| * |
|
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|
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us-gaap:IncomeStatementAbstract |
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us-gaap: Statement [Table]
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us-gaap:StatementTable |
| 3 |
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us-gaap: Statement [Line Items]
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us-gaap:StatementLineItems |
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|
us-gaap: Railway operating revenues
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xbrli:monetaryItemType |
duration |
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us-gaap:Revenues |
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us-gaap: Net Income (Loss) Available to Common Stockholders, Basic [Abstract]
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|
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasicAbstract |
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us-gaap: Net Income (Loss) Attributable to Parent [Abstract]
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us-gaap:NetIncomeLossAbstract |
| 7 |
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us-gaap: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest [Abstract]
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us-gaap:NetIncomeLossAttributableToReportingEntityAbstract |
| 8 |
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us-gaap: Income (Loss) before Cumulative Effect of Change in Accounting Principle [Abstract]
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xbrli:stringItemType |
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us-gaap:IncomeLossBeforeCumulativeEffectOfChangeInAccountingPrincipleAbstract |
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us-gaap: Income (Loss) before Extraordinary Items and Cumulative Effect of Change in Accounting Principle [Abstract]
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us-gaap:IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrincipleAbstract |
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us-gaap:IncomeLossFromContinuingOperationsAbstract |
| 11 |
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us-gaap: Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects
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us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract |
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us-gaap: Operating Income (Loss) [Abstract]
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us-gaap:OperatingIncomeLossAbstract |
| 13 |
|
us-gaap: Costs and Expenses [Abstract]
|
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us-gaap:CostsAndExpensesAbstract |
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us-gaap: Cost of Revenue [Abstract]
|
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us-gaap:CostOfRevenueAbstract |
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us-gaap: Cost of Goods and Services Sold [Abstract]
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us-gaap:CostOfGoodsAndServicesSoldAbstract |
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us-gaap: Cost of Services [Abstract]
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|
us-gaap:CostOfServicesAbstract |
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|
us-gaap: Railway operating expenses:
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xbrli:stringItemType |
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|
us-gaap:CostOfServicesDepreciationAndAmortizationAbstract |
| 18 |
|
us-gaap: Compensation and benefits
|
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duration |
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us-gaap:LaborAndRelatedExpense |
| 19 |
|
nsc: Purchased services and rents
|
xbrli:monetaryItemType |
duration |
debit |
nsc:PurchasedServicesAndRents |
| 20 |
|
us-gaap: Fuel
|
xbrli:monetaryItemType |
duration |
debit |
us-gaap:FuelCosts |
| 21 |
|
us-gaap: Depreciation
|
xbrli:monetaryItemType |
duration |
debit |
us-gaap:CostOfServicesDepreciation |
| 22 |
|
nsc: Materials and other
|
xbrli:monetaryItemType |
duration |
debit |
nsc:MaterialsAndOther |
| 23 |
|
us-gaap: Total railway operating expenses
|
xbrli:monetaryItemType |
duration |
debit |
us-gaap:OperatingExpenses |
| 24 |
|
us-gaap: Income from railway operations
|
xbrli:monetaryItemType |
duration |
credit |
us-gaap:OperatingIncomeLoss |
| 25 |
|
us-gaap: Other income,net
|
xbrli:monetaryItemType |
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us-gaap:OtherNonoperatingIncomeExpense |
| 26 |
|
us-gaap: Interest expense on debt
|
xbrli:monetaryItemType |
duration |
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us-gaap:InterestExpense |
| 27 |
|
nsc: Income before income taxes
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xbrli:monetaryItemType |
duration |
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nsc:IncomeBeforeIncomeTaxes |
| 28 |
|
us-gaap: Provision for income taxes
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xbrli:monetaryItemType |
duration |
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us-gaap:IncomeTaxExpenseBenefit |
| 29 |
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us-gaap: Net income
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xbrli:monetaryItemType |
duration |
credit |
us-gaap:ProfitLoss |
| 30 |
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us-gaap: Net Income (Loss) Attributable to Parent, Total
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duration |
credit |
us-gaap:NetIncomeLoss |
| 31 |
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us-gaap: Net Income (Loss) Available to Common Stockholders, Basic, Total
|
xbrli:monetaryItemType |
duration |
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us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic |
| 32 |
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us-gaap: Earnings Per Share [Abstract]
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us-gaap:EarningsPerShareAbstract |
| 33 |
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us-gaap: Per share amounts
|
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us-gaap:EarningsPerShareBasicAbstract |
| 34 |
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us-gaap: Basic
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duration |
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us-gaap:EarningsPerShareBasic |
| 35 |
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us-gaap: Diluted
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us-types:perShareItemType |
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us-gaap:EarningsPerShareDiluted |
| 36 |
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us-gaap: Dividends
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us-gaap:CommonStockDividendsPerShareCashPaid |
| * |
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Network: (104060 - Statement - Consolidated Balance Sheets (Unaudited)) |
| 37 |
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us-gaap: Statement of Financial Position [Abstract]
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us-gaap:StatementOfFinancialPositionAbstract |
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us-gaap: Statement [Table]
