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 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 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 $ 6,600   $ 6,600   $ 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 $ 10,700 14,700 $ 18,100  
Resecuritization Trusts | Securities          
Variable Interest Entity [Line Items]          
Cash proceeds from new securitizations 233 4,400 519 4,900  
Resecuritization Trusts | Trading account assets          
Variable Interest Entity [Line Items]          
Cash proceeds from new securitizations   654   1,200  
Resecuritization Trusts | Debt securities          
Variable Interest Entity [Line Items]          
Cash proceeds from new securitizations   2,100   2,100  
Resecuritization Trusts | Held-to-maturity Securities          
Variable Interest Entity [Line Items]          
Cash proceeds from new securitizations   $ 1,700   $ 1,700  
Municipal Bond Trusts | Unconsolidated VIEs          
Variable Interest Entity [Line Items]          
Liquidity commitments to unconsolidated securitization trusts $ 3,700   $ 3,700   $ 3,500
Weighted average remaining life of bonds held in the trusts in years     6 years 6 months