Securitizations and Other Variable Interest Entities - Additional Information (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Unconsolidated VIEs
Variable Interest Entity [Line Items]
Liquidity commitments to unconsolidated securitization trusts	$ 968	$ 929

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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