REINSURANCE - Investment Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Reinsurance Retention Policy [Line Items]
Net derivative gains (losses)	$ (221)	$ (221)	$ (542)	$ (1,062)
Net investment income (loss)			(23)	(58)
Income (loss) from continuing operations, before income taxes	65	234	4	(486)
Income tax (expense) benefit	(16)	189	(8)	890
Net income (loss) attributable to Equitable Financial	49	422	(5)	403
Comprehensive income (loss)	(421)	(138)	(808)	2,176
Embedded derivatives
Reinsurance Retention Policy [Line Items]
Net derivative gains (losses)	(1,016)	(1,784)	(2,570)	(3,358)
Funds Withheld Assets
Reinsurance Retention Policy [Line Items]
Net derivative gains (losses)	(150)	33	(205)	33
Net investment income (loss)	325	295	665	295
Investment gains (losses), net	(3)	(36)	(38)	(36)
Income (loss) from continuing operations, before income taxes	172	292	422	292
Income tax (expense) benefit	(36)	(53)	(89)	(53)
Net income (loss) attributable to Equitable Financial	136	239	333	239
Change in unrealized gains (losses), net of income taxes	(178)	(173)	(353)	(173)
Comprehensive income (loss)	(42)	66	(20)	66
Funds Withheld Assets | Freestanding derivatives
Reinsurance Retention Policy [Line Items]
Net derivative gains (losses)	611	1,364	1,511	1,364
Funds Withheld Assets | Embedded derivatives
Reinsurance Retention Policy [Line Items]
Net derivative gains (losses)	$ (761)	$ (1,331)	$ (1,716)	$ (1,331)