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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Schedule of Changes in Benefit Obligation (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Other Postretirement Benefits      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation, beginning of year $ 121 $ 166  
Service cost 0 0 $ 0
Interest cost 7 5 5
Plan participants' contributions 0 0  
Actuarial (gain) loss 11 (28)  
Benefits paid (19) (18)  
Plan amendments 2 (5)  
Other adjustments 0 0  
Settlements / curtailment (gain) 0 0  
Foreign currency exchange rates 1 1  
Reclassification of obligation to held for sale 0 0  
Benefit obligation, end of year 123 121 166
United States Pension Benefits | Pension Benefits      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation, beginning of year 2,211 2,968  
Service cost 2 3 3
Interest cost 115 82 77
Plan participants' contributions 0 0  
Actuarial (gain) loss 44 (606)  
Benefits paid (274) (230)  
Plan amendments 0 0  
Other adjustments 0 0  
Settlements / curtailment (gain) 0 (6)  
Foreign currency exchange rates 0 0  
Reclassification of obligation to held for sale 0 0  
Benefit obligation, end of year 2,098 2,211 2,968
Accumulated benefit obligation, end of year 2,090 2,205  
Foreign Pension Benefits | Pension Benefits      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation, beginning of year 60 924  
Service cost 3 4 5
Interest cost 26 15 14
Plan participants' contributions 0 0  
Actuarial (gain) loss 53 (262)  
Benefits paid (30) (28)  
Plan amendments (1) 0  
Other adjustments 0 11  
Settlements / curtailment (gain) (6) (7)  
Foreign currency exchange rates 29 (82)  
Reclassification of obligation to held for sale (69) (515)  
Benefit obligation, end of year 65 60 $ 924
Accumulated benefit obligation, end of year $ 58 $ 52