$NSC
NORFOLK SOUTHERN CORP Stock $nsc

$nsc Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-K Financial Statement

#000070216518000011 Filed on February 05, 2018

Income Statement

Concept	2017 Q4	2017 Q3	2017 Q2
Revenue	$2.669B	$2.670B	$2.637B
YoY Change	7.19%	5.78%	7.46%
Cost Of Revenue	$1.438B	$1.442B	$1.427B
YoY Change	-1.3%	5.1%	5.55%
Gross Profit	$1.231B	$1.228B	$1.210B
YoY Change	19.17%	6.6%	9.8%
Gross Profit Margin	46.12%	45.99%	45.89%
Selling, General & Admin		$68.00M	$74.00M
YoY Change		-8.11%	-1.33%
% of Gross Profit		5.54%	6.12%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$268.0M	$265.0M	$264.0M
YoY Change	3.08%	2.32%	2.33%
% of Gross Profit	21.77%	21.58%	21.82%
Operating Expenses	$233.0M	$1.775B	$1.765B
YoY Change	-30.86%	4.17%	4.81%
Operating Profit	$998.0M	$895.0M	$872.0M
YoY Change	31.14%	9.15%	13.25%
Interest Expense	-$134.0M	$134.0M	$140.0M
YoY Change	-5.63%	-6.94%	1.45%
% of Operating Profit	-13.43%	14.97%	16.06%
Other Income/Expense, Net	$29.00M	$39.00M	$48.00M
YoY Change	-66.67%	34.48%	1100.0%
Pretax Income	$893.0M	$800.0M	$780.0M
YoY Change	39.31%	13.48%	22.64%
Income Tax	$256.0M	$294.0M	$283.0M
% Of Pretax Income	28.67%	36.75%	36.28%
Net Earnings	$3.968B	$506.0M	$497.0M
YoY Change	853.85%	10.0%	22.72%
Net Earnings / Revenue	148.67%	18.95%	18.85%
Basic Earnings Per Share	$13.91	$1.76	$1.72
Diluted Earnings Per Share	$13.79	$1.75	$1.71
COMMON SHARES
Basic Shares Outstanding		287.1M shares	289.0M shares
Diluted Shares Outstanding		289.5M shares	291.2M shares

Balance Sheet

Concept	2017 Q4	2017 Q3	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$690.0M	$724.0M	$642.0M
YoY Change	-27.82%	-26.42%	-25.87%
Cash & Equivalents	$690.0M	$724.0M	$642.0M
Short-Term Investments
Other Short-Term Assets	$282.0M	$57.00M	$79.00M
YoY Change	112.03%	-20.83%	-3.66%
Inventory	$222.0M	$245.0M	$289.0M
Prepaid Expenses
Receivables	$955.0M	$973.0M	$926.0M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$2.149B	$1.999B	$1.936B
YoY Change	-6.2%	-13.72%	-13.53%
LONG-TERM ASSETS
Property, Plant & Equipment	$30.33B	$30.16B	$30.03B
YoY Change	1.95%	2.36%	2.2%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$2.425B	$2.888B	$2.848B
YoY Change	11.44%	3.92%	7.92%
Other Assets	$251.0M	$103.0M	$105.0M
YoY Change	243.84%	49.28%	52.17%
Total Long-Term Assets	$33.56B	$33.15B	$32.99B
YoY Change	2.95%	2.6%	2.78%
TOTAL ASSETS
Total Short-Term Assets	$2.149B	$1.999B	$1.936B
Total Long-Term Assets	$33.56B	$33.15B	$32.99B
Total Assets	$35.71B	$35.15B	$34.92B
YoY Change	2.35%	1.5%	1.71%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.401B	$1.287B	$1.223B
YoY Change	15.31%	13.79%	12.72%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$100.0M	$0.00	$0.00
YoY Change	0.0%
Long-Term Debt Due	$600.0M	$600.0M	$600.0M
YoY Change	9.09%	9.09%	9.09%
Total Short-Term Liabilities	$2.545B	$2.413B	$2.343B
YoY Change	8.81%	8.11%	11.2%
LONG-TERM LIABILITIES
Long-Term Debt	$9.136B	$9.280B	$9.273B
YoY Change	-4.46%	-2.88%	-2.89%
Other Long-Term Liabilities	$1.347B	$1.366B	$1.385B
YoY Change	-6.59%	3.33%	1.99%
Total Long-Term Liabilities	$1.347B	$1.366B	$1.385B
YoY Change	-6.59%	3.33%	1.99%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.545B	$2.413B	$2.343B
Total Long-Term Liabilities	$1.347B	$1.366B	$1.385B
Total Liabilities	$19.35B	$22.43B	$22.26B
YoY Change	-13.93%	0.85%	0.9%
SHAREHOLDERS EQUITY
Retained Earnings	$14.18B	$10.67B	$10.62B
YoY Change	35.98%	2.87%	3.46%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$19.00M
YoY Change	0.0%
Treasury Stock Shares	20.32M shares
Shareholders Equity	$16.36B	$12.73B	$12.66B
YoY Change
Total Liabilities & Shareholders Equity	$35.71B	$35.15B	$34.92B
YoY Change	2.35%	1.5%	1.71%

