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Benefit Plans (Net Funded Status) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
UNITED STATES      
Change in projected benefit obligation:      
Benefit obligation, beginning period $ 875 $ 914  
Service cost 8 8 $ 14
Interest cost 43 47 28
Plan amendments 7 2  
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement 0 0  
Defined Benefit Plan, Benefit Obligation, Benefits Paid (61) (115)  
Defined Benefit Plan, Plan Assets, Divestiture 0 0  
Actuarial loss (gain) (30) 19  
Effect of foreign currency exchange rate changes 0 0  
Benefit obligation, ending period 842 875 914
Change in plan assets:      
Fair value of plan assets, beginning period 883 911  
Actual return on plan assets 13 80  
Employer contributions 8 8  
Defined Benefit Plan, Plan Assets, Payment for Settlement 0 0  
Defined Benefit Plan, Plan Assets, Benefits Paid (60) (116)  
Effect of foreign currency exchange rate changes 0 0  
Fair value of plan assets, ending period 844 883 911
Funded status as of December 31 2 8  
Foreign Plan [Member]      
Change in projected benefit obligation:      
Benefit obligation, beginning period 190 177  
Service cost 3 4 4
Interest cost 17 21 17
Defined Benefit Plan, Benefit Obligation, Interest cost 17 21  
Plan amendments 0 0  
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement (3) (1)  
Defined Benefit Plan, Benefit Obligation, Benefits Paid (11) (15)  
Defined Benefit Plan, Plan Assets, Divestiture (99) 0  
Actuarial loss (gain) (6) (2)  
Effect of foreign currency exchange rate changes (20) 6  
Benefit obligation, ending period 71 190 177
Change in plan assets:      
Fair value of plan assets, beginning period 127 114  
Actual return on plan assets 7 10  
Employer contributions 8 9  
Defined Benefit Plan, Plan Assets, Payment for Settlement (3) (1)  
Defined Benefit Plan, Plan Assets, Benefits Paid (11) (15)  
Effect of foreign currency exchange rate changes (14) 10  
Fair value of plan assets, ending period 14 127 $ 114
Funded status as of December 31 $ (57) $ (63)