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, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Variable Interest Entity [Line Items]          
Total assets of VIEs $ 1,600   $ 1,600   $ 1,500
Total assets 3,123,198 $ 3,111,606 3,123,198 $ 3,111,606 3,051,375
Consolidated VIEs          
Variable Interest Entity [Line Items]          
Total assets 19,824   19,824   18,873
Customer Vehicles          
Variable Interest Entity [Line Items]          
Maximum loss exposure 935   935   914
Collateralized Debt Obligations And Collateralized Loan Obligations          
Variable Interest Entity [Line Items]          
Maximum loss exposure 16,300   16,300   16,300
Collateralized Debt Obligations And Collateralized Loan Obligations | Unconsolidated VIEs          
Variable Interest Entity [Line Items]          
Loans and securities 16,200   16,200   16,300
Investment Vehicles          
Variable Interest Entity [Line Items]          
Maximum loss exposure 2,300   2,300   2,400
Investment Vehicles | Consolidated VIEs          
Variable Interest Entity [Line Items]          
Total assets 463   463   854
Investment Vehicles | Unconsolidated VIEs          
Variable Interest Entity [Line Items]          
Total assets 18,800   18,800   12,200
Leveraged Lease Trusts | Consolidated VIEs          
Variable Interest Entity [Line Items]          
Total assets 1,200   1,200   1,200
Tax Credit Vehicles          
Investments in Affordable Housing Projects [Abstract]          
Investments in affordable housing project investments 15,100   15,100   14,700
Unfunded commitments 7,200   $ 7,200   6,900
Unfunded commitment payment period     5 years    
Tax credits and other benefits 517 423 $ 1,000 842  
Pretax losses 383 345 756 682  
Tax Credit Vehicles | Unconsolidated VIEs          
Variable Interest Entity [Line Items]          
Maximum loss exposure 29,100   29,100   28,800
Total assets 77,100   77,100   74,800
Renewable Energy Investments          
Investments in Affordable Housing Projects [Abstract]          
Equity investments 14,000   14,000   13,900
Unfunded capital contributions 6,100   $ 6,100   $ 1,900
Term of unfunded capital contributions (in years)     2 years    
Tax credits and other tax benefits related to renewable energy investments 1,100 621 $ 2,100 1,500  
Pretax losses in renewable energy investments $ 567 $ 502 $ 1,100 $ 1,000