DERIVATIVES - Financial Statement Impact of Derivatives By Category (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	$ 3	$ (3)	$ 0	$ (3)
Futures
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	(64)	21	(73)	38
Swaps
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	0	0	0	0
Options
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	(3)	1	(3)	2
Futures
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	(12)	0	(24)	0
Swaps
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	0	0	0	0
Swaptions
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	0	0	0	0
Credit default swaps
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	0	0	0	0
Currency swaps
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	0	0	0	0
Currency forwards
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	0	0	0	0
Margin
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	0	0	0	0
Collateral
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	0	0	0	0
Derivatives
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	(79)	22	(100)	40
GMxB derivative features’ liability
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	4	0	10	0
MSO and IUL indexed features
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	78	(25)	90	(43)
Embedded derivative
Derivatives, Fair Value [Line Items]
Net derivative gains (losses)	$ 82	$ (25)	$ 100	$ (43)