REINSURANCE (Details - Summary of the impact of modco and funds withheld) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Effects of Reinsurance [Line Items]
Net investment income	$ 3,715	$ 3,800	$ 11,047	$ 9,674
Net realized gains (losses)	660	(1,122)	1,984	65
Income from continuing operations before income tax benefit	2,176	368	7,051	(6,735)
Income tax expense	439	74	1,234	(918)
Net income (loss)	$ 1,737	$ 299	$ 5,817	$ (5,813)
U.S. federal income tax at statutory rate (as a percent)	21.00%	21.00%	21.00%	21.00%
Policyholder benefits and losses incurred	$ 5,959	$ 5,872	$ 17,182	$ 18,718
Fortitude
Effects of Reinsurance [Line Items]
Net investment income	495	458	1,488	574
Net realized gains (losses)	(19)	(624)	653	(1,365)
Fortitude Re funds withheld assets
Effects of Reinsurance [Line Items]
Net investment income	495	458	1,488	574
Net realized gains (losses)	190	32	536	128
Policyholder benefits and losses incurred	21
Fortitude Holdings
Effects of Reinsurance [Line Items]
Net underwriting income	0	0	0	0
Net investment income	495	458	1,488	574
Net realized gains (losses)	(19)	(624)	653	(1,365)
Income from continuing operations before income tax benefit	476	(166)	2,141	(791)
Income tax expense	99	(35)	449	(166)
Net income (loss)	377	(131)	1,692	(625)
Change in unrealized appreciation of all other investments	(360)	132	(1,645)	570
Comprehensive income	17	1	47	(55)
Fortitude Holdings | Fortitude Re funds withheld assets
Effects of Reinsurance [Line Items]
Net realized gains (losses)	190	32	536	128
Fortitude Holdings | Fortitude Re funds withheld assets | Embedded derivatives
Effects of Reinsurance [Line Items]
Net realized gains (losses)	$ (209)	$ (656)	$ 117	$ (1,493)