EQUITY - Changes in AOCI (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Comprehensive Income (Loss), Tax [Abstract]
Net unrealized gains (losses) arising during the period		$ 2,633	$ 1,283	$ 4,229	$ 2,526
(Gains) losses reclassified into net income (loss) during the period		(134)	(4)	(182)	2
Net unrealized gains (losses) on investments		2,499	1,279	4,047	2,528
Adjustments for policyholders’ liabilities, DAC, insurance liability loss recognition and other		(930)	12	(964)	(473)
Change in unrealized gains (losses), net of adjustments (net of deferred income tax expense (benefit) of $417, $341, $820 and $541)	[1]	1,569	1,291	3,083	2,055
Other comprehensive income (loss), attributable to Equitable Financial		1,570	1,291	3,084	2,055
Deferred income taxes		417	341	820	541
Unrealized gains (losses) on investments
Other Comprehensive Income (Loss), Tax [Abstract]
Reclassification from AOCI, current period, tax		$ (35)	$ 0	$ (48)	$ 1

[1] See Note 11 for details of Change in unrealized gains (losses), net of adjustments.