Cashflow Statement

Concept	2017 Q4	2017 Q3	2017 Q2
OPERATING ACTIVITIES
Net Income	$3.968B	$506.0M	$497.0M
YoY Change	853.85%	10.0%	22.72%
Depreciation, Depletion And Amortization	$268.0M	$265.0M	$264.0M
YoY Change	3.08%	2.32%	2.33%
Cash From Operating Activities	$788.0M	$889.0M	$730.0M
YoY Change	9.14%	1.02%	32.01%
INVESTING ACTIVITIES
Capital Expenditures	-$408.0M	-$432.0M	-$445.0M
YoY Change	-30.02%	16.13%	-16.67%
Acquisitions
YoY Change
Other Investing Activities	$101.0M	$82.00M	$25.00M
YoY Change	24.69%	-278.26%	-16.67%
Cash From Investing Activities	-$307.0M	-$350.0M	-$420.0M
YoY Change	-38.84%	-16.27%	-16.67%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-515.0M	-457.0M	-623.0M
YoY Change	107.66%	32.85%	-373.25%
NET CHANGE
Cash From Operating Activities	788.0M	889.0M	730.0M
Cash From Investing Activities	-307.0M	-350.0M	-420.0M
Cash From Financing Activities	-515.0M	-457.0M	-623.0M
Net Change In Cash	-34.00M	82.00M	-313.0M
YoY Change	21.43%	-30.51%	-213.0%
FREE CASH FLOW
Cash From Operating Activities	$788.0M	$889.0M	$730.0M
Capital Expenditures	-$408.0M	-$432.0M	-$445.0M
Free Cash Flow	$1.196B	$1.321B	$1.175B
YoY Change	-8.35%	5.51%	8.1%

