v3.25.4
Summary of Significant Accounting Policies Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Derivative assets $ 131 $ 334
Derivative liabilities (145) (41)
Investments 247 226
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Derivative assets 0 135
Investment, indexed to Market Indices Fair Value 247 226
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Derivative assets 131 199
Derivative liabilities $ (145) $ (41)