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VARIABLE INTEREST ENTITIES - Narrative (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Commitments to extend credit | Variable Interest Entity, Not Primary Beneficiary | Special Purpose Entities |  |
Variable Interest Entity [Line Items] |  |
Undrawn commitments to extend credit | $ 2,700 | $ 2,400
Renewable Energy Wind Investments | Renewable Energy Entities |  |
Variable Interest Entity [Line Items] |  |
Undrawn commitments to extend credit | $ 67 |

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