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Financial Instruments and Fair Value Measurements - Summary of Undesignated Foreign Currency Forwards Activity (Detail) - Forwards [Member] - Undesignated Derivatives [Member] $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2026 USD ($) Derivative | Mar. 31, 2025 USD ($) Derivative
Derivative [Line Items] |  |
Notional amounts at January 1 | $ 1,401 | $ 1,451
New contracts | 170 | 159
Matured, expired or settled contracts | 45 | (88)
Notional amounts at March 31 | 1,616 | 1,522
CAD |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | 296 | 254
New contracts | 0 | 0
Matured, expired or settled contracts | (18) | (20)
Notional amounts at March 31 | $ 278 | $ 234
Weighted average forward rate at March 31 | 0.0133 | 0.0131
Active contracts at March 31 | Derivative | 106 | 93
EUR |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | $ 587 | $ 526
New contracts | 21 | 85
Matured, expired or settled contracts | (32) | (29)
Notional amounts at March 31 | $ 576 | $ 582
Weighted average forward rate at March 31 | 0.0118 | 0.0115
Active contracts at March 31 | Derivative | 130 | 109
GBP |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | $ 385 | $ 386
New contracts | 106 | 10
Matured, expired or settled contracts | (25) | (18)
Notional amounts at March 31 | $ 466 | $ 378
Weighted average forward rate at March 31 | 0.0131 | 0.0128
Active contracts at March 31 | Derivative | 118 | 83
JPY |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | $ 335 | $ 312
New contracts | 12 | 46
Matured, expired or settled contracts | (21) | (17)
Notional amounts at March 31 | $ 326 | $ 341
Weighted average forward rate at March 31 | 1.2632 | 1.2188
Active contracts at March 31 | Derivative | 102 | 93
Other |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | $ 202 |
Notional amounts at January 1 |  | $ (27)
New contracts | 31 | 18
Matured, expired or settled contracts | 141 | (4)
Notional amounts at March 31 | $ 30 |
Notional amounts at March 31 |  | $ (13)

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