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Commitments and Contingencies (Details) |  | 1 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2018 defendant | Mar. 31, 2016 party mi | May 31, 2007 claim entity | Sep. 30, 2020 USD ($) mi | Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |
Casualty and catastrophic property deductible |  |  |  |  | $ 100,000,000 | $ 50,000,000
Casualty and non catastrophic property deductible |  |  |  |  | $ 75,000,000 | $ 25,000,000
Fuel Surcharge Antitrust Litigation |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of consolidated class action lawsuits | claim |  |  | 1 |  |  |
Environmental |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of miles pertaining to Passaic River tidal reach required to be studied by EPA | mi |  |  |  | 17 |  |
Number of parties participating in allocation process under study | party |  | 80 |  |  |  |
Number of parties | defendant | 110 |  |  |  |  |
Pending Litigation | Fuel Surcharge Antitrust Litigation |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Class action lawsuits filed against U.S.-based Class I railroads, excluding CSXT (number of entities) | entity |  |  | 3 |  |  |
Pending Litigation | Minimum |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Possible loss for certain legal proceedings |  |  |  | $ 2,000,000 |  |
Pending Litigation | Maximum |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Possible loss for certain legal proceedings |  |  |  | 41,000,000 |  |
Settled Litigation | Environmental |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of miles subject to remediation | mi |  | 8 |  |  |  |
Total Casualty |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Self-insured retention amount, per occurrence (up to) |  |  |  | $ 75,000,000 |  |

X
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- Definition Number of miles on the Passaic River tidal reach required to be studied as determined by the US Environmental Protection Agency. + References No definition available. + Details
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