Facts In Submission

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CY2017	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
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CY2017	dei	Document Type DocumentType	10-K
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CY2017	dei	Entity Registrant Name EntityRegistrantName	NORFOLK SOUTHERN CORP
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CY2017Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	113000000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	292000000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	206000000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-2924000000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	320000000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	227000000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2859000000	USD
CY2016Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	9729000000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	6646000000	USD
CY2016Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	9140000000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	6324000000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	28000000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	21000000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	65000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	628000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	366000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	589000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	322000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	62000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	67000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	464000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	235000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	102000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	64000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	39000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	44000000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	9140000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	6324000000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	428000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	434000000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	9301000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	6212000000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	2200000000	USD
CY2017	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	9000000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	2300000000	USD
CY2016	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	21000000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	23000000	USD
CY2015	us-gaap	Depreciation Depreciation	1059000000	USD
CY2016	us-gaap	Depreciation Depreciation	1030000000	USD
CY2017	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	1000000	USD
CY2017	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	10000000	USD
CY2017	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	1000000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	252000000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	267000000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	286000000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	313000000	USD
CY2015	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	21000000	USD
CY2017	us-gaap	Depreciation Depreciation	1059000000	USD
CY2015	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	713000000	USD
CY2016	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	695000000	USD
CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	703000000	USD
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.13
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.30
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.56
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.43
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.66
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.49
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.72
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.76
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	13.91
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	18.76
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.10
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.29
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.36
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.55
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.42
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.62
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.48
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.71
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.75
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	13.79
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	18.61
CY2015	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.363
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.354
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.728
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.000
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.007
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.028
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.012
CY2015	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	13000000	USD
CY2016Q4	us-gaap	Equity Method Investments EquityMethodInvestments	2176000000	USD
CY2017Q4	us-gaap	Equity Method Investments EquityMethodInvestments	2425000000	USD
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.017
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.017
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.017
CY2015	us-gaap	Fuel Costs FuelCosts	934000000	USD
CY2016	us-gaap	Fuel Costs FuelCosts	698000000	USD
CY2015	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.030
CY2016	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.028
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	31000000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	54000000	USD
CY2015	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	7000000	USD
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	13000000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	35000000	USD
CY2017	us-gaap	Fuel Costs FuelCosts	840000000	USD
CY2015	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	55000000	USD
CY2016	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	9000000	USD
CY2017	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	13000000	USD
CY2015	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	30000000	USD
CY2016	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	46000000	USD
CY2017	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	92000000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2442000000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2582000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3128000000	USD
CY2017Q4	us-gaap	Income Tax Examination Liability Refund Adjustment From Settlement With Taxing Authority IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority	-46000000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	886000000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	914000000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-2276000000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	855000000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	904000000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1095000000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	0	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-17000000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-39000000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-41000000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-43000000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-51000000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	72000000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	70000000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	88000000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	386000000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	593000000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	705000000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-109000000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-23000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	41000000	USD
CY2015	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	35000000	USD
CY2016	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	-42000000	USD
CY2017	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	-35000000	USD
CY2015	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-192000000	USD
CY2016	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-82000000	USD
CY2017	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	71000000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-152000000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	158000000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	135000000	USD
CY2015	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	21000000	USD
CY2016	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	20000000	USD
CY2017	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	20000000	USD
CY2015	us-gaap	Interest Costs Incurred InterestCostsIncurred	566000000	USD
CY2016	us-gaap	Interest Costs Incurred InterestCostsIncurred	583000000	USD
CY2017	us-gaap	Interest Costs Incurred InterestCostsIncurred	570000000	USD
CY2015	us-gaap	Interest Expense InterestExpense	545000000	USD
CY2016	us-gaap	Interest Expense InterestExpense	563000000	USD
CY2017	us-gaap	Interest Expense InterestExpense	550000000	USD
CY2015	us-gaap	Interest Expense Other InterestExpenseOther	4000000	USD
CY2016	us-gaap	Interest Expense Other InterestExpenseOther	6000000	USD
