EMPLOYEE BENEFIT PLANS - Schedule of Status of Defined Benefit Plan (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Change in plan assets:
Actual contributions during the year	$ 1	$ 6	$ 4
Pension expense
Change in projected benefit obligation:
Benefit obligation at beginning of year	291	403
Service cost	5	9	11
Interest cost	14	10	8
Actuarial (gain)/loss	9	(115)
Curtailment	0	0
Benefits paid	(25)	(15)
Projected benefit obligation at end of year	295	291	403
Change in plan assets:
Fair value of plan assets at beginning of year	285	377
Actual return on plan assets	48	(83)
Actual contributions during the year	1	6
Administrative expenses paid	0	0
Benefits paid	(25)	(15)
Fair value of plan assets at end of year	308	285	377
Funded status at end of year	13	(6)
Post-Retirement Plan
Change in projected benefit obligation:
Benefit obligation at beginning of year	21	31
Service cost	1	1	1
Interest cost	1	1	1
Amendments	0	0
Actuarial (gain)/loss	(1)	(10)
Benefits paid	0	0
Projected benefit obligation at end of year	22	21	31
Change in plan assets:
Fair value of plan assets at beginning of year	0	0
Actual contributions during the year	0	0
Benefits paid	0	0
Fair value of plan assets at end of year	0	0	$ 0
Funded status at end of year	$ (22)	$ (21)