v3.25.1
Investment Securities - Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
AFS securities:    
Amortized Cost $ 73,439 $ 73,833
Gross Unrealized Gains 254 174
Gross Unrealized Losses (5,681) (6,543)
Net unrealized gains (losses) (5,427) (6,369)
AFS securities, Fair Value 68,012 67,464
Portfolio level basis adjustments(1) [1] (70) (385)
Reversal of Hedged Asset [1] 70 385
AFS securities Including Portfolio Level Basis Adjustments 73,369 73,448
AFS Securities, Accumulated Gross Unrealized Gain (Loss) (5,357) (5,984)
HTM securities:    
Amortized Cost 49,876 50,640
HTM securities, Fair Value 40,438 40,286
U.S. Treasury    
AFS securities:    
Amortized Cost 14,334 14,279
Gross Unrealized Gains 140 156
Gross Unrealized Losses (16) (24)
Net unrealized gains (losses) 124 132
AFS securities, Fair Value 14,458 14,411
GSE    
AFS securities:    
Amortized Cost 469 441
Gross Unrealized Gains 3 1
Gross Unrealized Losses (28) (39)
Net unrealized gains (losses) (25) (38)
AFS securities, Fair Value 444 403
Agency MBS – residential    
AFS securities:    
Amortized Cost 55,183 55,769
Gross Unrealized Gains 98 6
Gross Unrealized Losses (5,012) (5,816)
Net unrealized gains (losses) (4,914) (5,810)
AFS securities, Fair Value 50,269 49,959
HTM securities:    
Amortized Cost 49,876 50,640
Gross Unrealized Gains 0 0
Gross Unrealized Losses (9,438) (10,354)
HTM securities Unrealized Gains (Losses) (9,438) (10,354)
HTM securities, Fair Value 40,438 40,286
Agency MBS – commercial    
AFS securities:    
Amortized Cost 3,067 2,938
Gross Unrealized Gains 3 0
Gross Unrealized Losses (604) (645)
Net unrealized gains (losses) (601) (645)
AFS securities, Fair Value 2,466 2,293
States and political subdivisions    
AFS securities:    
Amortized Cost 370 390
Gross Unrealized Gains 10 11
Gross Unrealized Losses (20) (19)
Net unrealized gains (losses) (10) (8)
AFS securities, Fair Value 360 382
Other    
AFS securities:    
Amortized Cost 16 16
Gross Unrealized Gains 0 0
Gross Unrealized Losses (1) 0
Net unrealized gains (losses) (1) 0
AFS securities, Fair Value $ 15 $ 16
[1] Represents fair value hedge basis adjustments related to active portfolio layer method hedges, which are not allocated to individual securities. For additional information, refer to “Note 16. Derivative Financial Instruments.”