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SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Municipal Securities Tender Option Bond Trusts (Details) - USD ($) $ in Billions	Mar. 31, 2024	Dec. 31, 2023
Municipal securities tender option bond trusts (TOBs)
Variable Interest Entity
Liquidity agreements, other trusts	$ 1.2	$ 1.2

- Definition

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.

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