v3.26.3
Fair Value Disclosures - Fair Value Measurements of Assets and Liabilities Using Significant Unobservable Inputs (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Liabilities, Total        
Liabilities:        
Beginning Balance $ 238 $ 170 $ 155 $ 241
Included in Earnings 472 (14) 478 (81)
Included in Other Comprehensive Income 0 0 0 0
Purchases 7 0 7 0
Issues 70 12 153 15
Sales 0 0 0 0
Settlements, Net 0 (21) (6) (27)
Transfers into Level 3 0 0 0 17
Transfers out of Level 3 (15) 0 (15) (18)
Ending Balance 772 147 772 147
Unrealized Gains (Losses) Still Held - Liabilities 117 (14) 135 (81)
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI 0 0 0 0
Investments securities        
Assets:        
Beginning Balance 3,114 3,762 3,486 3,610
Included in Earnings (181) (88) (421) (148)
Included in Other Comprehensive Income (19) 4 (42) 16
Purchases 36 248 57 460
Issues 0 0 0 0
Sales (5) 0 (5) 0
Settlements, net (54) (63) (184) (152)
Transfers into Level 3 0 0 0 0
Transfers out of Level 3 0 (77) 0 0
Ending Balance 2,891 3,786 2,891 3,786
Unrealized Gains (Losses) Still Held - Assets (101) 16 (186) 189
Unrealized Gains (Losses) Still Held, Assets, OCI (15) 3 (33) 13
Mortgage loans held-for-sale        
Assets:        
Beginning Balance 2 0 0 1,295
Included in Earnings 0 0 (2) 3
Included in Other Comprehensive Income 0 0 0 0
Purchases 0 0 0 32
Issues 0 0 0 0
Sales (2) 0 (2) 0
Settlements, net 0 0 0 0
Transfers into Level 3 0 0 4 0
Transfers out of Level 3 0 0 0 (1,330)
Ending Balance 0 0 0 0
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 822 984 1,418 841
Included in Earnings (102) (66) (172) (61)
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 (13) (14) (77) (83)
Transfers into Level 3 675 279 981 581
Transfers out of Level 3 (129) (106) (897) (201)
Ending Balance 1,253 1,077 1,253 1,077
Unrealized Gains (Losses) Still Held - Assets (103) (67) (183) (69)
Unrealized Gains (Losses) Still Held, Assets, OCI 0 0 0 0
Other Assets        
Assets:        
Beginning Balance 4,540 5,341 5,029 5,439
Included in Earnings (102) 26 (190) 172
Included in Other Comprehensive Income 0 0 0 0
Purchases 0 (7) (15) (17)
Issues 22 50 75 359
Sales 2 (6) 3 (14)
Settlements, net (200) (235) (640) (770)
Transfers into Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Ending Balance 4,262 5,169 4,262 5,169
Unrealized Gains (Losses) Still Held - Assets (95) 26 (187) 172
Unrealized Gains (Losses) Still Held, Assets, OCI $ 0 $ 0 $ 0 $ 0