DAC AND OTHER DEFERRED ASSETS/LIABILITIES - DAC Costs (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	$ 4,759
Balance, end of period	4,722
Term
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Recovery of acquisition cost		$ 0
UL
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Recovery of acquisition cost		0
VUL
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Recovery of acquisition cost		0
GMxB Core
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Recovery of acquisition cost		(6)
EI
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Recovery of acquisition cost		(2)
IE
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Recovery of acquisition cost		(1)
SCS
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Recovery of acquisition cost		(4)
GMxB Legacy
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Recovery of acquisition cost		(2)
EG
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Recovery of acquisition cost		(6)
Momentum
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Recovery of acquisition cost		0
CB
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Recovery of acquisition cost		0
Corporate Segment
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	4,737	4,788
Capitalization	256	253
Amortization	(253)	(243)
Recovery of acquisition cost	(38)	(21)
Balance, end of period	4,702	4,777
Corporate Segment | Term
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	338	362
Capitalization	7	7
Amortization	(19)	(19)
Recovery of acquisition cost	0
Balance, end of period	326	350
Corporate Segment | UL
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	22	20
Capitalization	4	2
Amortization	(1)	(1)
Recovery of acquisition cost	0
Balance, end of period	25	21
Corporate Segment | VUL
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	182	112
Capitalization	40	36
Amortization	(5)	(4)
Recovery of acquisition cost	0
Balance, end of period	217	144
Corporate Segment | GMxB Core
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	1,483	1,585
Capitalization	28	26
Amortization	(69)	(68)
Recovery of acquisition cost	(10)
Balance, end of period	1,432	1,537
Corporate Segment | EI
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	150	156
Capitalization	6	5
Amortization	(6)	(6)
Recovery of acquisition cost	(3)
Balance, end of period	147	153
Corporate Segment | IE
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	150	147
Capitalization	10	12
Amortization	(7)	(7)
Recovery of acquisition cost	(3)
Balance, end of period	150	151
Corporate Segment | SCS
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	1,282	1,266
Capitalization	110	113
Amortization	(106)	(92)
Recovery of acquisition cost	(8)
Balance, end of period	1,278	1,283
Corporate Segment | GMxB Legacy
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	208	213
Capitalization	14	14
Amortization	(12)	(12)
Recovery of acquisition cost	(5)
Balance, end of period	205	213
Corporate Segment | EG
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	723	711
Capitalization	32	33
Amortization	(21)	(21)
Recovery of acquisition cost	(9)
Balance, end of period	725	717
Corporate Segment | Momentum
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	82	89
Capitalization	5	5
Amortization	(2)	(8)
Recovery of acquisition cost	0
Balance, end of period	85	86
Corporate Segment | CB
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of the period	117	127
Capitalization	0	0
Amortization	(5)	(5)
Recovery of acquisition cost	0
Balance, end of period	112	$ 122
Corporate Segment | Other
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Capitalization	1
Amortization	$ (2)