PENSION AND OTHER POST-EMPLOYMENT BENEFIT PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Pension
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 5	$ 5	$ 10	$ 11
Interest cost	29	29	58	59
Expected return on plan assets	(30)	(30)	(61)	(60)
Amortization of actuarial loss	9	11	20	19
Amortization of prior service cost	1	1	1	1
Total net periodic benefit cost	14	16	28	30
Other Post-Employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Interest cost	1	1	2	2
Amortization of actuarial loss	0	1	1	1
Amortization of prior service cost	0	(1)	0	(1)
Total net periodic benefit cost	$ 1	$ 1	$ 3	$ 2