EMPLOYEE RETIREMENT PLANS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined contribution plans [Abstract]
Company contributions to all defined contribution plans expensed	$ 941	$ 793	$ 749
Maximum age after retirement that employees may use accrued unused sick time to pay for medical and dental premiums	65 years
Change in benefit obligation [Roll Forward]
APBO at beginning of period	$ 241	330
Service cost	14	19	25
Interest cost	12	9	10
Benefits paid	(9)	(11)
Actuarial (gain) loss	11	(106)
APBO at end of period	269	241	330
Estimated future benefit payments time period [Abstract]
2024	15
2025	18
2026	19
2027	20
2028	21
Next five years thereafter	127
Reconciliation of funded status to accrued postretirement benefit cost recognized on the balance sheet [Abstract]
Funded status	(269)	(241)
Unrecognized net actuarial gain	(151)	(173)
Unrecognized prior service cost	2	3
Accumulated other comprehensive income	149	170
Consolidated Balance Sheet liability	(269)	(241)
Components of periodic postretirement benefit cost [Abstract]
Service cost	14	19	25
Interest cost	12	9	10
Amortization of net gain	(10)	(2)	0
Net periodic postretirement benefit cost	$ 16	$ 26	$ 35
Actuarial assumptions used to account for postretirement benefit plans [Abstract]
Weighted-average discount rate (as a percent)	5.20%	5.60%	2.90%
Assumed healthcare cost trend rate (as a percent)	6.25%	6.50%	6.25%
Assumed healthcare cost trend rates [Abstract]
Assumed healthcare cost trend rate	6.25%
Assumed healthcare cost decline trend rate	4.75%