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INVESTMENTS - Schedule of Proceeds and Split Between Gross Gains and Losses, from Sales of Fixed Maturity Securities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Proceeds from sales of fixed maturity securities - available for sale	$ 3,849	$ 1,403	$ 1,916
Gross gains from sales	35	40	72
Gross losses from sales	(327)	(127)	(55)
Proceeds from sales of equity securities	126	2,217	990
Gross gains from sales	8	165	42
Gross losses from sales	$ 0	$ (53)	$ (15)

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- Definition

Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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