PENSION AND POSTRETIREMENT BENEFIT PLANS - Cost (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net periodic benefit costs
Curtailment gain	$ (4)
Net periodic benefit costs	4
Pension Benefits
Net periodic benefit costs
Service cost—benefits earned during the period	3	$ 1	$ 1
Interest cost on projected benefit obligation	8	1	1
Expected return on plan assets	(13)	(2)	(1)
Net periodic benefit costs	(2)	0	1
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]
Net actuarial (gain) loss	0	(1)	4
Total	0	(1)	4
Postretirement Benefits
Net periodic benefit costs
Service cost—benefits earned during the period	2	2	2
Interest cost on projected benefit obligation	4	2	1
Expected return on plan assets	(2)	0	0
Cost of special termination benefits	4	0	0
Amortization of prior service cost credit	(5)	(5)	(5)
Amortization of net actuarial gain	(1)	(2)	0
Curtailment gain	(4)	(3)	0
Net periodic benefit costs	(2)	(6)	(2)
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]
Net actuarial (gain) loss	(5)	1	9
Prior service credit	(3)	0	0
Actuarial net gain due to curtailment	4	0	0
Special termination benefits	(4)	0	0
Amortization of prior service credit due to curtailment	0	(2)	0
Amortization of prior service credit	5	(4)	(4)
Amortization net actuarial gain (loss)	2	(1)	0
Total	$ (1)	$ (6)	$ 5

Amount of reversal of amortization of net actuarial gain (loss) after tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit before tax.

No definition available.