DERIVATIVES - Narrative (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Derivative [Line Items] | ||
| Notional amount | $ 315,214 | $ 303,721 |
| Net loss (pre-tax) on derivatives expected to be reclassified in next 12 months | 114 | |
| Prepayable Fixed-Rate Afs Securities Portfolio | ||
| Derivative [Line Items] | ||
| Carrying amount of hedged assets | 3,800 | 3,800 |
| Nonprepayable Fixed-Rate Afs Securities Portfolio | ||
| Derivative [Line Items] | ||
| Carrying amount of hedged assets | $ 1,700 | $ 2,800 |
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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/2009/role/commonPracticeRef
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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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- Definition Amount of asset hedged in fair value hedging relationship. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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