Quarterly report [Sections 13 or 15(d)]

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

v3.25.1
Derivatives - Derivatives Designated as Cash Flow and Net Investment Hedges (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]    
Gains (losses) excluded from effectiveness testing and recognized in market making and similar activities $ 2 $ 66
Cash flow hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Gains (Losses) Recognized in Accumulated OCI on Derivatives 1,362 (1,076)
Gains (Losses) in Income Reclassified from Accumulated OCI (388) (507)
Interest rate risk on variable-rate portfolios | Cash flow hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Gains (Losses) Recognized in Accumulated OCI on Derivatives 1,361 (1,090)
Gains (Losses) in Income Reclassified from Accumulated OCI (393) (514)
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
Gains (Losses) in Income Reclassified from Accumulated OCI (2) (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 14
Gains (Losses) in Income Reclassified from Accumulated OCI 7 9
Foreign exchange risk | Net investment hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Gains (Losses) Recognized in Accumulated OCI on Derivatives (952) 797
Gains (Losses) in Income Reclassified from Accumulated OCI $ 0 $ 0