Annual report pursuant to Section 13 and 15(d)

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

v3.24.0.1
Securitizations and Other Variable Interest Entities - Mortgage and Home Equity Securitizations (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
On-balance sheet assets        
Trading account assets $ 277,354 $ 296,108    
Debt securities carried at fair value 276,852 229,994    
Held-to-maturity securities 594,591 632,863    
Loans and leases 1,053,732 1,045,747    
Allowance for loan and lease losses (13,342) (12,682) $ (12,387) $ (18,802)
All other assets 160,875 150,759    
Total assets 3,180,151 3,051,375  
Total liabilities 2,888,505 2,778,178    
Consolidated VIEs        
On-balance sheet assets        
Trading account assets 6,054 2,816    
Loans and leases 18,276 16,738    
Allowance for loan and lease losses (826) (797)    
All other assets 269 116    
Total assets 23,773 18,873    
Total liabilities 11,432 4,636    
Agency | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 8,190 9,112    
On-balance sheet assets        
All other assets 0 0    
Total assets 8,190 9,112    
Principal balance outstanding 76,134 81,644    
Agency | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 1,164 1,735    
On-balance sheet assets        
Trading account assets 1,171 1,735    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
All other assets 0 0    
Total assets 1,171 1,735    
Total liabilities 7 0    
Agency | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 235 232    
Debt securities carried at fair value 2,541 3,027    
Held-to-maturity securities 5,414 5,853    
Residential Mortgage | Prime and Alt-A | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 92 119    
On-balance sheet assets        
All other assets 4 5    
Total assets 17 34    
Principal balance outstanding 13,963 15,541    
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 13 29    
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 657 735    
On-balance sheet assets        
All other assets 23 25    
Total assets 384 460    
Principal balance outstanding 4,508 5,034    
Residential Mortgage | Subprime | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 0 78    
On-balance sheet assets        
Trading account assets 0 78    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
All other assets 0 0    
Total assets 0 78    
Total liabilities 0 0    
Residential Mortgage | Subprime | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 20 25    
Debt securities carried at fair value 341 410    
Held-to-maturity securities 0 0    
Home Equity | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 0 119    
On-balance sheet assets        
All other assets 0 0    
Total assets 0 1    
Principal balance outstanding 252 326    
Home Equity | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 12 32    
On-balance sheet assets        
Trading account assets 0 0    
Loans and leases 31 97    
Allowance for loan and lease losses 7 12    
All other assets 1 2    
Total assets 39 111    
Total liabilities 27 79    
Home Equity | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 0 0    
Debt securities carried at fair value 0 1    
Held-to-maturity securities 0 0    
Commercial Mortgage        
On-balance sheet assets        
Debt securities carried at fair value 10,446      
Commercial Mortgage | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 1,558 1,594    
On-balance sheet assets        
All other assets 79 101    
Total assets 1,436 1,460    
Principal balance outstanding 80,078 85,101    
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 70 91    
Debt securities carried at fair value 0 0    
Held-to-maturity securities $ 1,287 $ 1,268