INSURANCE LIABILITIES AND ANNUITY BENEFITS - Schedule of Investment Contracts, Insurance Liabilities and Insurance Annuity Benefits (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Liability for Claims and Claims Adjustment Expense [Line Items]
Future policy benefit reserves	$ 25,910	$ 29,581
Claim reserves	5,433	5,389
Investment contracts	1,809	1,909
Unearned premiums and other	283	287
Total	33,435	37,166
Other adjustments	0	3,394
Decrease in other adjustment of insurance liabilities and annuity benefits	3,394
Long-term care
Liability for Claims and Claims Adjustment Expense [Line Items]
Future policy benefit reserves	17,016	17,097
Claim reserves	4,649	4,546
Investment contracts	0	0
Unearned premiums and other	11	15
Total	21,676	21,658
Structured settlement annuities & life
Liability for Claims and Claims Adjustment Expense [Line Items]
Future policy benefit reserves	8,707	8,902
Claim reserves	235	258
Investment contracts	883	955
Unearned premiums and other	177	184
Total	10,001	10,299
Other contracts
Liability for Claims and Claims Adjustment Expense [Line Items]
Future policy benefit reserves	187	188
Claim reserves	549	585
Investment contracts	926	954
Unearned premiums and other	96	89
Total	$ 1,758	$ 1,815