v3.25.1
Investments AFS by Contractual Maturity and Prepayment Fees (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]    
Amortized cost of AFS [1] $ 20,336 $ 20,274
Available-for-sale (AFS) securities, net of allowance for credit losses of $30 and $30, respectively (amortized cost of $20,336 and $20,274, respectively) 20,393 20,312
Other Than Mortgage Backed Securities    
Debt Securities, Available-for-sale [Line Items]    
Due in 1 year or less - Amortized cost 2,891 3,181
Due in 1 year or less - Fair value 2,892 3,183
Due after 1 year through 5 years - Amortized cost 3,560 3,325
Due after 1 year through 5 years - Fair value 3,561 3,327
Amortized cost of AFS 6,451 6,506
Available-for-sale (AFS) securities, net of allowance for credit losses of $30 and $30, respectively (amortized cost of $20,336 and $20,274, respectively) 6,453 6,510
State housing agency obligations    
Debt Securities, Available-for-sale [Line Items]    
Due after 1 year through 5 years - Amortized cost 11  
Due after 1 year through 5 years - Fair value 11  
Amortized cost of AFS 11  
Available-for-sale (AFS) securities, net of allowance for credit losses of $30 and $30, respectively (amortized cost of $20,336 and $20,274, respectively) 11  
Mortgage Backed Securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized cost of AFS [1] 13,874 13,768
Available-for-sale (AFS) securities, net of allowance for credit losses of $30 and $30, respectively (amortized cost of $20,336 and $20,274, respectively) $ 13,929 $ 13,802
[1] Amortized cost includes unpaid principal balance, unamortized premiums and discounts, net charge-offs, and valuation adjustments for hedging activities, and excludes accrued interest receivable of $93 million and $92 million at March 31, 2025, and December 31, 2024, respectively.