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Change In Fair Value Of Plan Assets Level 3 (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Classification [Line Items]      
Defined Benefit Plan, Plan Assets, Amount $ 116 $ 119 $ 61
Acquisitions and divestitures 0 26  
Relating to assets held at the reporting date 1 1  
Purchases, sales and settlements (3) (2)  
Currency impact (2) 1  
Fair Value, Inputs, Level 3 [Member]      
Classification [Line Items]      
Defined Benefit Plan, Plan Assets, Amount $ 62 $ 66 $ 40