v3.26.3
Pension and Postretirement Benefits - Additional Information (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
Cash contributions, pension plans $ 87.7 $ 317.2 $ 343.7
Remainder of fiscal year cash contribution 9.0    
Current year cash contributions 97.0    
Pension Plans | United States      
Defined Benefit Plan Disclosure [Line Items]      
Cash contributions, pension plans   250.0  
Current year cash contributions 47.0    
Pension Plans | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Current year cash contributions 50.0    
Postretirement Benefit Plans      
Defined Benefit Plan Disclosure [Line Items]      
Current year cash contributions 3.0    
Cash contributions, postretirement benefits $ 1.3 $ 1.0 $ 1.6