v3.25.4
Investment Securities - Investment Securities by Contractual Maturity (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Amortized Cost    
Amortized cost $ 112,522 $ 101,960
Amortized cost, unallocated basis adjustment 2 (2)
HTM securities: Net carrying amount, total 53,090 61,071
Investment securities: Amortized cost, total 165,612 163,031
Fair Value    
AFS securities: Fair value, total 110,466 98,608
HTM securities: Fair value, total 45,615 51,203
Investment securities $ 156,081 149,811
Annualized Average Yield    
AFS securities: Annualized average yield, total (as a percent) 3.60%  
HTM securities: Annualized average yield, total (as a percent) 2.20%  
Investment securities: Annualized average yield, total (as a percent) 3.20%  
AFS securities: Annualized average yield including the interest rate swap accrual of related hedges, due within 1 year (as a percent) 3.70%  
AFS securities: Annualized average yield including the interest rate swap accrual of related hedge (as a percent) 3.70%  
U.S. Treasury securities    
Amortized Cost    
AFS securities: Amortized cost, due within 1 year $ 28,824  
AFS securities: Amortized cost, after 1 year through 5 years 51,178  
AFS securities: Amortized cost, after 5 years through 10 years 743  
Amortized cost 80,745 70,160
HTM securities: Net carrying amount, due within 1 year 5,435  
HTM securities: Net carrying amount, after 1 year through 5 years 5,108  
HTM securities: Net carrying amount, after 5 year through 10 years 203  
HTM securities: Net carrying amount, after 10 years 1,553  
HTM securities: Net carrying amount, total 12,299 16,885
Fair Value    
AFS securities: Fair value, due within 1 year 28,870  
AFS securities: Fair value, after 1 year through 5 years 51,291  
AFS securities: Fair value, after 5 years through 10 years 746  
AFS securities: Fair value, total 80,907 69,834
HTM securities: Fair value, due within 1 year 5,416  
HTM securities: Fair value, after 1 year through 5 years 4,961  
HTM securities: Fair value, after 5 years through 10 years 179  
HTM securities: Fair value, after 10 years 1,080  
HTM securities: Fair value, total $ 11,636 15,803
Annualized Average Yield    
AFS securities: Annualized average yield, due within 1 year (as a percent) 3.70%  
AFS securities: Annualized average yield, after 1 year through 5 years (as a percent) 3.80%  
AFS securities: Annualized average yield, after 5 years through 10 years (as a percent) 4.00%  
HTM securities: Annualized average yield, due within 1 year (as a percent) 2.20%  
HTM securities: Annualized average yield, after 1 years through 5 years (as a percent) 2.40%  
HTM securities: Annualized average yield, after 5 years through 10 years (as a percent) 1.30%  
HTM securities: Annualized average yield, after 10 year (as a percent) 2.30%  
U.S. agency securities    
Amortized Cost    
AFS securities: Amortized cost, due within 1 year $ 23  
AFS securities: Amortized cost, after 1 year through 5 years 185  
AFS securities: Amortized cost, after 5 years through 10 years 399  
AFS securities: Amortized cost, after 10 years 23,424  
Amortized cost 24,031 24,113
HTM securities: Net carrying amount, after 1 year through 5 years 140  
HTM securities: Net carrying amount, after 5 year through 10 years 28  
HTM securities: Net carrying amount, after 10 years 38,135  
HTM securities: Net carrying amount, total 38,303 41,582
Fair Value    
AFS securities: Fair value, due within 1 year 22  
AFS securities: Fair value, after 1 year through 5 years 176  
AFS securities: Fair value, after 5 years through 10 years 371  
AFS securities: Fair value, after 10 years 21,543  
AFS securities: Fair value, total 22,112 21,467
HTM securities: Fair value, after 1 year through 5 years 135  
HTM securities: Fair value, after 5 years through 10 years 28  
HTM securities: Fair value, after 10 years 31,422  
HTM securities: Fair value, total $ 31,585 32,994
Annualized Average Yield    
AFS securities: Annualized average yield, due within 1 year (as a percent) 0.60%  
AFS securities: Annualized average yield, after 1 year through 5 years (as a percent) 1.80%  
AFS securities: Annualized average yield, after 5 years through 10 years (as a percent) 1.60%  
AFS securities: Annualized average yield, after 10 years (as a percent) 3.40%  
HTM securities: Annualized average yield, after 1 years through 5 years (as a percent) 2.00%  
HTM securities: Annualized average yield, after 5 years through 10 years (as a percent) 2.20%  
HTM securities: Annualized average yield, after 10 year (as a percent) 2.10%  
Agency CMBS    
Amortized Cost    
AFS securities: Amortized cost, due within 1 year $ 596  
AFS securities: Amortized cost, after 1 year through 5 years 3,763  
