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Affordable Housing Partnership, Tax Credit and Community Reinvestment Act Investments, Net - Narrative (Details) - USD ($) $ in Millions | 9 Months Ended |
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Sep. 30, 2024 | Dec. 31, 2023
Investments in Tax Credit and Other Investments, Net [Line Items] |  |
Minimum compliance period for qualified affordable housing partnerships to fully utilize the tax credits (in years) | 15 years |
Investments in Tax Credit and Other Investments and Other Assets |  |
Investments in Tax Credit and Other Investments, Net [Line Items] |  |
Equity securities without readily determinable fair values | $ 147 | $ 146

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