Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Securitizations and Other Variable Interest Entities - Other Variable Interest Entities, Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Variable Interest Entity [Line Items]          
Total assets $ 2,741,688 $ 2,395,892 $ 2,741,688 $ 2,395,892 $ 2,434,079
Consolidated VIEs          
Variable Interest Entity [Line Items]          
Total assets 28,616   28,616   44,381
Customer Vehicles          
Variable Interest Entity [Line Items]          
Maximum loss exposure 2,100   2,100   2,200
Collateralized Debt Obligations          
Variable Interest Entity [Line Items]          
Maximum loss exposure 245   245   304
Investment Vehicles          
Variable Interest Entity [Line Items]          
Maximum loss exposure 6,300   6,300   6,400
Investment Vehicles | Consolidated VIEs          
Variable Interest Entity [Line Items]          
Total assets 601   601   104
Investment Vehicles | Unconsolidated VIEs          
Variable Interest Entity [Line Items]          
Total assets 35,100   35,100   32,400
Leveraged Lease Trusts | Consolidated VIEs          
Variable Interest Entity [Line Items]          
Total assets 1,700   1,700   1,700
Tax Credit Vehicles          
Investments in Affordable Housing Projects [Abstract]          
Unfunded commitments 4,600   $ 4,600   4,300
Unfunded commitment payment period     5 years    
Tax credits and other benefits 342 291 $ 610 571  
Expected tax benefits recognized, as a percentage     25.00%    
Tax Credit Vehicles | Other income          
Investments in Affordable Housing Projects [Abstract]          
Pretax income (losses) (255) $ 234 $ (527) $ 482  
Tax Credit Vehicles | Other assets          
Investments in Affordable Housing Projects [Abstract]          
Investments in affordable housing project investments 10,300   10,300   10,000
Tax Credit Vehicles | Unconsolidated VIEs          
Variable Interest Entity [Line Items]          
Maximum loss exposure $ 19,600   $ 19,600   $ 18,900