INSURANCE LIABILITIES AND ANNUITY BENEFITS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended									12 Months Ended			24 Months Ended	48 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2024	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Insurance revenues										$ 2,954	$ 3,106	$ 2,865
Net earnings (loss)		$ 2,238	$ (160)	$ (771)	$ (1,014)	$ (3,843)	$ 1,184	$ (1,135)	$ (2,798)	292	(6,591)	5,546
Assets		187,788				198,874				187,788	198,874			$ 187,788
Claims incurred										1,481	1,699	1,801
Paid claims										1,518	1,709	1,728
Reinsurance recoveries										321	351	350
Reinsurance recoverables, allowances						1,654					1,654
Reinsurance recoverables, net		132				2,651				132	2,651			132
Reinsurance recoverable, credit loss increase, expense, pre-tax			415
Reinsurance recoverable, credit loss increase, expense, after-tax			$ 328
Reinsurance recoverable, incurred but not yet reported claims		2,396								$ 2,396				$ 2,396
Reinsurance incremental loss (pre-tax)		56
Reinsurance incremental loss (after-tax)		$ 44
Margin percentage (less than)		10.00%								10.00%				10.00%
Capital contributions to insurance subsidiaries														$ 11,400
Statutory capital level requirement		300.00%								300.00%				300.00%
Forecast
Disaggregation of Revenue [Line Items]
Capital contributions to insurance subsidiaries	$ 1,800												$ 3,600
Run-off Insurance Operations
Disaggregation of Revenue [Line Items]
Insurance revenues										$ 2,954	3,106	2,865
Gross profit (loss)										60	566	197
Net earnings (loss)										44	444	$ 143
Assets		$ 44,197				$ 49,894				$ 44,197	$ 49,894			$ 44,197