PENSIONS AND OTHER POSTRETIREMENT BENEFITS - Net Periodic Cost (Details) - Pension Benefit Plans - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Components of Net Periodic Cost:
Service Cost	$ 2	$ 4
Interest Cost	5	3
Expected Return on Plan Assets	(5)	(6)
Amortization:
Actuarial Loss	1	1
Net Periodic Cost	$ 3	$ 2