Quarterly report [Sections 13 or 15(d)]

Securitizations and Other Variable Interest Entities - Mortgage and Home Equity Securitizations (Details)

v3.25.1
Securitizations and Other Variable Interest Entities - Mortgage and Home Equity Securitizations (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Mar. 31, 2024
Dec. 31, 2023
On-balance sheet assets        
Trading account assets $ 339,614 $ 314,460    
Debt securities carried at fair value 388,559 358,607    
Held-to-maturity securities 550,756 558,713    
Loans and leases 1,110,625 1,095,835    
Allowance for loan and lease losses (13,256) (13,240) $ (13,213) $ (13,342)
All other assets 159,362 162,056    
Total assets 3,349,424 3,261,519 $ 3,273,803  
Total liabilities 3,053,843 2,965,960    
Consolidated VIEs        
On-balance sheet assets        
Trading account assets 6,062 5,575    
Loans and leases 18,045 19,144    
Allowance for loan and lease losses (911) (919)    
All other assets 608 319    
Total assets 23,804 24,119    
Total liabilities 12,687 11,807    
Agency | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 7,319 7,353    
On-balance sheet assets        
All other assets 0 0    
Total assets 7,319 7,353    
Principal balance outstanding 68,134 69,018    
Agency | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 793 1,132    
On-balance sheet assets        
Trading account assets 793 1,132    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
All other assets 0 0    
Total assets 793 1,132    
Total liabilities 0 0    
Agency | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 205 126    
Debt securities carried at fair value 2,202 2,222    
Held-to-maturity securities 4,912 5,005    
Residential Mortgage | Prime and Alt-A | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 83 84    
On-balance sheet assets        
All other assets 3 3    
Total assets 12 13    
Principal balance outstanding 12,205 12,590    
Residential Mortgage | Prime and Alt-A | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 0 0    
On-balance sheet assets        
Trading account assets 0 0    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
All other assets 0 0    
Total assets 0 0    
Total liabilities 0 0    
Residential Mortgage | Prime and Alt-A | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 9 10    
Debt securities carried at fair value 0 0    
Held-to-maturity securities 0 0    
Residential Mortgage | Subprime | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 259 301    
On-balance sheet assets        
All other assets 15 23    
Total assets 434 451    
Principal balance outstanding 3,863 4,180    
Residential Mortgage | Subprime | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 13 0    
On-balance sheet assets        
Trading account assets 255 0    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
All other assets 0 0    
Total assets 255 0    
Total liabilities 242 0    
Residential Mortgage | Subprime | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 5 12    
Debt securities carried at fair value 414 416    
Held-to-maturity securities 0 0    
Home Equity | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 0 0    
On-balance sheet assets        
All other assets 0 0    
Total assets 0 0    
Principal balance outstanding 0 187    
Home Equity | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 10 10    
On-balance sheet assets        
Trading account assets 0 0    
Loans and leases 20 22    
Allowance for loan and lease losses 6 6    
All other assets 1 1    
Total assets 27 29    
Total liabilities 17 19    
Home Equity | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 0 0    
Debt securities carried at fair value 0 0    
Held-to-maturity securities 0 0    
Commercial Mortgage        
On-balance sheet assets        
Debt securities carried at fair value 29,662      
Commercial Mortgage | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 1,771 1,640    
On-balance sheet assets        
All other assets 31 41    
Total assets 1,627 1,541    
Principal balance outstanding 93,548 90,222    
Commercial Mortgage | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 0 0    
On-balance sheet assets        
Trading account assets 0 0    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
All other assets 0 0    
Total assets 0 0    
Total liabilities 0 0    
Commercial Mortgage | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 454 328    
Debt securities carried at fair value 0 0    
Held-to-maturity securities $ 1,142 $ 1,172