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Variable Interest Entities - Additional Information (Details) $ in Millions | Dec. 31, 2022 USD ($) Entity | Dec. 31, 2021 USD ($) Entity
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Number of consolidated VIEs | Entity | 0 | 0
Investment securities available-for-sale | $ 9,060 | $ 5,780
Other MBS |  |
Variable Interest Entity [Line Items] |  |
Ownership interest in investment | 5.00% |
Investment securities available-for-sale | $ 191 |

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