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Commitments and Contingencies (Details) | 1 Months Ended | 3 Months Ended
--- | --- | ---
Mar. 31, 2016 mi | May 31, 2007 entity | Mar. 31, 2017 USD ($) claim mi
Loss Contingencies [Line Items] |  |  |
Casualty and non catastrophic property deductible |  |  | $ 25,000,000
Casualty and catastrophic property deductible |  |  | $ 50,000,000
Environmental |  |  |
Loss Contingencies [Line Items] |  |  |
Number of miles pertaining to Passaic River tidal reach required to be studied by EPA | mi |  |  | 17
Pending Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Claims with potential material impact (number of claims) | claim |  |  | 1
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 |  |  | $ 6,000,000
Pending Litigation | Maximum |  |  |
Loss Contingencies [Line Items] |  |  |
Possible loss for certain legal proceedings |  |  | $ 129,000,000
Settled Litigation | Environmental |  |  |
Loss Contingencies [Line Items] |  |  |
Number of miles subject to remediation | mi | 8 |  |
Years required for site cleanup | 10 years |  |

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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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