v3.25.4
Trading Assets and Liabilities - Summary of Market Making Revenues by Major Product Type (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Trading activity, gains and losses, net [Line Items]      
Market making $ 17,993 $ 18,390 $ 18,238
Interest rates      
Trading activity, gains and losses, net [Line Items]      
Market making 8,632 715 4,437
Credit      
Trading activity, gains and losses, net [Line Items]      
Market making 284 2,467 1,141
Currencies      
Trading activity, gains and losses, net [Line Items]      
Market making (3,913) 6,292 2,827
Equities      
Trading activity, gains and losses, net [Line Items]      
Market making 10,609 7,632 7,938
Commodities      
Trading activity, gains and losses, net [Line Items]      
Market making $ 2,381 $ 1,284 $ 1,895