EQUITY - Cumulative Gains (Losses) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI	$ (2,165)	$ 48	$ (1,074)	$ 1,092	$ 4,082	$ 7,483
Accumulated other comprehensive income (loss) attributable to Equitable Financial
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI	(8,537)	$ (6,083)	(7,855)	$ (5,774)	$ (3,256)	$ 1,316
Unrealized gains (losses) on investments
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI	(9,385)		(8,873)
Market risk benefits - instrument-specific credit risk component
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI	317		665
Liability for future policy benefits - current discount rate component
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI	535		357
Defined benefit pension plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI	$ (4)		$ (4)