v3.25.2
Investment Securities - Available-For-Sale Securities (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]    
Amortized
Cost Basis $ 3,586 $ 3,815
Gross Unrealized Gains in Other Comprehensive Income 216 198
Gross Unrealized Losses in Other Comprehensive Income (74) (114)
Available-for-Sale, at fair value 3,728 3,899
Accrued Interest Receivable 10 10
Agency    
Debt Securities, Available-for-sale [Line Items]    
Amortized
Cost Basis 3,251 3,528
Gross Unrealized Gains in Other Comprehensive Income 11 4
Gross Unrealized Losses in Other Comprehensive Income (58) (100)
Available-for-Sale, at fair value 3,204 3,432
Accrued Interest Receivable 7 7
Other mortgage-related securities [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized
Cost Basis 335 287
Gross Unrealized Gains in Other Comprehensive Income 205 194
Gross Unrealized Losses in Other Comprehensive Income (16) (14)
Available-for-Sale, at fair value 524 467
Accrued Interest Receivable $ 3 $ 3