DERIVATIVES - Offsetting of Financial Assets and Liabilities and Derivative Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Assets
Net Amount Presented in the Balance Sheets	$ 19	$ 26
Liabilities
Net Amount Presented in the Balance Sheets	27	140
Derivative
Assets
Gross Amount Recognized	19	26
Gross Amount Offset in the Balance Sheets	2	8
Net Amount Presented in the Balance Sheets	17	18
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	17	18
Liabilities
Gross Amount Recognized	2	8
Gross Amount Offset in the Balance Sheets	2	8
Net Amount Presented in the Balance Sheets	0	0
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	0	0
Other financial instruments
Assets
Gross Amount Recognized	3	1
Gross Amount Offset in the Balance Sheets	0	0
Net Amount Presented in the Balance Sheets	3	1
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	3	1
Other invested assets
Assets
Gross Amount Recognized	22	27
Gross Amount Offset in the Balance Sheets	2	8
Net Amount Presented in the Balance Sheets	20	19
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	20	19
Other financial liabilities
Liabilities
Gross Amount Recognized	141	42
Gross Amount Offset in the Balance Sheets	0	0
Net Amount Presented in the Balance Sheets	141	42
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	141	42
Other liabilities
Liabilities
Gross Amount Recognized	143	50
Gross Amount Offset in the Balance Sheets	2	8
Net Amount Presented in the Balance Sheets	141	42
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	$ 141	$ 42