Document and Entity Information[Abstract] Document and Entity Information[Abstract] Statement [Table] Legal Entity [Axis] Entity [Domain] Parent Company [Member] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Consolidated Statements of Income (Unaudited) [Abstract] Statement, Scenario [Axis] Scenario, Unspecified [Domain] Railway operating revenues Railway operating revenues Revenues, Total Railway operating expenses: Compensation and benefits Labor and Related Expense, Total The amount of expense for contract services provided to the Company and rent paid for freight cars owned by other railroads or private companies net of rents received, including lease expenses, primarily for locomotives, railcars, containers, and trailers. Purchased services and rents Fuel Cost Of Services Depreciation Depreciation Materials and other operating expenses not separately disclosed. This element is used when other, more specific, elements are not appropriate. Materials and other Materials and other Operating Expenses Total railway operating expenses Income from railway operations Income from railway operations Other Nonoperating Income Expense Other Nonoperating Income (Expense), Total Other income, net Other income - net Interest expense on debt Interest expense on debt Sum of operating profit (loss) and non-operating income (expense) before income taxes. Income before income taxes Income before income taxes Provision for income taxes Provision for income taxes Provision for income taxes Net income Net income Per share amounts Basic Basic earnings per share Basic Diluted Diluted earnings per share Diluted Common Stock Dividends Per Share Cash Paid Dividends Consolidated Balance Sheets (Unaudited) [Abstract] Consolidated Balance Sheets (Unaudited) [Abstract] Assets Abstract Assets Cash Equivalents At Carrying Value Cash and cash equivalents Cash Equivalents, at Carrying Value, Total Short-term investments Total short-term investments Short-term Investments, Total Accounts receivable - net Accounts receivable, net Accounts Receivable, Net, Current, Total Aggregate carrying amount, as of the balance sheet date, of unapplied materials and supplies to be used in the performance or support of carrier operations. Materials and supplies Deferred Tax Assets Net Current Deferred Tax Assets, Net, Current, Ending Balance Deferred Tax Assets, Net, Current, Beginning Balance Deferred income taxes Deferred Tax Assets, Net, Current, Total Other current assets Other current assets Total current assets Total current assets Long Term Investments Investments Long-term Investments, Total Properties less accumulated depreciation Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Total Other assets Other assets Other assets Assets Total assets Liabilities and stockholders' equity [Abstract] Liabilities and stockholders' equity Accounts payable Accounts Payable, Current, Total Short-term debt Short-term Borrowings, Total Income and other taxes Taxes Payable, Current, Total Other Liabilities Current Other current liabilities Other Liabilities, Current, Total Current maturities of long-term debt Current maturities of long-term debt Current maturities of long-term debt Total current liabilities Total current liabilities Long Term Debt And Capital Lease Obligations Long-term debt Long-term Debt and Capital Lease Obligations, Total Other Liabilities Noncurrent Other Liabilities, Noncurrent, Total Other liabilities Other liabilities Deferred income taxes Deferred income taxes Deferred income taxes Liabilities Total liabilities Stockholders' equity: Common stock $1.00 per share par value, 1,350,000,000 shares authorized; outstanding 367,893,915 and 366,233,106 shares, respectively, net of treasury shares Common stock $1.00 per share par value, 1,350,000,000 shares authorized; outstanding ______________ and 369,019,990 shares, respectively, net of treasury shares Common stock $1.00 per share par value, 1,350,000,000 shares authorized; outstanding 368,615,496 and 369,019,990 shares, respectively, net of treasury shares Additional Paid In Capital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional paid-in capital Additional Paid in Capital, Total Accumulated other comprehensive loss Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Retained income Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained income Retained income Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance Total stockholders' equity Liabilities and Stockholders' Equity Total liabilities and stockholders' equity Consolidated Balance Sheets (Unaudited) (Parenthetical) [Abstract] Consolidated Balance Sheets (Unaudited) (Parenthetical) [Abstract] Common Stock, Par or Stated Value Per Share Common stock, par or stated value per share Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Outstanding, net of treasury shares Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common stock, shares outstanding, net of treasury shares Statement of Cash Flows (Unaudited) [Abstract] Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities Abstract Reconciliation of net income to net cash provided by operating activities: Depreciation Depreciation, Total Deferred Income Tax Expense (Benefit), Total Deferred Income Tax Expense (Benefit), Total Deferred income taxes Deferred Income Tax Expense (Benefit), TotalDeferred income taxes Gain (Loss) on Sale of Property Gains and losses on properties Gain (Loss) on Sale of Property, Total Increase (Decrease) in Operating Capital [Abstract] Increase (Decrease) in Operating Assets [Abstract] Changes in assets and liabilities affecting operations: Accounts receivable The net change during the reporting period in the aggregate value of all materials and supplies held by the reporting entity, associated with underlying transactions that are classified as operating activities. increase (decrease) in Materials and supplies Materials and supplies Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets' have the same label Other current assets Current liabilities other than debt The net cash inflow (outflow) from other operating activities. This element is used when there is not a more specific and appropriate element in the taxonomy. Other - net Other, net Other, net Net cash provided by operating activities Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities Property additions Property additions Payments to Acquire Property, Plant, and Equipment, Total Property sales and other transactions Proceeds from Sale of Property, Plant, and Equipment, Total Investments, including short-term Investments, including short-term Payments to Acquire Investments, Total Payments for (Proceeds from) Other Investing Activities Investment sales and other transactions Investment sales and other transactions Investment sales and other transactions Net Cash Used in Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities Payments Of Dividends Dividends Dividends Payments of Dividends, Total Proceeds from stock options exercised Common stock issued, net Purchase and retirement of common stock Purchase and retirement of common stock Proceeds from borrowings - net Proceeds from borrowings, net Proceeds from Issuance of Long-term Debt, Total Repayments of Long-term Debt Debt repayments Debt repayments Debt repayments Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities Net increase (decrease) in cash and cash equivalents Net increase (decrease) in cash and cash equivalents Net increase (decrease) in cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value At end of period At beginning of year Cash and Cash Equivalents, at Carrying Value, Total Supplemental disclosure of cash flow information Supplemental disclosure of cash flow information Interest (net of amounts capitalized) Interest Paid, Net, Total Income taxes (net of refunds) Income Taxes Paid, Net, Total Stock Based Compensation (Unauddited) [Abstract] Stock Based Compensation (Unauddited) [Abstract] Stock Based Compensation Abstract StockBasedCompensationAbstract Stock-based Compensation Income Taxes (Unaudited) [Abstract] Income Taxes (Unaudited) [Abstract] Income Taxes Earnings Per Share (Unaudited) [Abstract] Earnings Per Share Stockholders' Equity (Unaudited) [Abstract] Stockholders' Equity Stock Repurchase Program (Unaudited) [Abstract] Stock Repurchase Program (Unaudited) [Abstract] This element is used to disclose the repurchase of common stock through the company's repurchase program Stock Repurchase Program Stock Repurchase Program Investments (Unaudited) [Abstract] Investments Debt (Unaudited) [Abstract] Debt (Unaudited) [Abstract] Debt Pensions and Other Postretirement Benefits (Unaudited) [Abstract] Pensions and Other Postretirement Benefits (Unaudited) [Abstract] Pensions and Other Postretirement Benefits Comprehensive Income (Unaudited) [Abstract] Comprehensive Income (Unaudited) [Abstract] Comprehensive Income Fair Value (Unaudited) [Abstract] Fair Value (Unaudited) [Abstract] Fair Value Commitments and Contingencies (Unaudited) [Abstract] Commitments and Contingencies (Unaudited) [Abstract] Commitments and Contingencies For each plan, identification of the award pricing model or other valuation method used in calculating the weighted average fair values disclosed. The model is also used to calculate the compensation expense that is shown within the balance sheet, income statement, and cash flow. Examples of valuation techniques are lattice models (binomial model), closed-form models (Black-Scholes-Merton formula), and a Monte Carlo simulation technique. Fair value is the amount at which an asset (or liability) could be bought (or incurred) or sold (or settled) in a current transaction between willing parties, that is, other than in a forced or liquidation sale. May include disclosures about the assumptions underlying application of the method selected. Option grant fair value assumptions method used [Text Block] LTIP and TSOP grant assumptions for 2010 Schedule of Earnings Per Share, Basic, by Common Class [Text Block] Schedule of Basic Earnings Per Share Calculation Schedule of Earnings Per Share, Diluted, by Common Class [Text Block] Schedule of Diluted Earnings Per Share Calculation Schedule of Short-Term Investments Schedule of Short-Term Investments [Text Block] Schedule of Short-Term Investments Disclosures about an individual defined benefit pension plan or an other postretirement defined benefit plan. It may be appropriate to group certain similar plans. Schedule Of Defined Benefit Plans Disclosures Table [Text Block] Pension and Other Postretirement Benefit Cost Components This element is used to disclose total comprehensive income. ComprehensiveIncomeTotalTable [Text Block] Comprehensive Income Financial Instruments Owned At Fair Value Financial Instruments Owned At Fair Value [Text Block] Schedule of Carrying Amounts and Estimated Fair Values Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis] Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain] Norfolk Southern Corporation