PENSION AND OTHER POST-EMPLOYMENT BENEFIT PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Pension
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 6,000,000	$ 10,000,000
Interest cost	30,000,000	27,000,000
Expected return on plan assets	(30,000,000)	(39,000,000)
Amortization of actuarial loss	8,000,000	24,000,000
Amortization of prior service cost (credit)	0	1,000,000
Total net periodic benefit cost	14,000,000	23,000,000
Other Post-Employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Interest cost	1	1
Amortization of actuarial loss	0	1,000,000
Amortization of prior service cost (credit)	0	0
Total net periodic benefit cost	$ 1,000,000	$ 2,000,000