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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Schedule of Changes in Plan Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Other Postretirement Benefits    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets, beginning of year $ 0 $ 0
Actual return on plan assets 0 0
Employer contribution 9 19
Plan participants' contributions 0 0
Benefits paid (9) (19)
Transfer of plan assets 0 0
Other adjustments 0 0
Settlements 0 0
Foreign currency exchange rates 0 0
Reclassification of plan assets to held for sale 0 0
Fair value of plan assets, end of year 0 0
United States Pension Benefits | Pension Benefits    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets, beginning of year 1,980 2,072
Actual return on plan assets 26 175
Employer contribution 6 7
Plan participants' contributions 0 0
Benefits paid (196) (274)
Transfer of plan assets (71) 0
Other adjustments 0 0
Settlements 0 0
Foreign currency exchange rates 0 0
Reclassification of plan assets to held for sale 0 0
Fair value of plan assets, end of year 1,745 1,980
Foreign Pension Benefits | Pension Benefits    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets, beginning of year 29 30
Actual return on plan assets 2 1
Employer contribution 6 3
Plan participants' contributions 0 0
Benefits paid (3) (4)
Transfer of plan assets 0 0
Other adjustments 0 (1)
Settlements (3) 0
Foreign currency exchange rates (2) 0
Reclassification of plan assets to held for sale 0 0
Fair value of plan assets, end of year $ 29 $ 29