v3.26.3
Fair Value Measurements and Financial Instruments - Notional Amounts of Outstanding Derivative Instruments (Detail) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Interest rate swaps    
Derivative [Line Items]    
Notional amount $ 22,417 $ 23,674
Cross currency swaps    
Derivative [Line Items]    
Notional amount 40,173 36,074
Foreign exchange forwards    
Derivative [Line Items]    
Notional amount 360 570
Variable prepaid forward    
Derivative [Line Items]    
Notional amount $ 422 $ 0