Quarterly report pursuant to Section 13 or 15(d)

Securitizations and Other Variable Interest Entities - Other Variable Interest Entities, Narrative (Details)

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Securitizations and Other Variable Interest Entities - Other Variable Interest Entities, Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Variable Interest Entity [Line Items]          
Total assets $ 3,111,606 $ 3,029,894 $ 3,111,606 $ 3,029,894 $ 3,169,495
Consolidated VIEs          
Variable Interest Entity [Line Items]          
Total assets 17,809   17,809   21,370
Customer Vehicles          
Variable Interest Entity [Line Items]          
Maximum loss exposure 993   993   2,900
Collateralized Debt Obligations          
Variable Interest Entity [Line Items]          
Maximum loss exposure 124   124   235
Investment Vehicles          
Variable Interest Entity [Line Items]          
Maximum loss exposure 1,800   1,800   2,000
Investment Vehicles | Consolidated VIEs          
Variable Interest Entity [Line Items]          
Total assets 657   657   1,000
Investment Vehicles | Unconsolidated VIEs          
Variable Interest Entity [Line Items]          
Total assets 7,800   7,800   7,100
Leveraged Lease Trusts | Consolidated VIEs          
Variable Interest Entity [Line Items]          
Total assets 1,400   1,400   1,500
Tax Credit Vehicles          
Investments in Affordable Housing Projects [Abstract]          
Investments in affordable housing project investments 13,400   13,400   12,600
Unfunded commitments 6,400   $ 6,400   5,800
Unfunded commitment payment period     5 years    
Tax credits and other benefits 375 334 $ 748 727  
Pretax losses 314 $ 279 627 $ 555  
Tax Credit Vehicles | Unconsolidated VIEs          
Variable Interest Entity [Line Items]          
Maximum loss exposure $ 26,700   $ 26,700   $ 25,700