RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - COMPONENTS OF NET PERIODIC BENEFIT COST (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pension Benefits
Net periodic benefit costs:
Service cost — benefits earned during the period	$ 4	$ 5	$ 7
Interest cost on projected benefit obligation	42	45	36
Expected return on plan assets	(41)	(45)	(38)
Recognized actuarial loss (gain)	2	4	1
Recognized prior service credit	0	0	0
Gain (loss) due to settlement	0	1	(1)
Net periodic benefit costs	7	10	5
Postretirement Benefits
Net periodic benefit costs:
Service cost — benefits earned during the period	18	16	38
Interest cost on projected benefit obligation	35	37	33
Expected return on plan assets	0	0	0
Recognized actuarial loss (gain)	(15)	(20)	5
Recognized prior service credit	(8)	(9)	(9)
Gain (loss) due to settlement	0	0	0
Net periodic benefit costs	$ 30	$ 24	$ 67