CY2017	us-gaap	Interest Expense Other InterestExpenseOther	17000000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	518000000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	543000000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	528000000	USD
CY2016Q4	us-gaap	Interest Payable Current InterestPayableCurrent	119000000	USD
CY2017Q4	us-gaap	Interest Payable Current InterestPayableCurrent	115000000	USD
CY2015	us-gaap	Investment Income Interest InvestmentIncomeInterest	8000000	USD
CY2016	us-gaap	Investment Income Interest InvestmentIncomeInterest	10000000	USD
CY2017	us-gaap	Investment Income Interest InvestmentIncomeInterest	13000000	USD
CY2015	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2911000000	USD
CY2016	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2743000000	USD
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2915000000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	195000000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	171000000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	169000000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	22483000000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	19352000000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	34892000000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	35711000000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2339000000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2545000000	USD
CY2015	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	-1000000	USD
CY2016	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	20000000	USD
CY2017	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	33000000	USD
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	10112000000	USD
CY2017Q4	us-gaap	Long Term Debt LongTermDebt	9736000000	USD
CY2016Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	9562000000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	9136000000	USD
CY2016Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	550000000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	600000000	USD
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	7053000000	USD
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	600000000	USD
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	584000000	USD
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	314000000	USD
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	585000000	USD
CY2016Q4	us-gaap	Long Term Investments LongTermInvestments	2777000000	USD
CY2017Q4	us-gaap	Long Term Investments LongTermInvestments	2981000000	USD
CY2017	us-gaap	Long Term Purchase Commitment Amount LongTermPurchaseCommitmentAmount	1100000000	USD
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CY2017Q4	us-gaap	Loss Contingency Accrual Carrying Value Current LossContingencyAccrualCarryingValueCurrent	187000000	USD
CY2016Q4	us-gaap	Loss Contingency Accrual Carrying Value Noncurrent LossContingencyAccrualCarryingValueNoncurrent	178000000	USD
CY2017Q4	us-gaap	Loss Contingency Accrual Carrying Value Noncurrent LossContingencyAccrualCarryingValueNoncurrent	179000000	USD
CY2016Q4	us-gaap	Materials Supplies And Other MaterialsSuppliesAndOther	257000000	USD
CY2017Q4	us-gaap	Materials Supplies And Other MaterialsSuppliesAndOther	222000000	USD
CY2015	us-gaap	Multiemployer Plan Contributions By Employer MultiemployerPlanContributionsByEmployer	32000000	USD
CY2016	us-gaap	Multiemployer Plan Contributions By Employer MultiemployerPlanContributionsByEmployer	37000000	USD
CY2017	us-gaap	Multiemployer Plan Contributions By Employer MultiemployerPlanContributionsByEmployer	44000000	USD
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CY2016	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-1347000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-2038000000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-2087000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-1832000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-1481000000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	2908000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	3034000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	3253000000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1550000000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1663000000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5400000000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1551000000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1664000000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	5402000000	USD
CY2015	us-gaap	Operating Expenses OperatingExpenses	7627000000	USD
CY2016	us-gaap	Operating Expenses OperatingExpenses	6814000000	USD
CY2017	us-gaap	Operating Expenses OperatingExpenses	6965000000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	2884000000	USD
CY2016Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	723000000	USD
CY2016Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	770000000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	820000000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	761000000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	3074000000	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	773000000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	888000000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	911000000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	1014000000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	3586000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	660000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	69000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	60000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	51000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	55000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	66000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	359000000	USD
CY2015	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	84000000	USD
CY2016	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	73000000	USD
CY2017	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	79000000	USD
CY2015	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	111000000	USD
CY2016	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	98000000	USD
CY2017	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	90000000	USD
CY2016Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	94000000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	101000000	USD
CY2016Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	193000000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	170000000	USD
CY2016Q4	us-gaap	Other Assets Current OtherAssetsCurrent	133000000	USD
CY2017Q4	us-gaap	Other Assets Current OtherAssetsCurrent	282000000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	73000000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	251000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-59000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	112000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-76000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-69000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	174000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-47000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-42000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	131000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	76000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	74000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-155000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-29000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-27000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	43000000	USD
CY2015	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	976000000	USD
CY2016	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	799000000	USD
CY2017	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	741000000	USD
CY2016Q4	us-gaap	Other Investments OtherInvestments	116000000	USD
CY2017Q4	us-gaap	Other Investments OtherInvestments	26000000	USD
CY2016Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	229000000	USD
CY2017Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	233000000	USD
CY2016Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1442000000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1347000000	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	103000000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	71000000	USD
CY2016	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-150000000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	92000000	USD
CY2015	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-111000000	USD
CY2017	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-317000000	USD
CY2015	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	6000000	USD
CY2016	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	5000000	USD
CY2017	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	4000000	USD
CY2015	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	5000000	USD
CY2016	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	4000000	USD
CY2017	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	2000000	USD
CY2015	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-240000000	USD
CY2016	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-48000000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-47000000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1075000000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	803000000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1012000000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	713000000	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	695000000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	703000000	USD
CY2015	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	5000000	USD
CY2016	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	123000000	USD
