Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Securitizations and Other Variable Interest Entities - Other Variable Interest Entities, Additional Information (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Variable Interest Entity [Line Items]      
Total assets $ 2,619,954 $ 2,377,164 $ 2,434,079
Consolidated VIEs      
Variable Interest Entity [Line Items]      
Total assets 41,478   44,381
Customer Vehicles      
Variable Interest Entity [Line Items]      
Maximum loss exposure 1,900   2,200
Collateralized Debt Obligations      
Variable Interest Entity [Line Items]      
Maximum loss exposure 209   304
Investment Vehicles      
Variable Interest Entity [Line Items]      
Maximum loss exposure 6,600   6,400
Investment Vehicles | Consolidated VIEs      
Variable Interest Entity [Line Items]      
Total assets 595   104
Investment Vehicles | Unconsolidated VIEs      
Variable Interest Entity [Line Items]      
Total assets 35,000   32,400
Leveraged Lease Trusts | Consolidated VIEs      
Variable Interest Entity [Line Items]      
Total assets 1,700   1,700
Tax Credit Vehicles      
Investments in Affordable Housing Projects [Abstract]      
Unfunded commitments $ 4,300   4,300
Unfunded commitment payment period 5 years    
Tax credits and other benefits $ 268 280  
Expected tax benefits recognized, as a percentage 25.00%    
Tax Credit Vehicles | Other income      
Investments in Affordable Housing Projects [Abstract]      
Pretax income (losses) $ (272) $ (248)  
Tax Credit Vehicles | Other assets      
Investments in Affordable Housing Projects [Abstract]      
Investments in affordable housing project investments 10,000   10,000
Tax Credit Vehicles | Unconsolidated VIEs      
Variable Interest Entity [Line Items]      
Maximum loss exposure $ 19,000   $ 18,900