v3.25.2
Fair Value Disclosures - Fair Value Measurements of Assets and Liabilities Using Significant Unobservable Inputs (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Liabilities, Total        
Liabilities:        
Beginning Balance $ 204 $ 529 $ 241 $ 496
Included in Earnings (30) (3) (67) 19
Included in Other Comprehensive Income 0 0 0 0
Purchases 0 (3) 0 (5)
Issues 0 60 3 77
Sales 0 0 0 0
Settlements, Net (4) (6) (6) (10)
Transfers into Level 3 0 0 17 0
Transfers out of Level 3 0 0 (18) 0
Ending Balance 170 577 170 577
Unrealized Gains (Losses) Still Held - Liabilities (30) 4 (67) 28
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI 0 0 0 0
Investments securities        
Assets:        
Beginning Balance 3,644 3,639 3,610 3,449
Included in Earnings (43) (105) (60) (218)
Included in Other Comprehensive Income 7 (1) 12 (6)
Purchases 202 136 289 496
Issues 0 0 0 0
Sales 0 0 0 0
Settlements, net (48) (57) (89) (109)
Transfers into Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Ending Balance 3,762 3,612 3,762 3,612
Unrealized Gains (Losses) Still Held - Assets 62 13 172 32
Unrealized Gains (Losses) Still Held, Assets, OCI 6 (1) 10 (5)
Mortgage loans held-for-sale        
Assets:        
Beginning Balance 155 787 1,295 896
Included in Earnings 0 0 3 (6)
Included in Other Comprehensive Income 0 0 0 0
Purchases 0 388 32 682
Issues 0 0 0 0
Sales 0 (500) 0 (773)
Settlements, net 0 0 0 0
Transfers into Level 3 0 0 0 35
Transfers out of Level 3 (155) (48) (1,330) (207)
Ending Balance 0 627 0 627
Unrealized Gains (Losses) Still Held - Assets 0 0 0 0
Unrealized Gains (Losses) Still Held, Assets, OCI 0 0 0 0
Mortgage loans held-for-investment        
Assets:        
Beginning Balance 737 695 841 473
Included in Earnings (5) (28) 5 (52)
Included in Other Comprehensive Income 0 0 0 0
Purchases 0 0 0 0
Issues 0 0 0 0
Sales 0 0 0 0
Settlements, net (14) (7) (69) (54)
Transfers into Level 3 271 133 302 431
Transfers out of Level 3 (5) (17) (95) (22)
Ending Balance 984 776 984 776
Unrealized Gains (Losses) Still Held - Assets (5) (53) 0 (53)
Unrealized Gains (Losses) Still Held, Assets, OCI 0 0 0 0
Other Assets        
Assets:        
Beginning Balance 5,391 5,540 5,439 5,519
Included in Earnings 65 12 144 142
Included in Other Comprehensive Income 0 0 0 0
Purchases (9) (2) (9) (12)
Issues 156 145 309 250
Sales (2) (2) (8) (7)
Settlements, net (260) (236) (534) (435)
Transfers into Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Ending Balance 5,341 5,457 5,341 5,457
Unrealized Gains (Losses) Still Held - Assets 65 12 144 140
Unrealized Gains (Losses) Still Held, Assets, OCI $ 0 $ 0 $ 0 $ 0