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v3.20.2

Commitments And Contingencies (Narrative) (Details) | 9 Months Ended |
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Sep. 30, 2020 USD ($) item | Dec. 31, 2019 USD ($)
Commitments and Contingencies [Line Items] |  |
Sites identified which we are or may be liable for remediation costs | item | 375 |
Sites subject of actions taken by the U.S. government | item | 29 |
Sites on the Superfund National Priorities List | item | 18 |
Personal Injury [Member] |  |
Commitments and Contingencies [Line Items] |  |
Percent of liability recorded related to asserted claims | 95.00% |
Percent of liability recorded related to unasserted claims | 5.00% |
Personal Injury [Member] | Minimum [Member] |  |
Commitments and Contingencies [Line Items] |  |
Reasonably possible outcome of related claims | $ 266,000,000 |
Personal Injury [Member] | Maximum [Member] |  |
Commitments and Contingencies [Line Items] |  |
Reasonably possible outcome of related claims | 290,000,000 |
Guarantees [Member] |  |
Commitments and Contingencies [Line Items] |  |
Maximum potential amount of guarantee payments | 15,000,000 | $ 15,000,000
Recorded liability for fair value of guarantees | $ 0 | $ 0
Expiration year of final guarantee | The final guarantee expires in 2022 |

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- Definition Sites identified at which Railroad is or may be liable for remediation costs associated with alleged contamination or for violations of environmental requirements. + References No definition available. + Details
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- Definition Sites on the Superfund National Priorities List. + References No definition available. + Details
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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248 + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248 + Details
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