EQUITY - Components of OCI, Net of Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Equity [Abstract]
Net unrealized gains (losses) arising during the period	$ 2,853	$ 1,381	$ 4,366	$ 2,723
(Gains) losses reclassified into net income (loss) during the period	(152)	(4)	(199)	5
Net unrealized gains (losses) on investments	2,701	1,377	4,167	2,728
Adjustments for policyholders’ liabilities, DAC, insurance liability loss recognition and other	(1,087)	(8)	(1,119)	(525)
Change in unrealized gains (losses), net of adjustments (net of deferred income tax expense (benefit) of $428, $362, $810 and $580)	1,614	1,369	3,048	2,203
Change in defined benefit plans:
Reclassification to Net income (loss) of amortization of net prior service credit included in net periodic cost	22	18	50	67
Change in defined benefit plans (net of deferred income tax expense (benefit) of $6, $(5), $13 and $17)	22	18	50	67
Foreign currency translation adjustments:
Foreign currency translation gains (losses) arising during the period	6	1	(15)	0
Foreign currency translation adjustment	6	1	(15)	0
Total other comprehensive income (loss), net of income taxes	1,642	1,388	3,083	2,270
Less: Other comprehensive income (loss) attributable to noncontrolling interest	3	(1)	(5)	(2)
Other comprehensive income (loss) attributable to Holdings	1,639	1,389	3,088	2,272
Reclassification adjustment	(41)	(1)	(53)	1
AFS Securities, OCI, tax	428	362	810	580
Defined benefit plan, OCI, tax	$ 6	$ (5)	$ 13	$ 17