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PENSION AND OTHER POSTRETIREMENT BENEFIT PROGRAMS - Reconciliation of Pension and OPEB Plan Obligations, Assets and Funded Status (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Benefit obligations      
End of period $ 3,378    
Fair value of plan assets      
Beginning of period 2,501    
End of period 2,693 $ 2,501  
Amounts recognized in the consolidated balance sheets      
Noncurrent asset 129 123  
Pension benefits      
Benefit obligations      
Beginning of period 3,112 4,390  
Service cost 23 75 $ 86
Interest cost 155 97 71
Participant contributions 4 4  
Actuarial (gain) loss 195 (1,197)  
Benefit payments (141) (123)  
Settlements (19) (17)  
Curtailment 0 (13)  
Acquisitions 2 0  
Plan Amendments 3 1  
Foreign exchange and other 44 (105)  
End of period 3,378 3,112 4,390
Fair value of plan assets      
Beginning of period 2,501 3,784  
Actual return on plan assets 268 (1,118)  
Employer contributions 47 47  
Participant contributions 4 4  
Benefit payments (141) (123)  
Settlements (19) (17)  
Acquisitions 0 0  
Foreign exchange and other 33 (76)  
End of period 2,693 2,501 3,784
Funded status (685) (611)  
Amounts recognized in the consolidated balance sheets      
Noncurrent asset 129 123  
Current liability (32) (30)  
Noncurrent liability (782) (704)  
Net liability recognized (685) (611)  
OPEB      
Benefit obligations      
Beginning of period 160 211  
Service cost 0 1 1
Interest cost 8 4 4
Participant contributions 0 0  
Actuarial (gain) loss 5 (37)  
Benefit payments (19) (19)  
Settlements 0 0  
Curtailment 0 0  
Acquisitions 0 0  
Plan Amendments 0 0  
Foreign exchange and other 0 0  
End of period 154 160 211
Fair value of plan assets      
Beginning of period 0 0  
Actual return on plan assets 0 0  
Employer contributions 19 19  
Participant contributions 0 0  
Benefit payments (19) (19)  
Settlements 0 0  
Acquisitions 0 0  
Foreign exchange and other 0 0  
End of period 0 0 $ 0
Funded status (154) (160)  
Amounts recognized in the consolidated balance sheets      
Noncurrent asset 0 0  
Current liability (17) (18)  
Noncurrent liability (137) (142)  
Net liability recognized $ (154) $ (160)