v3.26.3
Financial Instruments and Fair Value Measurements - Summary of Undesignated Foreign Currency Forwards Activity (Detail) - Forwards [Member] - Undesignated Derivatives [Member]
$ in Millions
 9 Months Ended
Sep. 30, 2026
USD ($)
Derivative
Sep. 30, 2025
USD ($)
Derivative
Derivative [Line Items]    
Notional amounts at January 1 $ 1,401 $ 1,451
New contracts 327 483
Matured, expired or settled contracts (244) (291)
Notional amounts at September 30 1,484 1,643
CAD    
Derivative [Line Items]    
Notional amounts at January 1 296 254
New contracts 9 111
Matured, expired or settled contracts (85) (49)
Notional amounts at September 30 $ 220 $ 316
Weighted average forward rate at September 30 0.0133 0.0133
Active contracts at September 30 | Derivative 88 120
EUR    
Derivative [Line Items]    
Notional amounts at January 1 $ 587 $ 526
New contracts 21 186
Matured, expired or settled contracts (132) (98)
Notional amounts at September 30 $ 476 $ 614
Weighted average forward rate at September 30 0.0118 0.0116
Active contracts at September 30 | Derivative 109 127
GBP    
Derivative [Line Items]    
Notional amounts at January 1 $ 385 $ 386
New contracts 254 100
Matured, expired or settled contracts (81) (66)
Notional amounts at September 30 $ 558 $ 420
Weighted average forward rate at September 30 0.0131 0.0129
Active contracts at September 30 | Derivative 130 108
JPY    
Derivative [Line Items]    
Notional amounts at January 1 $ 335 $ 312
New contracts 12 68
Matured, expired or settled contracts (62) (59)
Notional amounts at September 30 $ 285 $ 321
Weighted average forward rate at September 30 1.2665 1.2315
Active contracts at September 30 | Derivative 92 93
Other    
Derivative [Line Items]    
Notional amounts at January 1 $ (202) $ (27)
New contracts 31 18
Matured, expired or settled contracts 116 (19)
Notional amounts at September 30 $ (55) $ (28)