PENSION AND OTHER POST-EMPLOYMENT BENEFIT PLANS - Net Periodic Benefit Cost and Assumptions used to Estimate our Net Periodic Benefit Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pension
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 21	$ 23	$ 36
Interest cost	117	118	106
Expected return on plan assets	(123)	(119)	(160)
Amortization of actuarial loss	42	40	93
Amortization of prior service cost (credit)	2	1	3
Settlement charges	0	0	205
Net periodic benefit cost	$ 59	$ 63	$ 283
Expected return on assets	7.00%	6.50%	5.00%
Lump sum distributions election	70.00%	70.00%	60.00%
Pension | Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.70%	5.30%	2.90%
Rate of compensation increase	1.00%	1.00%	2.00%
Pension | Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.20%	5.40%	3.10%
Rate of compensation increase	13.00%	13.00%	13.00%
Other Post-employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0	$ 0
Interest cost	4	5	3
Expected return on plan assets	0	0	0
Amortization of actuarial loss	1	1	5
Amortization of prior service cost (credit)	(1)	(1)	(1)
Settlement charges	0	0	0
Net periodic benefit cost	$ 4	$ 5	$ 7
Other Post-employment Benefits | Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.60%	5.30%	2.60%
Weighted health care cost trend rate assumed	5.13%	4.50%	4.50%
Other Post-employment Benefits | Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.10%	5.40%	3.00%
Weighted health care cost trend rate assumed	7.25%	5.70%	6.20%