DERIVATIVE FINANCIAL INSTRUMENTS - Cash Flow Hedges (Details) - USD ($) $ in Millions |
12 Months Ended | |
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Dec. 31, 2023 |
Dec. 31, 2022 |
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| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Notional value | $ 38,192 | $ 42,636 |
| Net gains recognized in AOCI expected to be reclassified into earnings within the next twelve months | (236) | |
| Cash Flow Hedging | ||
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Notional value | 16,675 | 24,325 |
| Investment securities | ||
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Notional value | $ 11,649 | $ 10,407 |
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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Nominal or face amount used to calculate payment on derivative. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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