PENSION AND OTHER POST-EMPLOYMENT BENEFIT PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Pension
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 5	$ 6	$ 15	$ 17
Interest cost	29	30	87	89
Expected return on plan assets	(31)	(30)	(92)	(90)
Amortization of actuarial loss	12	10	32	29
Amortization of prior service cost	0	0	1	1
Total net periodic benefit cost	15	16	43	46
Other Post-Employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Interest cost	1	2	3	4
Amortization of actuarial loss	0	0	1	1
Amortization of prior service cost	(1)	0	(1)	(1)
Total net periodic benefit cost	$ 0	$ 2	$ 3	$ 4