Quarterly report pursuant to Section 13 or 15(d)

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

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Securitizations and Other Variable Interest Entities - Other Asset-backed Securitizations, 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
Unconsolidated VIEs          
Variable Interest Entity [Line Items]          
Liquidity commitments to unconsolidated securitization trusts $ 967   $ 967   $ 978
Credit card          
Variable Interest Entity [Line Items]          
Principal balance outstanding $ 4,900   $ 4,900   $ 6,700
Transferred financial assets, stated interest rate 0.00%   0.00%   0.00%
Credit card | Senior debt securities          
Variable Interest Entity [Line Items]          
Transferred financial assets, amount     $ 1,000 $ 1,000  
Credit card | Junior Lien          
Variable Interest Entity [Line Items]          
Transferred financial assets, amount     161 161  
Resecuritization Trusts          
Variable Interest Entity [Line Items]          
Cash proceeds from new securitizations $ 4,100 $ 4,600 5,800 14,200  
Securities          
Variable Interest Entity [Line Items]          
Cash proceeds from new securitizations 478 $ 1,000 1,100 $ 1,700  
Municipal Bond Trusts | Unconsolidated VIEs          
Variable Interest Entity [Line Items]          
Liquidity commitments to unconsolidated securitization trusts $ 2,200   $ 2,200   $ 2,500
Weighted average remaining life of bonds held in the trusts in years     11 years 6 months