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 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives $ (75) $ (45) $ (96) $ 6
Seed Investment [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives (125) (125) (100) (115)
Deferred Cash Compensation Plans [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives $ 32 $ 19 $ 21 $ 13