SEGMENT INFORMATION - Balance Sheet by Segment (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Assets
Total investments	$ 5,908	$ 5,887
Cash and cash equivalents	592	872
Accrued investment income	57	52
Reinsurance recoverables, at fair value	179	235
Net modified coinsurance receivable	0	18
Deposit asset	430	607
Goodwill	0	93
Income tax	86	50
Other assets	106	127
Separate account assets, at fair value	22,557	23,601
Total assets	29,915	31,542
Liabilities:
Insurance liabilities	4,574	5,546
Net modified coinsurance payable	68	0
Cash collateral for repurchase agreements and securities lending transactions	1,009	417
Other liabilities	331	391
Separate account liabilities, at fair value	22,557	23,601
Total liabilities	28,539	29,955
Total equity	1,376	1,587
TOTAL LIABILITIES AND EQUITY	29,915	31,542
Retained Business
Assets
Total investments	4,674	4,257
Cash and cash equivalents	335	433
Accrued investment income	50	41
Reinsurance recoverables, at fair value	0	0
Net modified coinsurance receivable		0
Deposit asset	0	0
Goodwill		93
Income tax	86	50
Other assets	93	113
Separate account assets, at fair value	20,600	21,558
Total assets	25,838	26,545
Liabilities:
Insurance liabilities	2,542	2,941
Net modified coinsurance payable	0
Cash collateral for repurchase agreements and securities lending transactions	1,009	311
Other liabilities	311	148
Separate account liabilities, at fair value	20,600	21,558
Total liabilities	24,462	24,958
Total equity	1,376	1,587
TOTAL LIABILITIES AND EQUITY	25,838	26,545
Ceded Business
Assets
Total investments	1,234	1,630
Cash and cash equivalents	257	439
Accrued investment income	7	11
Reinsurance recoverables, at fair value	179	235
Net modified coinsurance receivable		18
Deposit asset	430	607
Goodwill		0
Income tax	0	0
Other assets	13	14
Separate account assets, at fair value	1,957	2,043
Total assets	4,077	4,997
Liabilities:
Insurance liabilities	2,032	2,605
Net modified coinsurance payable	68
Cash collateral for repurchase agreements and securities lending transactions	0	106
Other liabilities	20	243
Separate account liabilities, at fair value	1,957	2,043
Total liabilities	4,077	4,997
Total equity	0	0
TOTAL LIABILITIES AND EQUITY	$ 4,077	$ 4,997