Annual report [Section 13 and 15(d), not S-K Item 405]

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

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Securitizations and Other Variable Interest Entities - Mortgage and Home Equity Securitizations (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
On-balance sheet assets        
Trading account assets $ 366,954 $ 314,460    
Debt securities carried at fair value 402,975 358,607    
Held-to-maturity securities 522,685 558,713    
Loans and leases 1,185,700 1,095,835    
Allowance for loan and lease losses 13,203 13,240 $ 13,342 $ 12,682
All other assets 164,986 161,836    
Total assets 3,411,738 3,261,299  
Total liabilities 3,108,495 2,967,336    
Consolidated VIEs        
On-balance sheet assets        
Trading account assets 7,139 5,575    
Loans and leases 17,875 19,144    
Allowance for loan and lease losses 871 919    
All other assets 709 319    
Total assets 24,852 24,119    
Total liabilities 12,644 11,807    
Agency | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 6,869 7,353    
On-balance sheet assets        
All other assets 0 0    
Total assets 6,869 7,353    
Principal balance outstanding 65,290 69,018    
Agency | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 939 1,132    
On-balance sheet assets        
Trading account assets 939 1,132    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
All other assets 0 0    
Total assets 939 1,132    
Total liabilities 0 0    
Agency | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 218 126    
Debt securities carried at fair value 2,050 2,222    
Held-to-maturity securities 4,601 5,005    
Residential Mortgage | Prime and Alt-A | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 11 84    
On-balance sheet assets        
All other assets 2 3    
Total assets 11 13    
Principal balance outstanding 11,242 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 495 301    
On-balance sheet assets        
All other assets 17 23    
Total assets 430 451    
Principal balance outstanding 3,775 4,180    
Residential Mortgage | Subprime | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 30 0    
On-balance sheet assets        
Trading account assets 245 0    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
All other assets 0 0    
Total assets 245 0    
Total liabilities 215 0    
Residential Mortgage | Subprime | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 6 12    
Debt securities carried at fair value 407 416    
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 154 187    
Home equity | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 8 10    
On-balance sheet assets        
Trading account assets 0 0    
Loans and leases 15 22    
Allowance for loan and lease losses 5 6    
All other assets 1 1    
Total assets 21 29    
Total liabilities 13 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 38,502      
Commercial Mortgage | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 1,770 1,640    
On-balance sheet assets        
All other assets 24 41    
Total assets 1,634 1,541    
Principal balance outstanding 91,802 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 535 328    
Debt securities carried at fair value 0 0    
Held-to-maturity securities $ 1,075 $ 1,172