Annual report [Section 13 and 15(d), not S-K Item 405]

Derivatives - Derivatives Designated as Cash Flow and Net Investment Hedges (Details)

v3.25.4
Derivatives - Derivatives Designated as Cash Flow and Net Investment Hedges (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Derivative Instruments, Gain (Loss) [Line Items]      
Gains (losses) excluded from effectiveness testing and recognized in market making and similar activities $ 184 $ 252 $ 195
Cash flow hedges      
Derivative Instruments, Gain (Loss) [Line Items]      
Gains (Losses) Recognized in Accumulated OCI on Derivatives 3,302 418 2,049
Gains (Losses) in Income Reclassified from Accumulated OCI (1,526) (2,800) (3,153)
Interest rate risk on variable-rate portfolios | Cash flow hedges      
Derivative Instruments, Gain (Loss) [Line Items]      
Gains (Losses) Recognized in Accumulated OCI on Derivatives 3,301 389 1,995
Gains (Losses) in Income Reclassified from Accumulated OCI (1,538) (2,826) (3,176)
Price risk on forecasted MBS purchases | Cash flow hedges      
Derivative Instruments, Gain (Loss) [Line Items]      
Gains (Losses) Recognized in Accumulated OCI on Derivatives 0 0 6
Gains (Losses) in Income Reclassified from Accumulated OCI (9) (9) (2)
Price risk on certain compensation plans | Cash flow hedges      
Derivative Instruments, Gain (Loss) [Line Items]      
Gains (Losses) Recognized in Accumulated OCI on Derivatives 1 29 48
Gains (Losses) in Income Reclassified from Accumulated OCI 21 35 25
Foreign exchange risk | Net investment hedges      
Derivative Instruments, Gain (Loss) [Line Items]      
Gains (Losses) Recognized in Accumulated OCI on Derivatives (2,749) 2,624 (808)
Gains (Losses) in Income Reclassified from Accumulated OCI $ (1) $ (146) $ 143