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Pension and Other Postretirement Benefits - Components (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Pension Plan | U.S.    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 3 $ 5
Interest cost 12 8
Expected return on plan assets (15) (19)
Recognized net loss 11 12
Net periodic cost / (benefit) 11 6
Pension Plan | Non-U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 3 2
Interest cost 5 4
Expected return on plan assets (5) (5)
Recognized net loss 1 1
Net periodic cost / (benefit) 4 2
Other Postretirement Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Interest cost 2 1
Recognized prior service credit 0 (5)
Recognized net loss 0 1
Net periodic cost / (benefit) $ 2 $ (3)