v3.26.1
INVESTMENT SECURITIES (Contractual Maturities Debt Securities) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Amortized cost    
Available-for-sale $ 10,426 $ 10,353
Due in one year or less 285  
Due after one year through five years 993  
Due after five years through ten years 3,757  
Due after ten years $ 5,391  
Average yield    
Total debt securities 2.52%  
Due in one year or less 3.71%  
Due after one year through five years 2.96%  
Due after five years through ten years 2.65%  
Due after ten years 2.28%  
Amortized cost    
Total debt securities $ 8,477  
Due in one year or less 35  
Due after one year through five years 159  
Due after five years through ten years 159  
Due after ten years $ 8,124  
Average yield    
Total debt securities 1.91%  
Due in one year or less 3.42%  
Due after one year through five years 2.48%  
Due after five years through ten years 3.67%  
Due after ten years 1.85%  
Amortized cost    
Total investment securities $ 18,903 19,220
Due in one year or less 320  
Due after one year through five years 1,152  
Due after five years through ten years 3,916  
Due after ten years $ 13,515  
Average yield    
Total debt securities 2.24%  
Due in one year or less 3.68%  
Due after one year through five years 2.90%  
Due after five years through ten years 2.69%  
Due after ten years 2.03%  
U.S. Treasury securities    
Amortized cost    
Available-for-sale $ 2,097 1,500
Due in one year or less 200  
Due after one year through five years 300  
Due after five years through ten years 1,196  
Due after ten years $ 401  
Average yield    
Total debt securities 3.83%  
Due in one year or less 4.04%  
Due after one year through five years 4.05%  
Due after five years through ten years 4.23%  
Due after ten years 2.35%  
Agency securities    
Amortized cost    
Available-for-sale $ 282 313
Due in one year or less 0  
Due after one year through five years 56  
Due after five years through ten years 155  
Due after ten years $ 71  
Average yield    
Total debt securities 3.33%  
Due in one year or less 0.00%  
Due after one year through five years 4.09%  
Due after five years through ten years 3.02%  
Due after ten years 3.41%  
Amortized cost    
Total debt securities $ 132  
Due in one year or less 0  
Due after one year through five years 0  
Due after five years through ten years 80  
Due after ten years $ 52  
Average yield    
Total debt securities 4.16%  
Due in one year or less 0.00%  
Due after one year through five years 0.00%  
Due after five years through ten years 3.52%  
Due after ten years 5.15%  
Agency guaranteed mortgage-backed securities    
Amortized cost    
Available-for-sale $ 6,826 7,207
Due in one year or less 7  
Due after one year through five years 272  
Due after five years through ten years 1,847  
Due after ten years $ 4,700  
Average yield    
Total debt securities 2.07%  
Due in one year or less 1.71%  
Due after one year through five years 2.63%  
Due after five years through ten years 1.73%  
Due after ten years 2.17%  
Amortized cost    
Total debt securities $ 8,103  
Due in one year or less 0  
Due after one year through five years 36  
Due after five years through ten years 0  
Due after ten years $ 8,067  
Average yield    
Total debt securities 1.83%  
Due in one year or less 0.00%  
Due after one year through five years 1.77%  
Due after five years through ten years 0.00%  
Due after ten years 1.83%  
Small Business Administration loan-backed securities    
Amortized cost    
Available-for-sale $ 301 355
Due in one year or less 0  
Due after one year through five years 16  
Due after five years through ten years 94  
Due after ten years $ 191  
Average yield    
Total debt securities 3.97%  
Due in one year or less 0.00%  
Due after one year through five years 4.78%  
Due after five years through ten years 3.50%  
Due after ten years 4.14%  
Municipal securities    
Amortized cost    
Available-for-sale $ 895 953
Due in one year or less 78  
Due after one year through five years 339  
Due after five years through ten years 465  
Due after ten years $ 13  
Average yield    
Total debt securities 1.99%  
Due in one year or less 3.05%  
Due after one year through five years 1.80%  
Due after five years through ten years 1.93%  
Due after ten years 2.51%  
Amortized cost    
Total debt securities $ 242  
Due in one year or less 35  
Due after one year through five years 123  
Due after five years through ten years 79  
Due after ten years $ 5  
Average yield    
Total debt securities 3.26%  
Due in one year or less 3.42%  
Due after one year through five years 2.69%  
Due after five years through ten years 3.82%  
Due after ten years 7.38%  
Other debt securities    
Amortized cost    
Available-for-sale $ 25 $ 25
Due in one year or less 0  
Due after one year through five years 10  
Due after five years through ten years 0  
Due after ten years $ 15  
Average yield    
Total debt securities 7.79%  
Due in one year or less 0.00%  
Due after one year through five years 9.51%  
Due after five years through ten years 0.00%  
Due after ten years 6.65%