DERIVATIVES - Offsetting of Financial Assets and Liabilities and Derivative Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Derivative
Assets
Gross Amount Recognized	$ 7,000	$ 12,309
Gross Amount Offset in the Balance Sheets	6,785	10,724
Net Amount Presented in the Balance Sheets	215	1,585
Gross Amount not Offset in the Balance Sheets	0	(961)
Net Amount	215	624
Liabilities
Gross Amount Recognized	7,873	10,738
Gross Amount Offset in the Balance Sheets	6,785	10,724
Net Amount Presented in the Balance Sheets	1,088	14
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	1,088	14
Other financial assets
Assets
Gross Amount Recognized	1,228	1,325
Gross Amount Offset in the Balance Sheets	0	0
Net Amount Presented in the Balance Sheets	1,228	1,325
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	1,228	1,325
Other invested assets
Assets
Gross Amount Recognized	8,228	13,634
Gross Amount Offset in the Balance Sheets	6,785	10,724
Net Amount Presented in the Balance Sheets	1,443	2,910
Gross Amount not Offset in the Balance Sheets	0	(961)
Net Amount	1,443	1,949
Other financial liabilities
Liabilities
Gross Amount Recognized	2,228	2,064
Gross Amount Offset in the Balance Sheets	0	0
Net Amount Presented in the Balance Sheets	2,228	2,064
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	2,228	2,064
Other liabilities
Liabilities
Gross Amount Recognized	10,101	12,802
Gross Amount Offset in the Balance Sheets	6,785	10,724
Net Amount Presented in the Balance Sheets	3,316	2,078
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	$ 3,316	$ 2,078