DAC AND OTHER DEFERRED ASSETS/LIABILITIES - DAC Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	$ 760
Balance, end of year	1,212	$ 760
VUL
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	410
Balance, end of year	457	410
IUL
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	296
Balance, end of year	293	296
GMxB Core
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	40
Balance, end of year	119	40
IE
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	1
Balance, end of year	22	1
SCS
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	13
Balance, end of year	289	13
Corporate Segment
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	760	672
Capitalization	490	128
Amortization	70	40
Balance, end of year	1,180	760
Corporate Segment | VUL
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	410	361
Capitalization	71	70
Amortization	24	21
Balance, end of year	457	410
Corporate Segment | IUL
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	296	297
Capitalization	14	16
Amortization	17	17
Balance, end of year	293	296
Corporate Segment | GMxB Core
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	40	14
Capitalization	86	28
Amortization	7	2
Balance, end of year	119	40
Corporate Segment | IE
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	1	0
Capitalization	22	1
Amortization	1	0
Balance, end of year	22	1
Corporate Segment | SCS
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	13	0
Capitalization	297	13
Amortization	21	0
Balance, end of year	289	13
Corporate Segment | Other
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Amortization	$ 1	$ 1