v3.26.3
INVESTMENT SECURITIES - Schedule of Amortized Cost and Fair Value of Securities, by Contractual Maturities (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Amortized Cost    
Available for sale, due in one year or less, amortized cost $ 153  
Available for sale, due after one year but within five years, amortized cost 571  
Available for sale, due after five years but within ten years, amortized cost 73  
Available for sale, due after ten years, amortized cost 15  
Available for sale, with contractual maturities, amortized cost 812  
Amortized Cost 3,927 $ 3,783
Fair Value    
Available for sale, due in one year or less, fair value 153  
Available for sale, due after one year but within five years, fair value 556  
Available for sale, due after five years but within ten years, fair value 70  
Available for sale, due after ten years, fair value 14  
Available for sale, with contractual maturities, fair value 793  
Fair value 3,747 3,727
Amortized Cost    
Held to maturity, due in one year or less, amortized cost 11  
Held to maturity, due after one year but within five years, amortized cost 99  
Held to maturity, due after five years but within ten years, amortized cost 375  
Held to maturity, due after ten years, amortized cost 514  
Held to maturity, with contractual maturities, amortized cost 999  
Amortized Cost 4,404 4,117
Fair Value    
Held to maturity, due in one year or less, fair value 11  
Held to maturity, due after one year but within five years, fair value 92  
Held to maturity, due after five years but within ten years, fair value 327  
Held to maturity, due after ten years, fair value 419  
Held to maturity, with contractual maturities, fair value 849  
Fair Value 4,021 3,941
Agency MBS    
Amortized Cost    
Available-for-sale, amortized cost 746  
Amortized Cost 746 801
Fair Value    
Available for sale, fair value 710  
Fair value 710 800
Amortized Cost    
Held to maturity, amortized cost 933  
Amortized Cost 933 784
Fair Value    
Held to maturity, fair value 845  
Fair Value 845 731
Agency CMO    
Amortized Cost    
Available-for-sale, amortized cost 570  
Amortized Cost 570 662
Fair Value    
Available for sale, fair value 494  
Fair value 494 601
Amortized Cost    
Held to maturity, amortized cost 540  
Amortized Cost 540 612
Fair Value    
Held to maturity, fair value 462  
Fair Value 462 550
Agency commercial MBS    
Amortized Cost    
Available-for-sale, amortized cost 1,799  
Amortized Cost 1,799 1,595
Fair Value    
Available for sale, fair value 1,750  
Fair value 1,750 1,599
Amortized Cost    
Held to maturity, amortized cost 1,932  
Amortized Cost 1,932 1,715
Fair Value    
Held to maturity, fair value 1,865  
Fair Value $ 1,865 $ 1,714