FAIR VALUE - Schedule of Changes in Fair Value of Assets Measured using Significant Unobservable Inputs (Level 3) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 218	$ 101
Total gains or losses:
Realized in earnings	(1)	0
Unrealized in other comprehensive income	(1)	3
Purchases	114	115
Sales	(3)	0
Settlements	(5)	0
Transfers Out	0	(8)
Transfers In	0	7
Ending balance	$ 322	$ 218