v3.25.2
Debt Securities - Schedule of Available for Sale Securities (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Debt    
Amortized cost [1] $ 2,920 $ 3,109
Gross unrealized gains [1] 12 7
Gross unrealized losses [1] (27) (37)
Estimated fair value [1] 2,905 3,079
U.S. government and federal agency    
Debt    
Amortized cost 1,798 1,841
Gross unrealized gains 7 3
Gross unrealized losses 0 0
Estimated fair value 1,805 1,844
State and municipal    
Debt    
Amortized cost 26 17
Gross unrealized gains 0 0
Gross unrealized losses 0 (1)
Estimated fair value 26 16
Residential mortgage-backed    
Debt Securities, Available-for-sale [Line Items]    
Residential Mortgage Backed Securities pledged as collateral to the Federal Reserve 451 551
Debt    
Amortized cost [2] 310 324
Gross unrealized gains [2] 0 0
Gross unrealized losses [2] (27) (35)
Estimated fair value [2] 283 289
Asset-backed    
Debt    
Amortized cost [3] 778 919
Gross unrealized gains [3] 4 4
Gross unrealized losses [3] 0 (1)
Estimated fair value [3] 782 922
Other Debt Obligations    
Debt    
Amortized cost 8 8
Gross unrealized gains 1 0
Gross unrealized losses 0 0
Estimated fair value $ 9 $ 8
[1] At June 30, 2025 and December 31, 2024, the estimated fair value of debt securities pledged by the Bank as collateral to the Federal Reserve to secure Federal Reserve discount window advances was $451 million and $551 million, respectively.
[2] All of our residential mortgage-backed securities have been issued by government-sponsored entities and are collateralized by U.S. mortgages.
[3]     Our asset-backed securities are collateralized by credit card and auto loans.