MARKET RISK BENEFITS - Reconciles Market Risk Benefits (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Market Risk Benefit [Line Items]
Direct Asset	$ (17)	$ (12)
Direct Liability	14	15
Net Direct MRB	(3)	3
Purchased MRB	(11)	(13)
Net amount at risk	14	10
GMxB Core
Market Risk Benefit [Line Items]
Direct Asset	(17)	(12)
Direct Liability	3	3
Net Direct MRB	(14)	(9)
Purchased MRB	0	0
Net amount at risk	14	9
Other
Market Risk Benefit [Line Items]
Direct Asset	0	0
Direct Liability	11	12
Net Direct MRB	11	12
Purchased MRB	(11)	(13)
Net amount at risk	$ 0	$ 1