DERIVATIVES - Narrative (Details) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Derivative [Line Items] | |||||
| Fair value of derivatives with credit risk contingent feature associated with credit ratings | $ 0 | $ 0 | |||
| Additional collateral required | 0 | 0 | |||
| Fair value of derivatives with credit risk contingent features | 6,000,000 | 6,000,000 | $ 7,000,000 | ||
| Collateral posted | 6,000,000 | 6,000,000 | 7,000,000 | ||
| Fair Value | 9,663,000,000 | 9,663,000,000 | $ 7,328,000,000 | ||
| Cash flow hedge gains to be reclassified within 12 months | 16,000,000 | ||||
| Net unrealized (losses)/gains on cash flow hedge derivative financial instruments | |||||
| Derivative [Line Items] | |||||
| Net amount of change recognized in OCI for cash flow hedge derivatives, gains (losses) | (155,000,000) | $ 23,000,000 | (229,000,000) | $ 97,000,000 | |
| Reclassification of gains from AOCI | 2,000,000 | $ 3,000,000 | 6,000,000 | $ 8,000,000 | |
| Portion of Closed Portfolio | |||||
| Derivative [Line Items] | |||||
| Fair Value | $ 2,300,000,000 | $ 2,300,000,000 | |||
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- Definition Fair value of derivatives with contingent features affected by the downgrade of credit rating of the entity. No definition available.
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| X | ||||||||||
- Definition The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- 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://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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| X | ||||||||||
- Definition The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after tax, before reclassification adjustments of other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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