v3.25.4
Variable Interest Entities and Securitization Activities - Mortgage and Asset Backed Securitization Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Variable Interest Entity    
Debt and Equity Interests $ 1,420,270 $ 1,215,071
Variable Interest Entity, Not Primary Beneficiary    
Variable Interest Entity    
UPB 218,543 179,686
Variable Interest Entity, Not Primary Beneficiary | Residential mortgages    
Variable Interest Entity    
UPB 20,130 17,316
Variable Interest Entity, Not Primary Beneficiary | Commercial mortgages    
Variable Interest Entity    
UPB 96,473 82,730
Variable Interest Entity, Not Primary Beneficiary | U.S. agency collateralized mortgage obligations    
Variable Interest Entity    
UPB 58,876 39,317
Variable Interest Entity, Not Primary Beneficiary | Other consumer or commercial loans    
Variable Interest Entity    
UPB 43,064 40,323
Variable Interest Entity, Not Primary Beneficiary | Debt and Equity Interests    
Variable Interest Entity    
Debt and Equity Interests 32,074 26,974
Variable Interest Entity, Not Primary Beneficiary | Debt and Equity Interests | Residential mortgages    
Variable Interest Entity    
Debt and Equity Interests 3,183 2,497
Variable Interest Entity, Not Primary Beneficiary | Debt and Equity Interests | Commercial mortgages    
Variable Interest Entity    
Debt and Equity Interests 11,251 8,445
Variable Interest Entity, Not Primary Beneficiary | Debt and Equity Interests | U.S. agency collateralized mortgage obligations    
Variable Interest Entity    
Debt and Equity Interests 7,136 6,260
Variable Interest Entity, Not Primary Beneficiary | Debt and Equity Interests | Other consumer or commercial loans    
Variable Interest Entity    
Debt and Equity Interests $ 10,504 $ 9,772