XML 55 R45.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Trading Assets and Liabilities - Narrative (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Debt and Equity Securities, FV-NI [Line Items]      
Derivatives included in trading assets, amount offset $ 1,711   $ 1,760
Derivatives included in trading liabilities, amount offset 1,080   1,321
Dividend income on equity securities held for trading 42 $ 34  
Trading Assets      
Debt and Equity Securities, FV-NI [Line Items]      
Derivatives included in trading assets, amount offset 1,399   1,416
Trading Liabilities      
Debt and Equity Securities, FV-NI [Line Items]      
Derivatives included in trading liabilities, amount offset $ 1,079   $ 1,321