Long-Term Incentive Plan LTIP [Member] Norfolk Southern Corporation Thoroughbred Stock Option Plan TSOP [Member] Norfolk Southern Corporation Restricted Stock Units RSU [Member] Norfolk Southern Corporation Performance Share Units PSU [Member] Share-based compensation cost during the period with respect to the award, which will be recognized in income or capitalized as part of the cost of an asset. Share-Based Compensation Arrangement By Share-Based Payment Award Compensation Cost, Excluding Tax Effect Stock-based compensation benefit/expense Share-based compensation cost - tax effect during the period with respect to the award, which will be recognized in income or capitalized as part of the cost of an asset. Share-Based Compensation Arrangement By Share-Based Payment Award Tax Effect Total tax effect recognized Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period Share-based compensation arrangement by share-based payment award, options, grants in period This element is used to disclose the grant price of the LTIP and TSOP stock option grants. Stock Option Grant Price Grant price Share-based Compensation Arrangement by Share-based Payment Award, Award Expiration Dating Option term Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based compensation arrangement by share-based payment award, anniversary award vesting period This element is used to disclose the number of years holders of LTIP options who remain actively employed, are eligible for dividend equivalents payments on a particular stock option grant. Dividend Equivalent Payment Years LTIP dividend equivalent payment years The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term when dividend equivalent payments are made. Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate When Dividend Equivalents Are Paid Dividend yield for period dividend equivalents paid The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term where no dividend equivalent payments are made. Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate When Dividend Equivalents Are Not Paid Dividend yield for period dividend equivalents not paid An entity using a valuation technique with different volatilities during the contractual term must disclose the minimum range of expected volatilities used. Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Minimum Expected volatility rate, minimum An entity using a valuation technique with different volatilities during the contractual term must disclose the maximum range of expected volatilities used. Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Maximum Expected volatility rate, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Average expected option life An entity using a valuation technique with different volatilities during the contractual term must disclose the weighted-average expected volatility Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Weighted Average Expected Volatility Rate Average expected volatility rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Average risk-free interest rate The grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period Grant Date Fair Value Share-based compensation arrangement by share-based payment award, options, grants in period grant date fair value Stock Issued During Period, Shares, Stock Options Exercised Options exercised The cash inflow associated with the amount received from holders exercising their stock option excluding the tax effect. Proceeds from stock options exercised, excluding tax effect Tax Benefit from Stock Options Exercised Tax benefits Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period This element is used to disclose the period of time over which an employee's restricted stock unit award is earned. Restricted Stock Unit Restriction Period Restriction period This element is used to disclose the number of restricted stock units paid out in cash during the period related to Restricted Stock Unit awards, net of any forfeits. Restricted Stock Units Paid In Cash Restricted stock units earned and paid out in cash Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Weighted average fair value Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Restricted shares earned and distributed Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total The weighted average grant date fair value of incentive awards paid out during the reporting period. Share-Based Compensation Arrangement By Share-Based Payment Award Options, Paid Out In Period, Weighted Average Grant Date Fair Value Weighted-average grant-date fair value of restricted shares distributed This element is used to disclose the grant price of incentive award grants. Incentive Award Grant Price Grant-date fair value This element is used to disclose the number of PSUs paid out in one-half Common Stock and one-half cash during the reporting period related to Performance Share Unit awards, net of any forfeits and unearned awards. Performance Share Units Paid In Cash PSUs earned and paid out The grant-date fair value of incentive awards paid out during the reporting period. Share-Based Compensation Arrangement By Share-Based Payment Award Options Paid Out In Period Grant Date Fair Value Grant-date fair value for PSUs paid out This element is used to disclose the fair value at pay out of incentive awards paid out during the reporting period. Incentive Award Payout Fair Value Fair value at payout Reductions in the entity's income taxes that arise when compensation cost (from incentive