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- Definition

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Litigation Settlement, Non-Environmental Legal Actions, Mile Radius Of All Class Action Claims

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Litigation Settlement, Non-Environmental Legal Actions, Mile Radius Of Personal Injury Claims

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Loss Contingency, Deadline Period For Defendants To Respond To Complaint

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Loss Contingency, Joint Preliminary Report And Discovery Plan

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Number Of Non-Company-Owned Tank Cars Contained Hazardous Materials

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Number Of Railcar Derailed

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Number Of Safety Recommendations Issued

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Number Of Tank Cars With Risk Of Catastrophic Explosion

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Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

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Amount awarded to other party in judgment or settlement of litigation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of plaintiffs that have filed claims pertaining to a loss contingency.

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Number of pending claims pertaining to a loss contingency.

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The amount of cash paid for the settlement of litigation or for other legal issues during the period.

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Amount of insurance proceeds for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

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Commitments and Contingencies - Eastern Ohio Incident (Details) $ in Millions					3 Months Ended		12 Months Ended	26 Months Ended
	Mar. 24, 2025	May 23, 2024 USD ($)	Apr. 26, 2024 USD ($)	Aug. 22, 2023 school_district	Mar. 31, 2025 USD ($) complaint mi	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	Mar. 31, 2025 USD ($) complaint mi	Jun. 25, 2024 safety_recommendation	Feb. 03, 2023 railcar
Loss Contingencies [Line Items]
Settlement payment							$ 315
Loss contingency, deadline period for defendants to respond to complaint	30 days
Loss contingency, joint preliminary report and discovery plan	30 days
Eastern Ohio Incident \| Pending Litigation \| Minimum
Loss Contingencies [Line Items]
Consent Decree provisions enforcement period		5 years
Eastern Ohio Incident \| Pending Litigation \| Maximum
Loss Contingencies [Line Items]
Consent Decree provisions enforcement period		20 years
Eastern Ohio Incident \| Pending Litigation \| Oversight Costs
Loss Contingencies [Line Items]
Litigation settlement, amount agreed and awarded to other party		$ 57
Eastern Ohio Incident \| Pending Litigation \| Civil Penalty
Loss Contingencies [Line Items]
Litigation settlement, amount agreed and awarded to other party		$ 15
Eastern Ohio Incident
Loss Contingencies [Line Items]
Number of railcars derailed \| railcar										38
Number of non-Company-owned tank cars contained hazardous materials \| railcar										11
Number of tank cars with risk of catastrophic explosion \| railcar										5
Eastern Ohio incident								$ 1,300
Insurance recoveries					$ 224	$ 108		975
Deferred tax asset, expenses deductible for tax purposed in future periods or offset with insurance recoveries					$ 158		211	$ 158
Litigation settlement, amount agreed and awarded to other party			$ 600
Litigation settlement, non-environmental legal actions, mile radius of all class action claims \| mi					20			20
Litigation settlement, non-environmental legal actions, mile radius of personal injury claims \| mi					10			10
Number of school districts as plaintiffs \| school_district				6
Estimated litigation liability					$ 394		$ 369	$ 394
Loss contingency, number of pending claims \| complaint					6			6
Eastern Ohio Incident \| NTSB
Loss Contingencies [Line Items]
Number of safety recommendations issued \| safety_recommendation									30
Eastern Ohio Incident \| NTSB \| Norfolk Southern
Loss Contingencies [Line Items]
Number of safety recommendations issued \| safety_recommendation									4