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Commitment and Contingencies (Details) - Insurance Contribution Litigation
$ in Millions
1 Months Ended 3 Months Ended
Apr. 30, 2012
defendant
claimant
Sep. 30, 2025
USD ($)
Loss Contingencies [Line Items]    
Number of insurance companies | claimant 18  
Number of defendant insurers | defendant 3  
Pre-Con-way acquisition environmental matter | $   $ 35