CY2017	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	7000000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2385000000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1887000000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1723000000	USD
CY2015	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	1185000000	USD
CY2016	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	694000000	USD
CY2017	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	290000000	USD
CY2015	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	63000000	USD
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	130000000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	202000000	USD
CY2015	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	29000000	USD
CY2016	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	74000000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	104000000	USD
CY2015	us-gaap	Professional Fees ProfessionalFees	8000000	USD
CY2016	us-gaap	Professional Fees ProfessionalFees	20000000	USD
CY2017	us-gaap	Professional Fees ProfessionalFees	0	USD
CY2015	us-gaap	Profit Loss ProfitLoss	1556000000	USD
CY2016Q1	us-gaap	Profit Loss ProfitLoss	387000000	USD
CY2016Q2	us-gaap	Profit Loss ProfitLoss	405000000	USD
CY2016Q3	us-gaap	Profit Loss ProfitLoss	460000000	USD
CY2016Q4	us-gaap	Profit Loss ProfitLoss	416000000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	1668000000	USD
CY2017Q1	us-gaap	Profit Loss ProfitLoss	433000000	USD
CY2017Q2	us-gaap	Profit Loss ProfitLoss	497000000	USD
CY2017Q3	us-gaap	Profit Loss ProfitLoss	506000000	USD
CY2017Q4	us-gaap	Profit Loss ProfitLoss	3968000000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	5404000000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	41488000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	42239000000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	29751000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	30330000000	USD
CY2016	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-17000000	USD
CY2017	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-19000000	USD
CY2015	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	80000000	USD
CY2016	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	93000000	USD
CY2017	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	87000000	USD
CY2015	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	102000000	USD
CY2016	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	600000000	USD
CY2017	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	702000000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	10425000000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	14176000000	USD
CY2015	us-gaap	Revenues Revenues	10511000000	USD
CY2016Q1	us-gaap	Revenues Revenues	2420000000	USD
CY2016Q2	us-gaap	Revenues Revenues	2454000000	USD
CY2016Q3	us-gaap	Revenues Revenues	2524000000	USD
CY2016Q4	us-gaap	Revenues Revenues	2490000000	USD
CY2016	us-gaap	Revenues Revenues	9888000000	USD
CY2017Q1	us-gaap	Revenues Revenues	2575000000	USD
CY2017Q2	us-gaap	Revenues Revenues	2637000000	USD
CY2017Q3	us-gaap	Revenues Revenues	2670000000	USD
CY2017Q4	us-gaap	Revenues Revenues	2669000000	USD
CY2017	us-gaap	Revenues Revenues	10551000000	USD
CY2015	us-gaap	Royalty Revenue From Coal RoyaltyRevenueFromCoal	19000000	USD
CY2016	us-gaap	Royalty Revenue From Coal RoyaltyRevenueFromCoal	10000000	USD
CY2017	us-gaap	Royalty Revenue From Coal RoyaltyRevenueFromCoal	19000000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0000
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0000
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0183
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0200
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0251
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.25
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.27
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.26
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	8774768	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2221577	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	74.06
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	27000000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	60000000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	114000000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	15608	shares
CY2017	us-gaap	Taxes Other TaxesOther	11000000	USD
CY2016Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	245000000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	90.05
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	825210	shares
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	996610	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	485560	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	485560	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	261000000	USD
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5554054	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4234067	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	72.57
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	83.17
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	60.28
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	120.25
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	157000000	USD
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y2M12D
CY2017	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2	P4Y9M18D
CY2016Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	100000000	USD
CY2017Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	100000000	USD
CY2015	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	589081	shares
CY2016	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1466721	shares
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1789939	shares
CY2015	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	62000000	USD
CY2016	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	95000000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	130000000	USD
CY2017Q3	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	50000000	shares
CY2017Q4	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	56500000	shares
CY2015	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	11300000	shares
CY2016	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	9200000	shares
CY2017	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	8200000	shares
CY2015	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1100000000	USD
CY2015	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1075000000	USD
CY2016	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	803000000	USD
CY2017	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1012000000	USD
CY2017	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1000000000	USD
CY2014Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	12408000000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	12188000000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	12409000000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	16359000000	USD
CY2015	us-gaap	Stockholders Equity Other StockholdersEquityOther	3000000	USD
CY2016	us-gaap	Stockholders Equity Other StockholdersEquityOther	2000000	USD
CY2016Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Carrying Amount SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount	116000000	USD
CY2017Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Carrying Amount SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount	26000000	USD
CY2016Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Fair Value SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue	141000000	USD
CY2017Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Fair Value SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue	49000000	USD
CY2015	us-gaap	Taxes Other TaxesOther	10000000	USD
CY2016	us-gaap	Taxes Other TaxesOther	11000000	USD
CY2017Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	211000000	USD
CY2016Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	20320777	shares
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	20320777	shares
CY2016Q4	us-gaap	Treasury Stock Value TreasuryStockValue	19000000	USD
CY2017Q4	us-gaap	Treasury Stock Value TreasuryStockValue	19000000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	25000000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	27000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	17000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	11000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	3000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	4000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	1000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	3000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	11000000	USD
CY2016	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	4000000	USD
CY2017	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	5000000	USD
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2500000	shares
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2100000	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2400000	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	304400000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	296000000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	290300000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	301900000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	293900000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	287900000	shares
CY2017	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;"> </font></div><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">The preparation of financial statements in accordance with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  We periodically review our estimates, including those related to the recoverability and useful lives of assets, as well as liabilities for litigation, environmental remediation, casualty claims, income taxes and pension and other postretirement benefits.  Changes in facts and circumstances may result in revised estimates.</font></div></div>

