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Number Of Safety Recommendations Issued

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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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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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Commitments and Contingencies - Eastern Ohio Incident (Details) $ in Millions				12 Months Ended	29 Months Ended
	May 23, 2024 USD ($)	Apr. 26, 2024 USD ($)	Aug. 22, 2023 school_district	Dec. 31, 2024 USD ($)	Jun. 30, 2025 USD ($) complaint mi	Jun. 25, 2024 safety_recommendation
Loss Contingencies [Line Items]
Settlement payment				$ 315
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]
Eastern Ohio incident					$ 1,200
Unusual or infrequent item, insurance and other proceeds					1,100
Deferred tax asset, expenses deductible for tax purposed in future periods or offset with insurance recoveries				211	$ 122
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
Litigation settlement, non-environmental legal actions, mile radius of personal injury claims \| mi					10
Number of school districts as plaintiffs \| school_district			6
Estimated litigation liability				$ 369	$ 483
Loss contingency, number of pending claims \| complaint					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