v3.26.1
Credit Concentrations - Additional Information (Detail) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Concentration Risk [Line Items]    
Cash and cash equivalents $ 179,530 $ 164,259
Cash deposits held at the Federal Reserve Bank of New York $ 95,760 $ 86,090
Percentage of credit exposure to any other counterparty 2.00% 2.00%
Central banks    
Concentration Risk [Line Items]    
Cash and cash equivalents $ 141,470 $ 130,990