Files In Submission

Name	View Source	Status
0000702165-18-000011-index-headers.html	Edgar Link	pending
0000702165-18-000011-index.html	Edgar Link	pending
0000702165-18-000011.txt	Edgar Link	pending
0000702165-18-000011-xbrl.zip	Edgar Link	pending
a12194201710kstylizedsystemm.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
nsc-20171231.xml	Edgar Link	completed
nsc-20171231.xsd	Edgar Link	pending
nsc-20171231_cal.xml	Edgar Link	unprocessable
nsc-20171231_def.xml	Edgar Link	unprocessable
nsc-20171231_lab.xml	Edgar Link	unprocessable
nsc-20171231_pre.xml	Edgar Link	unprocessable
nsc10-kexhibit10aa.htm	Edgar Link	pending
nsc10-kexhibit10ddd.htm	Edgar Link	pending
nsc10-kexhibit10eee.htm	Edgar Link	pending
nsc10-kexhibit10fff.htm	Edgar Link	pending
nsc10-kexhibit212.htm	Edgar Link	pending
nsc1231201710-knew.htm	Edgar Link	pending
nsc201610-kexhibit122.htm	Edgar Link	pending
nsc201610-kexhibit232.htm	Edgar Link	pending
nsc201610-kexhibit31a2.htm	Edgar Link	pending
nsc201610-kexhibit31b2.htm	Edgar Link	pending
nsc201610-kexhibit322.htm	Edgar Link	pending
nsc201610-kexhibit992.htm	Edgar Link	pending
nslogo2015a03.jpg	Edgar Link	pending
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report.css	Edgar Link	pending
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2017 Q4 Form 10-K Financial Statement

#000070216518000011 Filed on February 05, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NSC NORFOLK SOUTHERN CORP Stock $nsc

2017 Q4 Form 10-K Financial Statement

#000070216518000011 Filed on February 05, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NSC
NORFOLK SOUTHERN CORP Stock $nsc