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us-gaap:StatementTable |
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us-gaap: Statement [Line Items]
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us-gaap:StatementLineItems |
| 40 |
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us-gaap: Assets
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us-gaap:AssetsAbstract |
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us-gaap: Cash and cash equivalents
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us-gaap:CashEquivalentsAtCarryingValue |
| 42 |
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us-gaap: Accounts receivable, net
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xbrli:monetaryItemType |
instant |
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us-gaap:AccountsReceivableNetCurrent |
| 43 |
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nsc: Materials and supplies
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xbrli:monetaryItemType |
instant |
debit |
nsc:MaterialsAndSupplies |
| 44 |
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us-gaap: Deferred income taxes
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xbrli:monetaryItemType |
instant |
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us-gaap:DeferredTaxAssetsNetCurrent |
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us-gaap: Other current assets
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us-gaap:OtherAssetsCurrent |
| 46 |
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us-gaap: Total current assets
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us-gaap:AssetsCurrent |
| 47 |
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us-gaap: Investments
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us-gaap:LongTermInvestments |
| 48 |
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us-gaap: Properties less accumulated depreciation
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xbrli:monetaryItemType |
instant |
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us-gaap:PropertyPlantAndEquipmentNet |
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us-gaap: Other assets
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xbrli:monetaryItemType |
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us-gaap:OtherAssetsNoncurrent |
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us-gaap: Total assets
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us-gaap:Assets |
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us-gaap: Liabilities and stockholders' equity
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us-gaap:LiabilitiesAndStockholdersEquityAbstract |
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us-gaap: Accounts payable
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us-gaap:AccountsPayableCurrent |
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us-gaap: Income and other taxes
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xbrli:monetaryItemType |
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us-gaap:TaxesPayableCurrent |
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us-gaap: Other current liabilities
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xbrli:monetaryItemType |
instant |
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us-gaap:OtherLiabilitiesCurrent |
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us-gaap: Current maturities of long-term debt
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xbrli:monetaryItemType |
instant |
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us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent |
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us-gaap: Total current liabilities
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xbrli:monetaryItemType |
instant |
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us-gaap:LiabilitiesCurrent |
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us-gaap: Long-term debt
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xbrli:monetaryItemType |
instant |
credit |
us-gaap:LongTermDebtAndCapitalLeaseObligations |
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us-gaap: Other liabilities
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xbrli:monetaryItemType |
instant |
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us-gaap:OtherLiabilitiesNoncurrent |
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us-gaap: Deferred income taxes
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xbrli:monetaryItemType |
instant |
credit |
us-gaap:DeferredTaxLiabilitiesNoncurrent |
| 60 |
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us-gaap: Total liabilities
|
xbrli:monetaryItemType |
instant |
credit |
us-gaap:Liabilities |
| 61 |
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us-gaap: Common stock $1.00 per share par value, 1,350,000,000 shares authorized; outstanding 367,893,915 and 366,233,106 shares, respectively,
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|
xbrli:monetaryItemType |
instant |
credit |
us-gaap:CommonStockValueOutstanding |
| 62 |
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us-gaap: Additional paid-in capital
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xbrli:monetaryItemType |
instant |
credit |
us-gaap:AdditionalPaidInCapital |
| 63 |
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us-gaap: Accumulated other comprehensive loss
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xbrli:monetaryItemType |
instant |
credit |
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax |
| 64 |
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us-gaap: Retained income
|
xbrli:monetaryItemType |
instant |
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us-gaap:RetainedEarningsAccumulatedDeficit |
| 65 |
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us-gaap: Total stockholders' equity
|
xbrli:monetaryItemType |
instant |
credit |
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
| 66 |
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us-gaap: Total liabilities and stockholders' equity
|
xbrli:monetaryItemType |
instant |
credit |
us-gaap:LiabilitiesAndStockholdersEquity |
| * |
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Network: (104070 - Statement - Consolidated Balance Sheets (Parenthetical) (Unaudited)) |
| 67 |
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nsc: Consolidated Balance Sheets (Parenthetical) [Abstract]
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nsc:ConsolidatedBalanceSheetsParentheticalAbstract |
| 68 |
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us-gaap: Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
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us-gaap:CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract |
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us-gaap: Common Stock, Par or Stated Value Per Share
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us-types:perShareItemType |
instant |
|
us-gaap:CommonStockParOrStatedValuePerShare |
| 70 |
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us-gaap: Common Stock, Shares Authorized
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xbrli:sharesItemType |
instant |
|
us-gaap:CommonStockSharesAuthorized |
| 71 |
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us-gaap: Common Stock, Shares, Outstanding, net of treasury shares