awards) recognized on the entity's tax return exceeds compensation cost from incentive awards recognized on the income statement. Tax Benefit Expense From Incentive Awards Tax benefit/expense This element is used to disclose the deferred tax expense charge as a result of the Patient Protection and Affordable Care Act and the Health Care and Education Reconciliation Act of 2010. Medicare Part D Employee Stock Ownership Plan (ESOP), Dividends Paid to ESOP Dividend equivalent payments Net Income (Loss) Available to Common Stockholders, Basic Income available to common stockholders Net Income (Loss) Available to Common Stockholders, Basic, Total Weighted Average Number of Shares Outstanding, Basic Weighted-average shares outstanding Weighted Average Number of Shares Outstanding, Basic, Total Net Income (Loss) Available to Common Stockholders, Diluted Income available to common stockholders Net Income (Loss) Available to Common Stockholders, Diluted, Total Weighted Average Number Diluted Shares Outstanding Adjustment Dilutive effect of outstanding options and share settled awards Weighted Average Number Diluted Shares Outstanding Adjustment, Total Weighted Average Number of Shares Outstanding, Diluted Adjusted weighted-average shares outstanding Weighted Average Number of Shares Outstanding, Diluted, Total This element is used to disclose the number of options having exercise prices exceeding the average market price of Common Stock. Options With Exercise Prices Above Average Market Price Options having exercise prices exceeding average market price Treasury Stock, Number of Shares Held Shares held by consolidated subsidiaries Treasury Stock, Value Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Value of shares held by consolidated subsidiaries This element is used to disclose the number of shares originally authorized to be repurchased under the Norfolk Southern share repurchase program. Stock Repurchase Program, Shares Originally Authorized Originally authorized This element is used to disclose the new authorization for the number of shares to be repurchased under the Norfolk Southern share repurchase program. Stock Repurchase Program, New Share Authorization New authorization This element is used to disclose the additional number of shares authorized under the new stock repurchase program. New stock repurchase program Stock repurchased and retired during period, shares Share repurchases Share repurchases - cost Schedule of Trading Securities and Other Trading Assets, Major Types of Trading Securities and Assets [Axis] Major Types of Trading Securities and Assets [Domain] Securities (Assets) [Member] Debt Securities [Member] Summary of Investments, Other than Investments in Related Parties, by Type [Axis] Summary of Investments, by Type [Domain] Fixed Maturities [Member] All Other Corporate Bonds [Member] Fair Value, Option, Qualitative Disclosures Related to Election, by Eligible Item or Group [Axis] Fair Value, Option, Eligible Item or Group [Domain] Norfolk Southern Corporation equity interest in Conrail Conrail Equity [Member] Norfolk Southern Corporation voting interest in Conrail Conrail Voting [Member] Norfolk Southern Corporation equity interest in Pan Am Southern LLC Pan Am Southern LLC [Member] Investments [Member] US Treasury and Government [Member] Available-for-sale securities, debt securities, current Available-for-sale Securities, Debt Securities, Current, Total Other Short-term Investments Other short-term investments This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment losses recognized. Income (Loss) Equity In Conrail Investment in Conrail This element is used to disclose the "purchased services and rents" and "fuel" expenses for the use of the Shared Assets Area. Expenses For The Use Of The Shared Assets Area Expenses for the use of the SAA This item represents the entity's proportionate share for the period of the net income (loss) of its investee (Conrail) to which the equity method of accounting is applied. Such amount typically reflects adjustments similar to those made in preparing consolidated statements, including adjustments to eliminate intercompany gains and losses, and to amortize, if appropriate, any difference between cost and underlying equity in net assets of the investee at the date of investment. Income (Loss) From Equity In Conrail Equity in the earnings of Conrail This element is used to disclose the amount recorded in accounts payable due to Conrail for the operation of the Shared Assets Area. Due To Conrail Due to Affiliate Long-term advances from Conrail Debt Instrument, Interest Rate, Stated Percentage Average interest rate Equity method investment, ownership percentage This element is used to disclose the amount of cash and other property that Norfolk Southern has contributed to Pan Am Southern LLC as of the balance sheet date. Cash And Property Contributions To Pan Am Southern, LLC Cash and property contributions This element is used to disclose the amount of cash contributions Norfolk Southern has committed to contribute to Pan Am Southern LLC. Additional Cash Contributions To Pan Am Southern, LLC Committed to contribute The average maturity date in months of Federal government notes. Federal Goverment Notes Maturity Date Average federal government notes maturity, months The average maturity date in months of corporate notes. Corporate Notes Maturity Date Average corporate notes maturity, months The average maturity date in months of other short-term investments. Other