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Commitments and Contingencies - Narrative (Details)
1 Months Ended 12 Months Ended
Jan. 31, 2024
USD ($)
party
Mar. 24, 2023
defendant
Mar. 02, 2023
mi
Jun. 30, 2018
defendant
Mar. 31, 2016
mi
May 31, 2007
entity
Dec. 31, 2024
USD ($)
locomotive
mi
Mar. 02, 2022
party
Other Commitments [Line Items]                
Number of locomotives under the long term maintenance plan | locomotive             1,900  
Casualty And Non Catastrophic Property Deductible             $ 150,000,000  
Casualty And Catastrophic Property Deductible             $ 125,000,000  
Environmental Litigation                
Other Commitments [Line Items]                
Number of miles pertaining to passaic river tidal reach required to be studied by EPA | mi             17  
Number of miles under study | mi         8      
Site contingency, number of upper miles under study | mi     9          
Site contingency, number of parties liable | party               8
Number of parties participating in modified CD | party 82              
Number of defendants | defendant   37   110        
Environmental Litigation | Other Defendants                
Other Commitments [Line Items]                
Litigation settlement, amount awarded to other party $ 150,000,000              
Pending Litigation | Fuel Surcharge Antitrust Litigation                
Other Commitments [Line Items]                
Number of other U.S.-based entities mentioned in class action lawsuit | entity           3    
Minimum | Pending Litigation                
Other Commitments [Line Items]                
Range of possible loss from legal proceedings             $ 3,000,000  
Maximum | Pending Litigation                
Other Commitments [Line Items]                
Range of possible loss from legal proceedings             60,000,000  
Casualty                
Other Commitments [Line Items]                
Self-insured retention amount per injury             $ 100,000,000