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Employee Benefit Plans - Other Postretirement Employee Benefit Plans (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Accumulated benefit obligation $ 501 $ 594  
Projected benefit obligation 504 596  
Fair value of plan assets 434 486  
Non-U.S. Plans      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets $ 178 $ 157 $ 172
Weighted Average Assumptions:      
Discount rate (percent) 6.03% 5.82%  
Rate of increase in compensation (percent) 2.41% 2.58%  
Cash balance interest crediting rate 2.10% 1.60%  
U.S. Plans      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets $ 417 $ 472 $ 509
Weighted Average Assumptions:      
Discount rate (percent) 5.39% 5.65%  
Cash balance interest crediting rate 4.87% 4.15%