v3.26.1
Fair Value Disclosures - Fair Value Measurements of Assets and Liabilities Using Significant Unobservable Inputs (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Liabilities, Total    
Liabilities:    
Beginning Balance $ 155 $ 241
Included in Earnings 24 (36)
Included in Other Comprehensive Income 0 0
Purchases 0 0
Issues 21 3
Sales 0 0
Settlements, Net (2) (3)
Transfers into Level 3 0 17
Transfers out of Level 3 0 (18)
Ending Balance 198 204
Unrealized Gains (Losses) Still Held - Liabilities 14 (36)
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI 0 0
Investments securities    
Assets:    
Beginning Balance 3,486 3,610
Included in Earnings (84) (17)
Included in Other Comprehensive Income (22) 5
Purchases 21 88
Issues 0 0
Sales 0 0
Settlements, net (76) (42)
Transfers into Level 3 0 0
Transfers out of Level 3 0 0
Ending Balance 3,325 3,644
Unrealized Gains (Losses) Still Held - Assets (19) 109
Unrealized Gains (Losses) Still Held, Assets, OCI (18) 4
Mortgage loans held-for-sale    
Assets:    
Beginning Balance   1,295
Included in Earnings   3
Included in Other Comprehensive Income   0
Purchases   32
Issues   0
Sales   0
Settlements, net   0
Transfers into Level 3   0
Transfers out of Level 3   (1,175)
Ending Balance   155
Unrealized Gains (Losses) Still Held - Assets   3
Unrealized Gains (Losses) Still Held, Assets, OCI   0
Mortgage loans held-for-investment    
Assets:    
Beginning Balance 1,418 841
Included in Earnings (6) 10
Included in Other Comprehensive Income 0 0
Purchases 0 0
Issues 0 0
Sales 0 0
Settlements, net (57) (55)
Transfers into Level 3 39 31
Transfers out of Level 3 (678) (90)
Ending Balance 716 737
Unrealized Gains (Losses) Still Held - Assets (11) 6
Unrealized Gains (Losses) Still Held, Assets, OCI 0 0
Other Assets    
Assets:    
Beginning Balance 5,029 5,439
Included in Earnings (27) 79
Included in Other Comprehensive Income 0 0
Purchases (11) 0
Issues 20 153
Sales 0 (6)
Settlements, net (218) (274)
Transfers into Level 3 0 0
Transfers out of Level 3 0 0
Ending Balance 4,793 5,391
Unrealized Gains (Losses) Still Held - Assets (28) 79
Unrealized Gains (Losses) Still Held, Assets, OCI $ 0 $ 0