SEGMENT INFORMATION - Balance Sheet by Segment (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Assets
Total investments	$ 6,168	$ 5,879
Cash and cash equivalents	441	940
Accrued investment income	60	60
Reinsurance recoverables, at fair value	155	206
Deposit asset	426	438
Income taxes	80	99
Other assets	90	61
Separate account assets, at fair value	24,262	23,870
Total assets	31,682	31,553
Liabilities:
Insurance liabilities	4,545	5,003
Net modified coinsurance payable	72	78
Liabilities associated with secured borrowing arrangements	1,121	967
Other liabilities	260	273
Separate account liabilities, at fair value	24,262	23,870
Total liabilities	30,260	30,191
Total equity	1,422	1,362
TOTAL LIABILITIES AND EQUITY	31,682	31,553
Retained Business
Assets
Total investments	4,661	4,680
Cash and cash equivalents	298	534
Accrued investment income	52	51
Reinsurance recoverables, at fair value	0	0
Deposit asset	0	0
Income taxes	80	99
Other assets	43	61
Separate account assets, at fair value	22,146	21,800
Total assets	27,280	27,225
Liabilities:
Insurance liabilities	2,342	2,835
Net modified coinsurance payable	0	0
Liabilities associated with secured borrowing arrangements	1,121	967
Other liabilities	249	261
Separate account liabilities, at fair value	22,146	21,800
Total liabilities	25,858	25,863
Total equity	1,422	1,362
TOTAL LIABILITIES AND EQUITY	27,280	27,225
Ceded Business
Assets
Total investments	1,507	1,199
Cash and cash equivalents	143	406
Accrued investment income	8	9
Reinsurance recoverables, at fair value	155	206
Deposit asset	426	438
Income taxes	0	0
Other assets	47	0
Separate account assets, at fair value	2,116	2,070
Total assets	4,402	4,328
Liabilities:
Insurance liabilities	2,203	2,168
Net modified coinsurance payable	72	78
Liabilities associated with secured borrowing arrangements	0	0
Other liabilities	11	12
Separate account liabilities, at fair value	2,116	2,070
Total liabilities	4,402	4,328
Total equity	0	0
TOTAL LIABILITIES AND EQUITY	$ 4,402	$ 4,328