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Retirement Plans (Schedule of Change in Benefit Obligations (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Beginning projected benefit obligations $ 1,036 $ 1,118  
Service cost 56 72 $ 63
Interest cost 10 7 8
Foreign exchange impact (56) (70)  
Employee contributions 5 8  
Actuarial (gains) losses (354) (71)  
Curtailment gain 0 (23)  
Benefits paid (24) (5)  
Ending projected benefit obligations 673 1,036 $ 1,118
Ending accumulated benefit obligations $ 645 $ 987