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Pension and Other Postretirement Benefits (Details 5) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Retirement Benefits [Abstract]      
Employer contribution $ 19 $ 25 $ 22
Nonqualified supplemental pension plan      
Pension and Other Postretirement Benefits      
Accrued expenses 1 1  
Other noncurrent liability 10 14  
Expenses recognized $ 1 $ 2 $ 2