Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Securitizations and Other Variable Interest Entities - Other Asset-backed Securitizations, Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Unconsolidated VIEs      
Variable Interest Entity [Line Items]      
Liquidity commitments to unconsolidated securitization trusts $ 933   $ 1,100
Credit Card      
Variable Interest Entity [Line Items]      
Principal balance outstanding $ 7,000   7,400
Transferred financial assets, stated interest rate 0.00%    
Resecuritization Trusts      
Variable Interest Entity [Line Items]      
Cash proceeds from new securitizations $ 7,400 $ 4,400  
Resecuritization Trusts | Debt securities      
Variable Interest Entity [Line Items]      
Cash proceeds from new securitizations 526 $ 1,300  
Municipal Bond Trusts | Unconsolidated VIEs      
Variable Interest Entity [Line Items]      
Liquidity commitments to unconsolidated securitization trusts $ 3,200   $ 3,700
Weighted average remaining life of bonds held in the trusts in years 7 years 6 months