DERIVATIVES - Offsetting of Financial Assets and Liabilities and Derivative Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Assets
Net Amount Presented in the Balance Sheets	$ 256	$ 63
Liabilities
Net Amount Presented in the Balance Sheets	465	106
Derivative
Assets
Gross Amount Recognized	256	63
Gross Amount Offset in the Balance Sheets	177	18
Net Amount Presented in the Balance Sheets	79	45
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	79	45
Liabilities
Gross Amount Recognized	177	19
Gross Amount Offset in the Balance Sheets	177	18
Net Amount Presented in the Balance Sheets	0	1
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	0	1
Other financial assets
Assets
Gross Amount Recognized	3	2
Gross Amount Offset in the Balance Sheets	0	0
Net Amount Presented in the Balance Sheets	3	2
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	3	2
Other invested assets
Assets
Gross Amount Recognized	259	65
Gross Amount Offset in the Balance Sheets	177	18
Net Amount Presented in the Balance Sheets	82	47
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	82	47
Other financial liabilities
Liabilities
Gross Amount Recognized	182	72
Gross Amount Offset in the Balance Sheets	0	0
Net Amount Presented in the Balance Sheets	182	72
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	182	72
Other liabilities
Liabilities
Gross Amount Recognized	359	91
Gross Amount Offset in the Balance Sheets	177	18
Net Amount Presented in the Balance Sheets	182	73
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	$ 182	$ 73