RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - COMPONENTS OF NET PERIODIC BENEFIT COST (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Benefits
Net periodic benefit costs:
Service cost — benefits earned during the period	$ 7	$ 8	$ 37
Interest cost on projected benefit obligation	36	35	52
Expected return on plan assets	(38)	(59)	(73)
Recognized actuarial loss	1	2	5
Recognized prior service credit	0	0	0
(Gain) loss due to curtailment	0	0	(124)
Gain due to settlement	(1)	(19)	(19)
Special termination benefits	0	0	22
Other costs and adjustments	0	0	1
Net periodic benefit cost	5	(33)	(99)
Postretirement Benefits
Net periodic benefit costs:
Service cost — benefits earned during the period	38	42	39
Interest cost on projected benefit obligation	33	33	37
Expected return on plan assets	0	0	0
Recognized actuarial loss	5	15	11
Recognized prior service credit	(9)	(9)	(8)
(Gain) loss due to curtailment	0	0	2
Gain due to settlement	0	0	0
Special termination benefits	0	0	0
Other costs and adjustments	0	0	0
Net periodic benefit cost	$ 67	$ 81	$ 81