Accrual For Loss Contingencies, Including Environmental Loss Contingencies

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- Definition

Deferred Tax Asset, Expenses Deductible For Tax Purposed In Future Periods Or Offset With Insurance Recoveries

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- Definition

Litigation Settlement, Consent Decree Provisions Enforcement Period

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- Definition

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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- Definition

Loss Contingency, Non-Environmental Legal Actions, Mile Radius Of Class Area

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- Definition

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

+ References

No definition available.

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- Definition

Number Of Railcar Derailed

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No definition available.

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- Definition

Number Of Safety Recommendations Issued

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- Definition

Number Of Tank Cars With Risk Of Catastrophic Explosion

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 20
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- Definition

Amount, before recovery, of expense for known and estimated future costs arising from requirement to perform environmental remediation.

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- Definition

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.

+ References

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- Definition

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

+ References

No definition available.

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- Definition

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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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

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

+ References

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- Definition

Number of pending claims pertaining to a loss contingency.

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- Definition

Cash outflows made during the period for environmental remediation activities.

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- Definition

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

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Amount of (gain) loss for an event or transaction that is unusual in nature or occurs infrequently, or both.

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Commitments and Contingencies - Eastern Ohio Incident (Details) $ in Millions				3 Months Ended		6 Months Ended		17 Months Ended
	May 23, 2024 USD ($)	Apr. 09, 2024 USD ($)	Aug. 22, 2023 schoolDistrict	Jun. 30, 2024 USD ($) complaint mi	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) complaint mi	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) complaint mi	Jun. 25, 2024 safetyRecommendation	Dec. 31, 2023 USD ($)	Feb. 03, 2023 railcar
Loss Contingencies [Line Items]
Eastern Ohio incident, net				$ (65)	$ 416	$ 527	$ 803
Eastern Ohio Incident
Loss Contingencies [Line Items]
Environmental matters liabilities				265		265		$ 265		$ 319
Environmental remediation expense				53	264	113	581	949
Payments for environmental liabilities				80	$ 177	167	$ 208	684
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
Accrual for loss contingencies associated with environmental matters and legal proceedings				858		858		858		464
Eastern Ohio incident, net								1,600
Insurance recoveries				156		264		365
Deferred tax asset, expenses deductible for tax purposed in future periods or offset with insurance recoveries				$ 232		$ 232		$ 232		249
Litigation settlement, amount agreed and awarded to other party		$ 600
Non-environmental legal actions, mile radius of class area \| mi				30		30		30
Litigation settlement, Non-environmental legal actions, mile radius of all class action claims \| mi				20		20		20
Litigation settlement, Non-environmental legal actions, mile radius of personal injury claims \| mi				10		10		10
Number of school districts as plaintiffs \| schoolDistrict			6
Estimated litigation liability				$ 644		$ 644		$ 644		$ 82
Loss contingency, number of pending claims \| complaint				6		6		6
Eastern Ohio Incident \| NTSB
Loss Contingencies [Line Items]
Number of safety recommendations issued \| safetyRecommendation									30
Eastern Ohio Incident \| NTSB \| Norfolk Southern
Loss Contingencies [Line Items]
Number of safety recommendations issued \| safetyRecommendation									4