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DERIVATIVE INSTRUMENTS AND RISK MANAGEMENT - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Derivative, position minimum threshold for collateral requirement $ 250,000,000  
Derivative, collateral, obligation to return cash 82,000,000 $ 103,000,000
Collateral securities repledged, delivered, or used 0 $ 13,000,000
Pre-tax gains related to cash flow hedges that are currently deferred in AOCI and are expected to be reclassified to income within twelve months $ 106,000,000  
Maximum term over hedging exposures to the variability of cash flow 3 years