Annual report pursuant to Section 13 and 15(d)

Securitizations and Other Variable Interest Entities - Other Variable Interest Entities (Details)

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Securitizations and Other Variable Interest Entities - Other Variable Interest Entities (Details) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
On-balance sheet assets        
Trading account assets $ 180,209 $ 176,527    
Debt securities carried at fair value 313,660 322,380    
Loans and leases 906,683 896,983    
Allowance for loan and lease losses (11,237) (12,234) $ (14,419) $ (17,428)
Loans held-for-sale 9,066 7,453    
All other assets 120,709 114,688    
Total assets 2,187,702 2,144,287    
On-balance sheet liabilities        
Long-term debt 216,823 236,764    
Total liabilities 1,920,862 1,888,111    
Other Variable Interest Entities        
Variable Interest Entity [Line Items]        
Maximum loss exposure 23,821 19,211    
On-balance sheet assets        
Trading account assets 2,591 2,666    
Debt securities carried at fair value 75 126    
Loans and leases 6,648 6,706    
Allowance for loan and lease losses (33) (32)    
Loans held-for-sale 652 1,309    
All other assets 13,525 7,589    
Total assets 23,458 18,364    
On-balance sheet liabilities        
Long-term debt 395 3,025    
All other liabilities 2,983 2,702    
Total liabilities 3,378 5,727    
Consolidated total assets of VIEs 6,305 6,556    
Unconsolidated total assets of VIEs 62,095 49,190    
Total assets of VIEs 68,400 55,746    
Other Variable Interest Entities | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 6,114 6,295    
On-balance sheet assets        
Trading account assets 2,358 2,300    
Debt securities carried at fair value 0 0    
Loans and leases 3,399 3,317    
Allowance for loan and lease losses (9) (9)    
Loans held-for-sale 188 284    
All other assets 369 664    
Total assets 6,305 6,556    
On-balance sheet liabilities        
Long-term debt 395 3,025    
All other liabilities 24 5    
Total liabilities 419 3,030    
Long-term debt with recourse to general corporation credit 229 2,800    
Other Variable Interest Entities | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 17,707 12,916    
On-balance sheet assets        
Trading account assets 233 366    
Debt securities carried at fair value 75 126    
Loans and leases 3,249 3,389    
Allowance for loan and lease losses (24) (23)    
Loans held-for-sale 464 1,025    
All other assets 13,156 6,925    
Total assets 17,153 11,808    
On-balance sheet liabilities        
Long-term debt 0 0    
All other liabilities 2,959 2,697    
Total liabilities $ 2,959 $ 2,697