DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of Derivative Instruments Fair Value Hedges (Details) - Qualifying Hedges - Interest rate contracts - Fair Value Hedges - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||
| Net (loss) gain on fair value hedges | $ (1) | $ 1 | $ (1) | $ 3 |
| Borrowings | ||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||
| Loss on hedging instruments - borrowings | (104) | 0 | (142) | 0 |
| Gain on hedged item | 103 | 0 | 141 | 2 |
| Deposits | ||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||
| Gain on hedged item | $ 0 | $ 1 | $ 0 | $ 1 |
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- Definition Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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/exampleRef
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- Definition Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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