INSURANCE LIABILITIES - Rollforward of Liability and Reinsurance Ceded (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
GMDB Direct
Movement in Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Gross
Balance, beginning of period	$ 5	$ 3	$ 5	$ 4
Paid guarantee benefits	0	0	0	0
Other changes in reserve	1	(1)	1	(2)
Balance, end of period	6	2	6	2
GMDB Ceded
Guaranteed Minimum Death Benefit Reinsurance Ceded [Roll Forward]
Balance, beginning of period	(5)	(3)	(5)	(4)
Paid guarantee benefits	0	0	0	0
Other changes in reserve	(1)	1	(1)	2
Balance, end of period	(6)	(2)	(6)	(2)
GMIB Direct
Movement in Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Gross
Balance, beginning of period	2	0	1	1
Paid guarantee benefits	0	0	0	0
Other changes in reserve	0	1	1	0
Balance, end of period	2	1	2	1
GMIB Ceded
Guaranteed Minimum Death Benefit Reinsurance Ceded [Roll Forward]
Balance, beginning of period	(1)	0	(1)	(1)
Paid guarantee benefits	0	0	0	0
Other changes in reserve	0	(1)	0	0
Balance, end of period	$ (1)	$ (1)	$ (1)	$ (1)