PENSION AND OTHER POST-EMPLOYMENT BENEFIT PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Pension
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 5	$ 6
Interest cost	29	30
Expected return on plan assets	(31)	(30)
Amortization of actuarial loss	11	8
Total net periodic benefit cost	14	14
Other Post-Employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Interest cost	1	1
Amortization of actuarial loss	1	0
Total net periodic benefit cost	$ 2	$ 1