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Retirement and Other Postretirement Benefit Plans - Schedule of Impact of One-Percentage-Point Change in Expected Long-term Rate of Return and Discount Rate on Pension Expense and Retirement Obligation (Details)
$ in Millions
12 Months Ended
Dec. 31, 2024
USD ($)
U.S. Non-qualified Defined Benefit Retirement Plans  
Impact of one-percentage-point increase and a one-percentage-point decrease in the discount rate on retirement obligation as of December 31, 2019  
One-percentage-point increase in discount rate $ (0.3)
One-percentage-point decrease in discount rate 0.3
U.S. Retiree Medical Plans  
Impact of one-percentage-point increase and a one-percentage-point decrease in the discount rate on retirement obligation as of December 31, 2019  
One-percentage-point increase in discount rate 0.0
One-percentage-point decrease in discount rate $ 0.0