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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Schedule of Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Other Postretirement Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 0 $ 0
Interest cost 2 1
Expected return on plan assets 0 0
Amortization:    
Actuarial loss 0 0
Prior service credit (12) (11)
Settlement and curtailment (gain) loss 0 0
Net periodic benefit cost (credit) (10) (10)
United States Pension Benefits | Pension Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 1 1
Interest cost 20 19
Expected return on plan assets (36) (39)
Amortization:    
Actuarial loss 15 17
Prior service credit 0 0
Settlement and curtailment (gain) loss 0 0
Net periodic benefit cost (credit) 0 (2)
Foreign Pension Benefits | Pension Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 1 1
Interest cost 4 4
Expected return on plan assets (9) (9)
Amortization:    
Actuarial loss 3 5
Prior service credit 0 0
Settlement and curtailment (gain) loss 1 0
Net periodic benefit cost (credit) $ 0 $ 1