XML 55 R42.htm IDEA: XBRL DOCUMENT v3.25.3
SECURITIES - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]          
Accrued interest receivable on debt securities $ 135,000,000   $ 135,000,000   $ 125,000,000
Taxable interest income from securities $ 433,000,000 $ 423,000,000 $ 1,300,000,000 $ 1,200,000,000  
Held-to-maturity, zero expected credit loss, percent of portfolio 96.00%   96.00%    
Allowance for credit loss recognized $ 0   $ 0    
Mortgage-backed securities          
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]          
Securitizations of mortgage loans 87,000,000 $ 48,000,000   $ 181,000,000  
Securities Sold under Agreements to Repurchase          
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]          
Debt securities at fair value $ 3,600,000,000   $ 3,600,000,000   $ 4,000,000,000.0