|
xbrli:sharesItemType |
instant |
|
us-gaap:CommonStockSharesOutstanding |
| * |
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Network: (104080 - Statement - Consolidated Statements of Cash Flows (Unaudited)) |
| 72 |
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us-gaap: Statement of Cash Flows [Abstract]
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xbrli:stringItemType |
duration |
|
us-gaap:StatementOfCashFlowsAbstract |
| 73 |
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us-gaap: Statement [Table]
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us-gaap:StatementTable |
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us-gaap: Statement [Line Items]
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xbrli:stringItemType |
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us-gaap:StatementLineItems |
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us-gaap: Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]
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us-gaap:CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract |
| 76 |
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us-gaap: Net Cash Provided by (Used in) Operating Activities [Abstract]
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us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract |
| 77 |
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us-gaap: Cash flows from operating activities
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us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract |
| 78 |
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us-gaap: Net income
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duration |
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us-gaap:ProfitLoss |
| 79 |
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us-gaap: Reconciliation of net income to net cash provided by operating activities:
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duration |
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us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract |
| 80 |
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xbrli:monetaryItemType |
duration |
debit |
us-gaap:Depreciation |
| 81 |
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us-gaap: Deferred income taxes
|
xbrli:monetaryItemType |
duration |
debit |
us-gaap:DeferredIncomeTaxExpenseBenefit |
| 82 |
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us-gaap: Gains and losses on properties
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duration |
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us-gaap:GainLossOnSaleOfProperties |
| 83 |
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us-gaap:IncreaseDecreaseInOperatingCapitalAbstract |
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us-gaap:IncreaseDecreaseInOperatingAssetsAbstract |
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us-gaap:IncreaseDecreaseInReceivablesAbstract |
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us-gaap: Accounts receivable
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xbrli:monetaryItemType |
duration |
credit |
us-gaap:IncreaseDecreaseInAccountsReceivable |
| 87 |
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nsc: Materials and supplies
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xbrli:monetaryItemType |
duration |
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nsc:IncreaseDecreaseInMaterialsAndSupplies |
| 88 |
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duration |
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us-gaap:IncreaseDecreaseInOtherOperatingAssets |
| 89 |
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duration |
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us-gaap:IncreaseDecreaseInOtherOperatingLiabilities |
| 90 |
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nsc: Other, net
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xbrli:monetaryItemType |
duration |
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nsc:OtherNet |
| 91 |
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us-gaap: Net cash provided by operating activities
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duration |
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us-gaap:NetCashProvidedByUsedInOperatingActivities |
| 92 |
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us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract |
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us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract |
| 94 |
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duration |
credit |
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment |
| 95 |
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us-gaap: Property sales and other transactions
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duration |
debit |
us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment |
| 96 |
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us-gaap: Investments, including short-term
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xbrli:monetaryItemType |
duration |
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us-gaap:PaymentsToAcquireInvestments |
| 97 |
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us-gaap: Investment sales and other transactions
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xbrli:monetaryItemType |
duration |
credit |
us-gaap:PaymentsForProceedsFromOtherInvestingActivities |
| 98 |
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us-gaap: Net cash used in investing activities
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duration |
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us-gaap:NetCashProvidedByUsedInInvestingActivities |
| 99 |
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us-gaap: Net Cash Provided by (Used in) Financing Activities [Abstract]
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us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract |
| 100 |
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us-gaap: Cash flows from financing activities
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us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract |
| 101 |
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us-gaap: Dividends
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xbrli:monetaryItemType |
duration |
credit |
us-gaap:PaymentsOfDividends |
| 102 |
|
us-gaap: Common stock issued, net
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xbrli:monetaryItemType |
duration |
debit |
us-gaap:ProceedsFromStockOptionsExercised |
| 103 |
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us-gaap: Purchase and retirement of common stock
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xbrli:monetaryItemType |
duration |
credit |
us-gaap:PaymentsForRepurchaseOfEquity |
| 104 |
|
us-gaap: Proceeds from borrowings, net
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xbrli:monetaryItemType |
duration |
debit |
us-gaap:ProceedsFromIssuanceOfLongTermDebt |
| 105 |
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us-gaap: Debt repayments
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xbrli:monetaryItemType |
duration |
credit |
us-gaap:RepaymentsOfLongTermDebt |
| 106 |
