v3.26.1
Derivatives and Hedging - Summary of Realized and Unrealized Gains (Losses) Recognized in Condensed Consolidated Statements of Income on Derivative Instruments (Parenthetical) (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) on derivatives $ (21) $ 51
Seed Investment [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) on derivatives 25 10
Deferred Cash Compensation Plans [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) on derivatives $ (11) $ (6)