Quarterly report pursuant to Section 13 or 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
Mar. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
Dec. 31, 2021
On-balance sheet assets        
Trading account assets $ 314,978 $ 296,108    
Debt securities carried at fair value 172,510 229,994    
Loans and leases 1,046,406 1,045,747    
Allowance for loan and lease losses (12,514) (12,682) $ (12,104) $ (12,387)
All other assets 154,461 150,759    
Total assets 3,194,657 3,051,375 $ 3,238,223  
On-balance sheet liabilities        
Long-term debt 283,873 275,982    
Total liabilities 2,914,461 2,778,178    
Consolidated VIEs        
On-balance sheet assets        
Trading account assets 4,276 2,816    
Loans and leases 15,754 16,738    
Allowance for loan and lease losses (797) (797)    
All other assets 129 116    
Total assets 19,362 18,873    
On-balance sheet liabilities        
Long-term debt 4,883 4,581    
All other liabilities 7 12    
Total liabilities 6,229 4,635    
Other Variable Interest Entities | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 1,874 2,286    
On-balance sheet assets        
Trading account assets 344 353    
Debt securities carried at fair value 0 0    
Loans and leases 1,666 2,086    
Allowance for loan and lease losses (1) (1)    
All other assets 60 46    
Total assets 2,069 2,484    
On-balance sheet liabilities        
Short-term borrowings 22 42    
Long-term debt 173 156    
All other liabilities 0 0    
Total liabilities 195 198    
Other Variable Interest Entities | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 48,061 47,477    
On-balance sheet assets        
Trading account assets 2,126 2,187    
Debt securities carried at fair value 247 473    
Loans and leases 14,536 14,243    
Allowance for loan and lease losses (98) (99)    
All other assets 30,717 30,221    
Total assets 47,528 47,025    
On-balance sheet liabilities        
Short-term borrowings 0 0    
Long-term debt 0 0    
All other liabilities 7,357 7,318    
Total liabilities 7,357 7,318    
Other Variable Interest Entities | Variable Interest Entity        
Variable Interest Entity [Line Items]        
Maximum loss exposure 49,935 49,763    
On-balance sheet assets        
Trading account assets 2,470 2,540    
Debt securities carried at fair value 247 473    
Loans and leases 16,202 16,329    
Allowance for loan and lease losses (99) (100)    
All other assets 30,777 30,267    
Total assets 49,597 49,509    
On-balance sheet liabilities        
Short-term borrowings 22 42    
Long-term debt 173 156    
All other liabilities 7,357 7,318    
Total liabilities $ 7,552 $ 7,516