Quarterly report pursuant to Section 13 or 15(d)

Securitizations and Other Variable Interest Entities - Other Asset-backed Securitizations, Additional Information (Details)

v3.21.2
Securitizations and Other Variable Interest Entities - Other Asset-backed Securitizations, Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Unconsolidated VIEs          
Variable Interest Entity [Line Items]          
Liquidity commitments to unconsolidated securitization trusts $ 968   $ 968   $ 929
Credit card          
Variable Interest Entity [Line Items]          
Principal balance outstanding $ 6,500   $ 6,500   $ 6,800
Transferred financial assets, stated interest rate 0.00%   0.00%   0.00%
Credit card | Senior securities:          
Variable Interest Entity [Line Items]          
Transferred financial assets, amount     $ 1,000    
Credit card | Junior Lien          
Variable Interest Entity [Line Items]          
Transferred financial assets, amount     161    
Resecuritization Trusts          
Variable Interest Entity [Line Items]          
Cash proceeds from new securitizations $ 5,900 $ 8,300 20,600 $ 26,400  
Resecuritization Trusts | Securities          
Variable Interest Entity [Line Items]          
Cash proceeds from new securitizations 1,000 $ 598 1,600 5,500  
Resecuritization Trusts | Trading account assets          
Variable Interest Entity [Line Items]          
Cash proceeds from new securitizations       1,800  
Resecuritization Trusts | Debt securities          
Variable Interest Entity [Line Items]          
Cash proceeds from new securitizations       2,100  
Resecuritization Trusts | Held-to-maturity Securities          
Variable Interest Entity [Line Items]          
Cash proceeds from new securitizations       $ 1,700  
Municipal Bond Trusts | Unconsolidated VIEs          
Variable Interest Entity [Line Items]          
Liquidity commitments to unconsolidated securitization trusts $ 3,900   $ 3,900   $ 3,500
Weighted average remaining life of bonds held in the trusts in years     6 years 4 months 24 days