v3.25.1
Investment Securities - Amortized Cost and Estimated Fair Value by Contractual Maturity (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
AFS, Amortized Cost    
Due in one year or less $ 4,274  
Due after one year through five years 9,188  
Due after five years through ten years 1,079  
Due after ten years 58,898  
Debt Securities, Available-for-sale, Amortized Cost, Total 73,439 $ 73,833
AFS, Fair Value    
Due in one year or less 4,297  
Due after one year through five years 9,297  
Due after five years through ten years 1,056  
Due after ten years 53,362  
Debt Securities, Available-for-sale, Total 68,012 67,464
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date    
Debt Securities, Held-to-Maturity, Amortized Cost, Total 49,876 50,640
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value    
Debt Securities, Held-to-Maturity, Fair Value 40,438 40,286
U.S. Treasury    
AFS, Amortized Cost    
Due in one year or less 4,251  
Due after one year through five years 8,919  
Due after five years through ten years 426  
Due after ten years 738  
Debt Securities, Available-for-sale, Amortized Cost, Total 14,334 14,279
AFS, Fair Value    
Due in one year or less 4,274  
Due after one year through five years 9,028  
Due after five years through ten years 424  
Due after ten years 732  
Debt Securities, Available-for-sale, Total 14,458 14,411
GSE    
AFS, Amortized Cost    
Due in one year or less 2  
Due after one year through five years 0  
Due after five years through ten years 1  
Due after ten years 466  
Debt Securities, Available-for-sale, Amortized Cost, Total 469 441
AFS, Fair Value    
Due in one year or less 2  
Due after one year through five years 0  
Due after five years through ten years 1  
Due after ten years 441  
Debt Securities, Available-for-sale, Total 444 403
Agency MBS – residential    
AFS, Amortized Cost    
Due in one year or less 0  
Due after one year through five years 86  
Due after five years through ten years 362  
Due after ten years 54,735  
Debt Securities, Available-for-sale, Amortized Cost, Total 55,183 55,769
AFS, Fair Value    
Due in one year or less 0  
Due after one year through five years 84  
Due after five years through ten years 347  
Due after ten years 49,838  
Debt Securities, Available-for-sale, Total 50,269 49,959
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date    
Due in one year or less 0  
Due after one year through five years 0  
Due after five years through ten years 0  
Due after ten years 49,876  
Debt Securities, Held-to-Maturity, Amortized Cost, Total 49,876 50,640
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value    
Due in one year or less 0  
Due after one year through five years 0  
Due after five years through ten years 0  
Due after ten years 40,438  
Debt Securities, Held-to-Maturity, Fair Value 40,438 40,286
Agency MBS – commercial    
AFS, Amortized Cost    
Due in one year or less 0  
Due after one year through five years 109  
Due after five years through ten years 135  
Due after ten years 2,823  
Debt Securities, Available-for-sale, Amortized Cost, Total 3,067 2,938
AFS, Fair Value    
Due in one year or less 0  
Due after one year through five years 110  
Due after five years through ten years 131  
Due after ten years 2,225  
Debt Securities, Available-for-sale, Total 2,466 2,293
States and political subdivisions    
AFS, Amortized Cost    
Due in one year or less 21  
Due after one year through five years 66  
Due after five years through ten years 147  
Due after ten years 136  
Debt Securities, Available-for-sale, Amortized Cost, Total 370 390
AFS, Fair Value    
Due in one year or less 21  
Due after one year through five years 68  
Due after five years through ten years 145  
Due after ten years 126  
Debt Securities, Available-for-sale, Total 360 382
Non-agency MBS    
AFS, Amortized Cost    
Due in one year or less 0  
Other    
AFS, Amortized Cost    
Due after one year through five years 8  
Due after five years through ten years 8  
Due after ten years 0  
Debt Securities, Available-for-sale, Amortized Cost, Total 16 16
AFS, Fair Value    
Due in one year or less 0  
Due after one year through five years 7  
Due after five years through ten years 8  
Due after ten years 0  
Debt Securities, Available-for-sale, Total $ 15 $ 16