DERIVATIVE INSTRUMENTS - Schedule of Interest Rate Fair Value Hedges Hedged Items (Details) - Fixed maturity securities - USD ($) $ in Millions		Mar. 31, 2022	Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Carrying Amount of Hedged Assets/ (Liabilities)	[1]	$ 2,843	$ 3,038
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of Hedged Assets/(Liabilities)		$ 202	$ 205

[1] The balance includes hedging adjustment on discontinued hedging relationships of $202 in 2022 and $205 in 2021.