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INVESTMENTS - Fixed Maturity Proceeds and Investment Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Net Investment Income [Line Items]
Fixed maturity securities, available-for-sale	$ 0	$ 422	$ 0
Fixed Maturities
Net Investment Income [Line Items]
Proceeds from sales				$ 294
Fixed maturity securities, available-for-sale				108
Gross investment losses on sales and maturities				(21)
Noncash related proceeds				$ 20