [Member] - Designated As Hedging Instrument [Member] - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Derivative [Line Items] |  |
Notional amounts at January 1 | $ 425 | $ 280
New contracts | 959 | 464
Matured, expired or settled contracts | (425) | (319)
Notional amounts at March 31 | 959 | 425
CAD |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | 0 | 0
New contracts | 72 | 139
Matured, expired or settled contracts | 0 | (139)
Notional amounts at March 31 | 72 | 0
EUR |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | 0 |
New contracts | 272 |
Matured, expired or settled contracts | 0 |
Notional amounts at March 31 | 272 |
JPY |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | 0 |
New contracts | 190 |
Matured, expired or settled contracts | 0 |
Notional amounts at March 31 | 190 |
USD |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | 425 | 280
New contracts | 425 | 325
Matured, expired or settled contracts | (425) | (180)
Notional amounts at March 31 | $ 425 | $ 425

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