INVESTMENT SECURITIES AND OTHER SECURITIES - Narrative (Details) - USD ($) $ in Billions |
Mar. 31, 2021 |
Dec. 31, 2020 |
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| Investments, Debt and Equity Securities [Abstract] | ||
| Pledged Financial Instruments, Not Separately Reported, Securities for Other Debt Facilities | $ 13.9 | $ 14.4 |
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- References No definition available.
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- Definition The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for debt facilities other than FHLB loans, repurchase agreements and letter of credit arrangements, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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