INSURANCE LIABILITIES - Variable Annuity Contracts with GMDB and GMIB Features (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
GMDB Ceded
Net Amount at Risk by Product and Guarantee [Line Items]
General Account	$ 17,132
Separate Accounts	82,020	$ 107,305
Total Account Values	99,152
NAR, gross	27,041
NAR, net of amounts reinsured	$ 15,763
Percentage of policyholders over age 70	21.10%
GMDB Ceded | Immediate Variable Annuity
Net Amount at Risk by Product and Guarantee [Line Items]
Average attained age of policyholders (in years)	55 years 3 months 18 days
GMDB Ceded | Immediate Variable Annuity | Minimum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates (as a percent)	3.00%
GMDB Ceded | Immediate Variable Annuity | Maximum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates (as a percent)	6.50%
GMDB Ceded | Return of Premium
Net Amount at Risk by Product and Guarantee [Line Items]
General Account	$ 16,847
Separate Accounts	47,047
Total Account Values	63,894
NAR, gross	688
NAR, net of amounts reinsured	$ 675
Percentage of policyholders over age 70	12.10%
GMDB Ceded | Return of Premium | Immediate Variable Annuity
Net Amount at Risk by Product and Guarantee [Line Items]
Average attained age of policyholders (in years)	51 years 7 months 6 days
GMDB Ceded | Ratchet
Net Amount at Risk by Product and Guarantee [Line Items]
General Account	$ 96
Separate Accounts	7,309
Total Account Values	7,405
NAR, gross	1,409
NAR, net of amounts reinsured	$ 1,277
Percentage of policyholders over age 70	53.30%
GMDB Ceded | Ratchet | Immediate Variable Annuity
Net Amount at Risk by Product and Guarantee [Line Items]
Average attained age of policyholders (in years)	69 years 10 months 24 days
GMDB Ceded | Roll-Up
Net Amount at Risk by Product and Guarantee [Line Items]
General Account	$ 45
Separate Accounts	2,452
Total Account Values	2,497
NAR, gross	1,843
NAR, net of amounts reinsured	$ 1,341
Percentage of policyholders over age 70	74.70%
GMDB Ceded | Roll-Up | Immediate Variable Annuity
Net Amount at Risk by Product and Guarantee [Line Items]
Average attained age of policyholders (in years)	76 years 1 month 6 days
GMDB Ceded | Roll-Up | Immediate Variable Annuity | Minimum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates (as a percent)	3.00%
GMDB Ceded | Roll-Up | Immediate Variable Annuity | Maximum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates (as a percent)	6.00%
GMDB Ceded | Combo
Net Amount at Risk by Product and Guarantee [Line Items]
General Account	$ 144
Separate Accounts	25,212
Total Account Values	25,356
NAR, gross	23,101
NAR, net of amounts reinsured	$ 12,470
Percentage of policyholders over age 70	60.70%
GMDB Ceded | Combo | Immediate Variable Annuity
Net Amount at Risk by Product and Guarantee [Line Items]
Average attained age of policyholders (in years)	71 years 9 months 18 days
GMDB Ceded | Combo | Immediate Variable Annuity | Minimum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates (as a percent)	3.00%
GMDB Ceded | Combo | Immediate Variable Annuity | Maximum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates (as a percent)	6.50%
GMIB
Net Amount at Risk by Product and Guarantee [Line Items]
Separate Accounts	$ 46,852	$ 63,006
GMIB | Immediate Variable Annuity
Net Amount at Risk by Product and Guarantee [Line Items]
General Account	201
Separate Accounts	46,852
Total Account Values	47,053
NAR, gross	8,029
NAR, net of amounts reinsured	$ 3,229
Average attained age of policyholders (in years)	69 years 3 months 18 days
Weighted average years remaining until annuitization (in years)	2 years 3 months 18 days
GMIB | Immediate Variable Annuity | Minimum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates (as a percent)	3.00%
GMIB | Immediate Variable Annuity | Maximum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates (as a percent)	6.50%
GMIB | Return of Premium | Immediate Variable Annuity
Net Amount at Risk by Product and Guarantee [Line Items]
General Account	$ 0
Separate Accounts	0
Total Account Values	0
NAR, gross	0
NAR, net of amounts reinsured	0
GMIB | Ratchet | Immediate Variable Annuity
Net Amount at Risk by Product and Guarantee [Line Items]
General Account	0
Separate Accounts	0
Total Account Values	0
NAR, gross	0
NAR, net of amounts reinsured	0
GMIB | Roll-Up | Immediate Variable Annuity
Net Amount at Risk by Product and Guarantee [Line Items]
General Account	14
Separate Accounts	20,322
Total Account Values	20,336
NAR, gross	489
NAR, net of amounts reinsured	$ 158
Average attained age of policyholders (in years)	65 years 10 months 24 days
Weighted average years remaining until annuitization (in years)	5 years 6 months
GMIB | Roll-Up | Immediate Variable Annuity | Minimum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates (as a percent)	3.00%
GMIB | Roll-Up | Immediate Variable Annuity | Maximum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates (as a percent)	6.00%
GMIB | Combo | Immediate Variable Annuity
Net Amount at Risk by Product and Guarantee [Line Items]
General Account	$ 187
Separate Accounts	26,530
Total Account Values	26,717
NAR, gross	7,540
NAR, net of amounts reinsured	$ 3,071
Average attained age of policyholders (in years)	71 years 4 months 24 days
Weighted average years remaining until annuitization (in years)	6 months
GMIB | Combo | Immediate Variable Annuity | Minimum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates (as a percent)	3.00%
GMIB | Combo | Immediate Variable Annuity | Maximum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates (as a percent)	6.50%