UNPAID CLAIM AND CLAIM EXPENSES - Rollforward of the Unpaid Claims and Claim Expenses (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Liability for Unpaid Claims and Claims Adjustment Expense, [Roll Forward]
Gross balance	$ 78	$ 41
Less Reinsurance	23	15
Net balance	55	26
Incurred Claims (net) Related to:
Current Period	88	63
Prior Period	9	2
Total Incurred	97	65
Paid Claims (net) Related to:
Current Period	49	39
Prior Period	27	16
Total Paid	76	55
Net balance	76	35
Add Reinsurance	29	18
Gross balance	$ 105	$ 53