REINSURANCE - Investment Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Reinsurance Retention Policy [Line Items]
Net derivative gains (losses)	$ 941	$ 190	$ (121)	$ 2,168
Net investment income (loss)			(501)	(640)
Income (loss) from continuing operations, before income taxes	889	590	403	2,025
Income tax (expense) benefit	(56)	(132)	834	(386)
Net income (loss) attributable to Equitable Financial	834	458	1,237	1,643
Comprehensive income (loss)	(1,621)	(2,060)	555	(5,451)
Embedded derivatives
Reinsurance Retention Policy [Line Items]
Net derivative gains (losses)	1,232	$ 766	(2,125)	$ 4,543
Funds Withheld Assets
Reinsurance Retention Policy [Line Items]
Net derivative gains (losses)	894		929
Net investment income (loss)	345		640
Investment gains (losses), net	(143)		(179)
Income (loss) from continuing operations, before income taxes	1,096		1,390
Income tax (expense) benefit	(96)		(149)
Net income (loss) attributable to Equitable Financial	1,000		1,241
Change in unrealized gains (losses), net of income taxes	(843)		(1,016)
Comprehensive income (loss)	157		225
Funds Withheld Assets | Freestanding derivatives
Reinsurance Retention Policy [Line Items]
Net derivative gains (losses)	(157)		1,208
Funds Withheld Assets | Embedded derivatives
Reinsurance Retention Policy [Line Items]
Net derivative gains (losses)	$ 1,051		$ (279)