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DERIVATIVE INSTRUMENTS - Schedule of Interest Rate Fair Value Hedges Hedged Items (Details) - Fixed maturity securities - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
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Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Carrying Amount of Hedged Assets/ (Liabilities) | [1] | $ 1,829 | $ 2,360
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of Hedged Assets/(Liabilities) |  | $ 179 | $ 189
[1] | The balance includes hedging adjustment on discontinued hedging relationships of $179 in 2023 and $189 in 2022.

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