Short-Term Investment Maturity Date Average other short-term investments maturity, months Repayments of short-term debt Repayments of Short-term Debt, Total The balance as of the reporting period of the amount owed to the reporting entity by counterparties in securitized loan transactions. Accounts Receivable From Securitization Balance Accounts receivable securitization facility Average variable interest rate This element is used to disclose the authority Norfolk Southern has from the Board of Directors to issue additional debt or equity securities through public or private sale. Authority to Issue Debt Equity Securities Authority to issue additional debt/equity securities Defined Benefit Plans Disclosures, Defined Benefit Plans [Axis] Defined Benefit Plans [Domain] Pension Plans, Defined Benefit [Member] Norfolk Southern Corporation funded and unfunded defined pension benefits Pension Benefits [Member] Other Postretirement Benefit Plans, Defined Benefit [Member] Norfolk Southern Corporation Other Postretirement Benefits OPEB [Member] Defined Benefit Plan Service Cost Service cost Defined Benefit Plan Interest Cost Interest cost Defined Benefit Plan Expected Return On Plan Assets Expected return on plan assets Defined Benefit Plan Amortization Of Prior Service Cost Credit Amortization of prior service cost (benefit) Defined Benefit Plan Amortization Of Net Gains Losses Amortization of net losses Defined Benefit Plan Net Periodic Benefit Cost Net cost Net cost Other Comprehensive Income (Loss), Net of Tax Other comprehensive income Other comprehensive income (loss) Other comprehensive income This element is used to disclose Total Comprehensive Income (Loss), Net of Tax, for the period including Net Income. Total Comprehensive Income Loss Including Net Income Total comprehensive income Available-for-sale Securities, Fair Value Disclosure Fair value available-for-sale securities Summary of Investments, Other than Investments in Related Parties, Carrying Amount Investments carrying value Summary of Investments, Other than Investments in Related Parties, Fair Value Investments fair value Long-term Debt Long-term debt carrying value Long-term Debt, Total Debt Instrument, Fair Value Long-term debt fair value Proceeds from Sale of Available-for-sale Securities Sales of "available-for-sale" securities Proceeds from Sale of Available-for-sale Securities, Total This element is used to disclose the contested portion of arbitration with one of Norfolk Southern's insurance carriers. Contested Portion Of Arbitration Contested portion of arbitration claim Increase (decrease) in employee personal injury claims. Increase (decrease) in employee personal injury claims Reduction in employee personal injury claims Accrual for Environmental Loss Contingencies Accrual for Environmental Loss Contingencies, Ending Balance Accrual for Environmental Loss Contingencies, Beginning Balance Environmental liability Accrual for Environmental Loss Contingencies, Total Accrual for Environmental Loss Contingencies, Undiscounted, Due within One Year Current environmental liability This element is used to disclose the number of known locations of environmental loss contingencies. Environmental Cleanup Locations Known cleanup and remediation sites This element is used to disclose a representative sample of the total number of environmental locations. Environmental Locations Representative Sample Number of sites This element is used to disclose the liability associated with the representative sample of environmental locations. Environmental Locations Representative Sample Liability Liability associated with those sites This element is used to disclose the number of years over which Norfolk Southern anticipates the representative sample liability will be paid out. Environmental locations representative sample liability period This element is used to disclose the number of locations Norfolk Southern or its subsidiaries in conjunction with other parties have been identified as potentially responsible parties by the Environmental Protection Agency (EPA). Environmental Reponsible Party In Conjunction With Other Parties Responsible locations with another party This element is used to disclose the civil fees paid by Norfolk Southern to the Department of Justice. D. O. J. Civil Fees DOJ civil fees This element is used to disclose the amount up to which Norfolk Southern is self-insured per occurrence for bodily injury and property damage to third parties. Self-Insured For Bodily Injury And Property Damage To Third Parties Up To Self-insured injury/damage to third party - up to This element is used to disclose the amount above which Norfolk Southern is self-insured per occurrence for bodily injury and property damage to third parties. Self-Insured For Bodily Injury And Property Damage To Third Parties Above Self-insured injury/damage to third party - and above This element is used to disclose the amount up to which Norfolk Southern is self-insured per occurrence for property owned or in the care, custody or control of Norfolk Southern. Self-Insured For Property Owned Up To Self-insured NS owned property - up to This element is used to disclose the amount above which Norfolk Southern is self-insured per occurrence for property owned or in the care, custody or control of Norfolk Southern. Self-Insured For Property Owned Above Self-insured NS owned property - and above Long-term Purchase Commitment, Amount Purchase commitments Scenario, Actual [Member]