v3.25.4
Equity Securities (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Equity Securities [Line Items]    
Total equity securities not held for trading [1] $ 40,932 $ 41,374
Not held for trading [Member]    
Equity Securities [Line Items]    
Equity securities at fair value 2,008 3,052
Equity Securities Textual [Abstract]    
Contractual lock-up period restriction for sale 218 590
Federal Reserve Bank Stock 3,500 3,500
Federal Home Loan Bank Stock 762 224
Not held for trading [Member] | Tax credit investments [Member]    
Equity Securities [Line Items]    
Equity securities, not carried at fair value 21,395 21,933
Not held for trading [Member] | Affordable housing tax credit investments [Member]    
Equity Securities [Line Items]    
Equity securities, not carried at fair value 11,600 12,300
Not held for trading [Member] | Renewable energy tax credit investments [Member]    
Equity Securities [Line Items]    
Equity securities, not carried at fair value 9,600 9,400
Not held for trading [Member] | Renewable energy tax credit investments [Member] | Accounting method, investment tax credit, deferral    
Equity Securities Textual [Abstract]    
Deferred investment tax credit (1,700) (1,500)
Not held for trading [Member] | Private equity [Member]    
Equity Securities [Line Items]    
Equity securities, not carried at fair value 13,206 12,607
Not held for trading [Member] | Federal Reserve Bank stock and other at cost [Member]    
Equity Securities [Line Items]    
Equity securities, not carried at fair value 4,323 3,782
Not held for trading [Member] | Other method investments - Private equity [Member]    
Equity Securities [Line Items]    
Equity securities, not carried at fair value $ 9,800 $ 9,300
[1] In fourth quarter 2025, we changed the presentation of certain items on our consolidated balance sheet, including trading assets and liabilities and short-term borrowings. Prior period balances have been revised to conform with the current period presentation. For additional information, see Note 1 (Summary of Significant Accounting Policies).