DERIVATIVES - Offsetting of Financial Assets and Liabilities and Derivative Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Derivative
Assets:
Gross Amount Recognized	$ 17,427	$ 12,495
Gross Amount Offset in the Balance Sheets	11,503	8,326
Net Amount Presented in the Balance Sheets	5,924	4,169
Gross Amount not Offset in the Balance Sheets	(5,432)	(3,076)
Net Amount	492	1,093
Liabilities:
Gross Amount Recognized	12,176	8,359
Gross Amount Offset in the Balance Sheets	11,503	8,326
Net Amount Presented in the Balance Sheets	673	33
Collateral Held, Financial Instruments	0	0
Net Amount	673	33
Secured lending
Assets:
Gross Amount Recognized	117	93
Gross Amount Offset in the Balance Sheets	0	0
Net Amount Presented in the Balance Sheets	117	93
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	117	93
Liabilities:
Gross Amount Recognized	117	93
Gross Amount Offset in the Balance Sheets	0	0
Net Amount Presented in the Balance Sheets	117	93
Collateral Held, Financial Instruments	0	0
Net Amount	117	93
Other financial assets
Assets:
Gross Amount Recognized	1,409	1,690
Gross Amount Offset in the Balance Sheets	0	0
Net Amount Presented in the Balance Sheets	1,409	1,690
Gross Amount not Offset in the Balance Sheets	0	0
Net Amount	1,409	1,690
Other invested assets
Assets:
Gross Amount Recognized	18,953	14,278
Gross Amount Offset in the Balance Sheets	11,503	8,326
Net Amount Presented in the Balance Sheets	7,450	5,952
Gross Amount not Offset in the Balance Sheets	(5,432)	(3,076)
Net Amount	2,018	2,876
Other financial liabilities
Liabilities:
Gross Amount Recognized	2,015	2,370
Gross Amount Offset in the Balance Sheets	0	0
Net Amount Presented in the Balance Sheets	2,015	2,370
Collateral Held, Financial Instruments	0	0
Net Amount	2,015	2,370
Other liabilities
Liabilities:
Gross Amount Recognized	14,308	10,822
Gross Amount Offset in the Balance Sheets	11,503	8,326
Net Amount Presented in the Balance Sheets	2,805	2,496
Collateral Held, Financial Instruments	0	0
Net Amount	$ 2,805	$ 2,496