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Note 14 - Commitments and Contingencies (Details Textual) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 USD ($)
Sites Identified | 367
Sites Subject of Actions Taken by US Government | 28
Sites on Superfund National Priorities List | 18
Personal Injury [Member] |
Recorded Liability Related to Asserted Claims | 94.00%
Recorded Liability Related to Unasserted Claims | 6.00%
Personal Injury [Member] | Minimum [Member] |
Loss Contingency, Estimate of Possible Loss | $ 332
Personal Injury [Member] | Maximum [Member] |
Loss Contingency, Estimate of Possible Loss | $ 366

X
- Definition Information on the percentage of recorded liability that relates to asserted claims. + References No definition available. + Details
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X
- Definition Information on the percentage of recorded liability that relates to un-asserted claims. + References No definition available. + Details
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X
- 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 Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12021-110248 + Details
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- Details
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- Details
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