REINSURANCE - Effect of Reinsurance (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Reinsurance Disclosures [Abstract]
Direct charges and fee income	$ 686	$ 678	$ 1,376	$ 1,352
Reinsurance assumed	4	3	4	4
Reinsurance ceded - Equitable America	(352)	(345)	(679)	(345)
Reinsurance ceded - third party	(155)	(153)	(311)	(304)
Policy charges and fee income	183	183	390	707
Direct premiums	191	203	393	408
Reinsurance assumed	18	44	57	96
Reinsurance ceded - Equitable America	(35)	(40)	(80)	(40)
Reinsurance ceded - third party	(55)	(51)	(118)	(111)
Premiums	119	156	252	353
Direct policyholders’ benefits	684	742	1,360	1,449
Reinsurance assumed	25	39	64	77
Reinsurance ceded - Equitable America	(181)	(264)	(369)	(264)
Reinsurance ceded - third party	(178)	(182)	(338)	(309)
Policyholders’ benefits	350	335	717	953
Direct Interest credited to policyholders’ account balances	484	490	962	953
Reinsurance assumed	0	0	0	0
Reinsurance ceded - Equitable America	(152)	(151)	(306)	(151)
Reinsurance ceded - third party	(24)	(27)	(50)	(55)
Interest credited to policyholders’ account balances	$ 308	$ 312	$ 606	$ 747