SEGMENT INFORMATION - Balance Sheet by Segment (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Assets
Total investments	$ 6,195,000,000	$ 5,879,000,000
Cash and cash equivalents	379,000,000	940,000,000
Accrued investment income	65,000,000	60,000,000
Reinsurance recoverables	151,000,000	206,000,000
Deposit asset	404,000,000	438,000,000
Income taxes	78,000,000	99,000,000
Other assets	48,000,000	61,000,000
Separate account assets, at fair value	23,675,000,000	23,870,000,000
Total assets	30,995,000,000	31,553,000,000
Liabilities:
Insurance liabilities	4,386,000,000	5,003,000,000
Net modified coinsurance payable	128,000,000	78,000,000
Liabilities associated with secured borrowing arrangements	1,123,000,000	967,000,000
Other liabilities	318,000,000	273,000,000
Separate account liabilities, at fair value	23,675,000,000	23,870,000,000
Total liabilities	29,630,000,000	30,191,000,000
TOTAL EQUITY	1,365,000,000	1,362,000,000
TOTAL LIABILITIES AND EQUITY	30,995,000,000	31,553,000,000
Retained Business
Assets
Total investments	4,550,000,000	4,680,000,000
Cash and cash equivalents	294,000,000	534,000,000
Accrued investment income	53,000,000	51,000,000
Reinsurance recoverables	0	0
Deposit asset	0	0
Income taxes	78,000,000	99,000,000
Other assets	47,000,000	61,000,000
Separate account assets, at fair value	21,598,000,000	21,800,000,000
Total assets	26,620,000,000	27,225,000,000
Liabilities:
Insurance liabilities	2,233,000,000	2,835,000,000
Net modified coinsurance payable	0	0
Liabilities associated with secured borrowing arrangements	1,121,000,000	967,000,000
Other liabilities	303,000,000	261,000,000
Separate account liabilities, at fair value	21,598,000,000	21,800,000,000
Total liabilities	25,255,000,000	25,863,000,000
TOTAL EQUITY	1,365,000,000	1,362,000,000
TOTAL LIABILITIES AND EQUITY	26,620,000,000	27,225,000,000
Ceded Business
Assets
Total investments	1,645,000,000	1,199,000,000
Cash and cash equivalents	85,000,000	406,000,000
Accrued investment income	12,000,000	9,000,000
Reinsurance recoverables	151,000,000	206,000,000
Deposit asset	404,000,000	438,000,000
Income taxes	0	0
Other assets	1,000,000	0
Separate account assets, at fair value	2,077,000,000	2,070,000,000
Total assets	4,375,000,000	4,328,000,000
Liabilities:
Insurance liabilities	2,153,000,000	2,168,000,000
Net modified coinsurance payable	128,000,000	78,000,000
Liabilities associated with secured borrowing arrangements	2,000,000	0
Other liabilities	15,000,000	12,000,000
Separate account liabilities, at fair value	2,077,000,000	2,070,000,000
Total liabilities	4,375,000,000	4,328,000,000
TOTAL EQUITY	0	0
TOTAL LIABILITIES AND EQUITY	$ 4,375,000,000	$ 4,328,000,000