AFS securities: Amortized cost, after 5 years through 10 years 193  
AFS securities: Amortized cost, after 10 years 952  
Amortized cost 5,504 5,704
HTM securities: Net carrying amount, due within 1 year 202  
HTM securities: Net carrying amount, after 1 year through 5 years 354  
HTM securities: Net carrying amount, after 5 year through 10 years 130  
HTM securities: Net carrying amount, after 10 years 23  
HTM securities: Net carrying amount, total 709 1,154
Fair Value    
AFS securities: Fair value, due within 1 year 591  
AFS securities: Fair value, after 1 year through 5 years 3,674  
AFS securities: Fair value, after 5 years through 10 years 189  
AFS securities: Fair value, after 10 years 765  
AFS securities: Fair value, total 5,219 5,316
HTM securities: Fair value, due within 1 year 199  
HTM securities: Fair value, after 1 year through 5 years 338  
HTM securities: Fair value, after 5 years through 10 years 110  
HTM securities: Fair value, after 10 years 19  
HTM securities: Fair value, total $ 666 1,066
Annualized Average Yield    
AFS securities: Annualized average yield, due within 1 year (as a percent) 2.10%  
AFS securities: Annualized average yield, after 1 year through 5 years (as a percent) 1.80%  
AFS securities: Annualized average yield, after 5 years through 10 years (as a percent) 1.30%  
AFS securities: Annualized average yield, after 10 years (as a percent) 1.60%  
HTM securities: Annualized average yield, due within 1 year (as a percent) 1.10%  
HTM securities: Annualized average yield, after 1 years through 5 years (as a percent) 1.40%  
HTM securities: Annualized average yield, after 5 years through 10 years (as a percent) 1.60%  
HTM securities: Annualized average yield, after 10 year (as a percent) 1.30%  
Non-agency CMBS    
Amortized Cost    
HTM securities: Net carrying amount, due within 1 year $ 138  
HTM securities: Net carrying amount, after 1 year through 5 years 847  
HTM securities: Net carrying amount, after 5 year through 10 years 321  
HTM securities: Net carrying amount, after 10 years 473  
HTM securities: Net carrying amount, total 1,779 1,450
Fair Value    
HTM securities: Fair value, due within 1 year 135  
HTM securities: Fair value, after 1 year through 5 years 824  
HTM securities: Fair value, after 5 years through 10 years 298  
HTM securities: Fair value, after 10 years 471  
HTM securities: Fair value, total $ 1,728 1,340
Annualized Average Yield    
HTM securities: Annualized average yield, due within 1 year (as a percent) 4.90%  
HTM securities: Annualized average yield, after 1 years through 5 years (as a percent) 4.60%  
HTM securities: Annualized average yield, after 5 years through 10 years (as a percent) 4.50%  
HTM securities: Annualized average yield, after 10 year (as a percent) 6.90%  
State and municipal securities    
Amortized Cost    
AFS securities: Amortized cost, due within 1 year $ 78  
AFS securities: Amortized cost, after 1 year through 5 years 243  
AFS securities: Amortized cost, after 5 years through 10 years 113  
AFS securities: Amortized cost, after 10 years 1,320  
Amortized cost 1,754 1,373
Fair Value    
AFS securities: Fair value, due within 1 year 78  
AFS securities: Fair value, after 1 year through 5 years 239  
AFS securities: Fair value, after 5 years through 10 years 114  
AFS securities: Fair value, after 10 years 1,316  
AFS securities: Fair value, total $ 1,747 1,387
Annualized Average Yield    
AFS securities: Annualized average yield, due within 1 year (as a percent) 4.80%  
AFS securities: Annualized average yield, after 1 year through 5 years (as a percent) 3.60%  
AFS securities: Annualized average yield, after 5 years through 10 years (as a percent) 4.90%  
AFS securities: Annualized average yield, after 10 years (as a percent) 4.50%  
FFELP student loan ABS    
Amortized Cost    
AFS securities: Amortized cost, due within 1 year $ 59  
AFS securities: Amortized cost, after 1 year through 5 years 47  
AFS securities: Amortized cost, after 5 years through 10 years 26  
AFS securities: Amortized cost, after 10 years 354  
Amortized cost 486 612
Fair Value    
AFS securities: Fair value, due within 1 year 57  
AFS securities: Fair value, after 1 year through 5 years 46  
AFS securities: Fair value, after 5 years through 10 years 25  
AFS securities: Fair value, after 10 years 353  
AFS securities: Fair value, total $ 481 $ 604
Annualized Average Yield    
AFS securities: Annualized average yield, due within 1 year (as a percent) 4.60%  
AFS securities: Annualized average yield, after 1 year through 5 years (as a percent) 4.60%  
AFS securities: Annualized average yield, after 5 years through 10 years (as a percent) 3.90%  
AFS securities: Annualized average yield, after 10 years (as a percent) 4.90%