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us-gaap: Net cash used in financing activities
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duration |
debit |
us-gaap:NetCashProvidedByUsedInFinancingActivities |
| 107 |
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us-gaap: Net increase in cash and cash equivalents
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xbrli:monetaryItemType |
duration |
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us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease |
| 108 |
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us-gaap: Cash and cash equivalents
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duration |
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us-gaap:EffectOfExchangeRateOnCashAndCashEquivalentsAbstract |
| 109 |
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us-gaap: At beginning of year
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instant |
debit |
us-gaap:CashAndCashEquivalentsAtCarryingValue |
| 110 |
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us-gaap: At end of period
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xbrli:monetaryItemType |
instant |
debit |
us-gaap:CashAndCashEquivalentsAtCarryingValue |
| 111 |
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nsc: Supplemental disclosure of cash flow information
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nsc:SupplementalDisclosureOfCashFlowInformation |
| 112 |
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us-gaap: Interest (net of amounts capitalized)
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duration |
credit |
us-gaap:InterestPaidNet |
| 113 |
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us-gaap: Income taxes (net of refunds)
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duration |
credit |
us-gaap:IncomeTaxesPaidNet |
| * |
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Network: (199100 - Disclosure - Stock-based Compensation (Unaudited)) |
| 114 |
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nsc: Stock-based Compensation (Unaudited) [Abstract]
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duration |
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nsc:StockBasedCompensationUnauditedAbstract |
| 115 |
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us-gaap: Stock-based Compensation
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us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock |
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Network: (199200 - Disclosure - Income Taxes (Unaudited)) |
| 116 |
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nsc: Income Taxes (Unaudited) [Abstract]
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nsc:IncomeTaxesUnauditedAbstract |
| 117 |
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us-gaap: Income Taxes
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us-types:textBlockItemType |
duration |
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us-gaap:IncomeTaxDisclosureTextBlock |
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Network: (199300 - Disclosure - Earnings Per Share (Unaudited)) |
| 118 |
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nsc: Earnings Per Share (Unaudited) [Abstract]
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duration |
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nsc:EarningsPerShareUnauditedAbstract |
| 119 |
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us-gaap: Earnings Per Share
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duration |
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us-gaap:EarningsPerShareTextBlock |
| * |
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Network: (199400 - Disclosure - Stockholders' Equity (Unaudited)) |
| 120 |
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nsc: Stockholders' Equity (Unaudited) [Abstract]
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nsc:StockholdersEquityUnauditedAbstract |
| 121 |
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us-gaap: Stockholders' Equity
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duration |
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us-gaap:ScheduleOfTreasuryStockByClassTextBlock |
| * |
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Network: (199500 - Disclosure - Stock Repurchase Program (Unaudited)) |
| 122 |
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nsc: Stock Repurchase Program (Unaudited) [Abstract]
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nsc:StockRepurchaseProgramUnauditedAbstract |
| 123 |
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us-gaap: Stock Repurchase Program
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duration |
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us-gaap:ScheduleOfStockByClassTextBlock |
| * |
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Network: (199600 - Disclosure - Investments (Unaudited)) |
| 124 |
|
nsc: Investments [Abstract]
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xbrli:stringItemType |
duration |
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nsc:InvestmentsAbstractDis |
| 125 |
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us-gaap: Investments
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duration |
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us-gaap:InvestmentHoldingsTextBlock |
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Network: (199700 - Disclosure - Long-term Debt (Unaudited)) |
| 126 |
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nsc: Long-term Debt (Unaudited) [Abstract]
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xbrli:stringItemType |
duration |
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nsc:LongTermDebtUnauditedAbstract |
| 127 |
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us-gaap: Long-term Debt
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duration |
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us-gaap:LongTermDebtTextBlock |
| * |
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Network: (199800 - Disclosure - Pension and Other Postretirement Benefits (Unaudited)) |
| 128 |
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nsc: Pension and Other Postretirement Benefits (Unaudited) [Abstract]
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xbrli:stringItemType |
duration |
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nsc:PensionAndOtherPostretirementBenefitsUnauditedAbstract |
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us-gaap: Pension and Other Postretirement Benefits
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us-types:textBlockItemType |
duration |
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us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock |
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Network: (199900 - Disclosure - Comprehensive Income (Unaudited)) |
| 130 |
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nsc: Comprehensive Income (Unaudited) [Abstract]
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nsc:ComprehensiveIncomeUnauditedAbstract |
| 131 |
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us-gaap: Comprehensive Income
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us-gaap:ComprehensiveIncomeNoteTextBlock |
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