DAC AND OTHER DEFERRED ASSETS/LIABILITIES - DAC Costs (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	$ 4,814
Balance, end of period	4,771
Corporate Segment
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	4,788	$ 4,554
Capitalization	375	553
Amortization	(371)	(351)
Recovery of acquisition cost	(45)
Balance, end of period	4,747	4,756
Corporate Segment | Term
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	362	385
Capitalization	11	14
Amortization	(29)	(31)
Recovery of acquisition cost	0
Balance, end of period	344	368
Corporate Segment | UL
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	20	14
Capitalization	3	5
Amortization	(1)	0
Recovery of acquisition cost	0
Balance, end of period	22	19
Corporate Segment | VUL
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	112	50
Capitalization	54	49
Amortization	(6)	(3)
Recovery of acquisition cost	0
Balance, end of period	160	96
Corporate Segment | GMxB Core
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	1,585	1,639
Capitalization	39	67
Amortization	(103)	(101)
Recovery of acquisition cost	(12)
Balance, end of period	1,509	1,605
Corporate Segment | EI
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	156	156
Capitalization	8	10
Amortization	(9)	(10)
Recovery of acquisition cost	(4)
Balance, end of period	151	156
Corporate Segment | IE
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	147	121
Capitalization	16	31
Amortization	(10)	(10)
Recovery of acquisition cost	(3)
Balance, end of period	150	142
Corporate Segment | SCS
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	1,266	1,070
Capitalization	167	287
Amortization	(143)	(124)
Recovery of acquisition cost	(9)
Balance, end of period	1,281	1,233
Corporate Segment | GMxB Legacy
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	213	209
Capitalization	19	25
Amortization	(18)	(18)
Recovery of acquisition cost	(4)
Balance, end of period	210	216
Corporate Segment | EG
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	711	678
Capitalization	51	55
Amortization	(31)	(31)
Recovery of acquisition cost	(13)
Balance, end of period	718	702
Corporate Segment | Momentum
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	89	94
Capitalization	7	10
Amortization	(13)	(14)
Recovery of acquisition cost	0
Balance, end of period	83	90
Corporate Segment | CB
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	127	138
Capitalization	0	0
Amortization	(8)	(9)
Recovery of acquisition cost	0
Balance, end of period	119	$ 129
Corporate Segment | Other
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Amortization	$ (2)