v3.25.4
Derivative and Hedging Activities - Schedule of Company's Carrying Amounts on our Hedged Loans (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Loans and leases $ 3,310 $ 4,369 $ 4,509
U. S. Treasury obligations      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Carrying Amount of Hedged Items 1,016 0  
Cumulative Amount of Fair Value Hedging Adjustments 14 0  
GSE CMOs      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Carrying Amount of Hedged Items 1,957 0  
Cumulative Amount of Fair Value Hedging Adjustments 7 0  
GSE debentures      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Carrying Amount of Hedged Items 1,297 0  
Cumulative Amount of Fair Value Hedging Adjustments 10 0  
Debt securities available-for-sale      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Carrying Amount of Hedged Items 4,270 0  
Cumulative Amount of Fair Value Hedging Adjustments 31 0  
Loans and leases held-for-investment      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Carrying Amount of Hedged Items 5,073 5,861  
Cumulative Amount of Fair Value Hedging Adjustments (2) (18)  
Loans and leases $ 13 $ 30 $ 24