v3.26.3
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
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Derivative [Line Items]    
Notional amounts at January 1 $ 425 $ 280
New contracts 1,682 1,932
Matured, expired or settled contracts (1,494) (1,837)
Notional amounts at September 30 613 375
CAD    
Derivative [Line Items]    
Notional amounts at January 1 0 0
New contracts 254 139
Matured, expired or settled contracts (254) (139)
Notional amounts at September 30 0 0
EUR    
Derivative [Line Items]    
Notional amounts at January 1 0 0
New contracts 418 543
Matured, expired or settled contracts (90) (543)
Notional amounts at September 30 328 0
JPY    
Derivative [Line Items]    
Notional amounts at January 1 0  
New contracts 285  
Matured, expired or settled contracts 0  
Notional amounts at September 30 285  
USD    
Derivative [Line Items]    
Notional amounts at January 1 425 280
New contracts 725 1,250
Matured, expired or settled contracts (1,150) (1,155)
Notional amounts at September 30 $ 0 $ 375