$DAL
DELTA AIR LINES, INC. Stock $dal

$dal Overview Financials Valuation SEC Filings Company Website

2013 Q4 Form 10-K Financial Statement

#000002790414000003 Filed on February 24, 2014

Income Statement

Concept	2013 Q4	2012 Q4	2012 Q3
Revenue	$9.076B	$8.602B	$9.923B
YoY Change	5.51%	2.42%	1.09%
Cost Of Revenue	$5.014B	$5.103B	$7.479B
YoY Change	-1.74%	9.81%	29.37%
Gross Profit	$4.062B	$3.499B	$2.444B
YoY Change	16.09%	-6.74%	-39.43%
Gross Profit Margin	44.76%	40.68%	24.63%
Selling, General & Admin	$2.421B	$2.268B	$614.0M
YoY Change	6.75%	3.42%	-74.03%
% of Gross Profit	59.6%	64.82%	25.12%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$420.0M	$399.0M	$392.0M
YoY Change	5.26%	4.45%	2.08%
% of Gross Profit	10.34%	11.4%	16.04%
Operating Expenses	$3.201B	$3.026B	$8.615B
YoY Change	5.78%	3.0%	-3.81%
Operating Profit	$701.0M	$352.0M	$1.308B
YoY Change	99.15%	-51.52%	52.09%
Interest Expense	-$206.0M	-$234.0M	$197.0M
YoY Change	-11.97%	-13.33%	-164.17%
% of Operating Profit	-29.39%	-66.48%	15.06%
Other Income/Expense, Net	-$20.00M	$0.00	-$256.0M
YoY Change		-100.0%	-18.21%
Pretax Income	$475.0M	$11.00M	$1.052B
YoY Change	4218.18%	-97.36%	92.32%
Income Tax	-$8.004B	$5.000M	$5.000M
% Of Pretax Income	-1685.05%	45.45%	0.48%
Net Earnings	$8.479B	$7.000M	$1.047B
YoY Change	121028.57%	-98.35%	90.71%
Net Earnings / Revenue	93.42%	0.08%	10.55%
Basic Earnings Per Share	$10.02	$0.01	$1.24
Diluted Earnings Per Share	$9.89	$0.01	$1.23
COMMON SHARES
Basic Shares Outstanding			846.0M shares
Diluted Shares Outstanding			850.0M shares

Balance Sheet

Concept	2013 Q4	2012 Q4	2012 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.803B	$3.374B	$3.233B
YoY Change	12.71%	-6.67%	-0.98%
Cash & Equivalents	$2.844B	$2.416B	$2.274B
Short-Term Investments	$959.0M	$958.0M	$959.0M
Other Short-Term Assets	$3.173B	$2.182B	$2.742B
YoY Change	45.42%	-0.09%	46.79%
Inventory	$1.063B	$1.023B	$403.0M
Prepaid Expenses
Receivables	$1.609B	$1.693B	$1.785B
Other Receivables	$3.000M	$0.00	$0.00
Total Short-Term Assets	$9.651B	$8.272B	$8.163B
YoY Change	16.67%	7.03%	11.38%
LONG-TERM ASSETS
Property, Plant & Equipment	$21.85B	$20.71B	$20.60B
YoY Change	5.51%	2.42%	1.69%
Goodwill	$9.794B	$9.794B	$9.794B
YoY Change	0.0%	0.0%	0.0%
Intangibles	$4.658B	$4.679B	$4.697B
YoY Change	-0.45%	-1.52%	0.0%
Long-Term Investments	$60.00M	$360.0M
YoY Change	-83.33%
Other Assets	$1.303B	$1.092B	$1.099B
YoY Change	19.32%	8.98%	14.48%
Total Long-Term Assets	$42.45B	$36.28B	$36.19B
YoY Change	17.02%	1.42%	1.35%
TOTAL ASSETS
Total Short-Term Assets	$9.651B	$8.272B	$8.163B
Total Long-Term Assets	$42.45B	$36.28B	$36.19B
Total Assets	$52.10B	$44.55B	$44.35B
YoY Change	16.96%	2.42%	3.06%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.300B	$2.293B	$2.325B
YoY Change	0.31%	43.31%	41.68%
Accrued Expenses	$4.176B	$2.808B	$2.476B
YoY Change	48.72%	-3.7%	19.96%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.449B	$1.507B	$1.546B
YoY Change	-3.85%	-17.52%	-20.19%
Total Short-Term Liabilities	$14.15B	$13.27B	$13.22B
YoY Change	6.65%	4.48%	10.09%
LONG-TERM LIABILITIES
Long-Term Debt	$9.396B	$10.60B	$11.11B
YoY Change	-11.35%	-5.64%	-11.52%
Other Long-Term Liabilities	$1.711B	$1.649B	$1.711B
YoY Change	3.76%	16.21%	20.15%
Total Long-Term Liabilities	$26.46B	$33.41B	$31.18B
YoY Change	-20.81%	3.78%	4.61%
TOTAL LIABILITIES
Total Short-Term Liabilities	$14.15B	$13.27B	$13.22B
Total Long-Term Liabilities	$26.46B	$33.41B	$31.18B
Total Liabilities	$40.61B	$46.68B	$44.40B
YoY Change	-13.01%	3.98%	6.18%
SHAREHOLDERS EQUITY
Retained Earnings	$3.049B	-$7.389B	-$7.395B
YoY Change	-141.26%	-12.01%	-16.18%
Common Stock	$13.98B	$14.07B	$14.05B
YoY Change	-0.62%	0.5%	0.44%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$258.0M	$234.0M	$234.0M
YoY Change	10.26%	1.3%	9.35%
Treasury Stock Shares	18.04M shares	16.46M shares	16.43M shares
Shareholders Equity	$11.64B	-$2.131B	-$48.00M
YoY Change
Total Liabilities & Shareholders Equity	$52.25B	$44.55B	$44.35B
YoY Change	17.29%	2.42%	3.06%

Cashflow Statement

Concept	2013 Q4	2012 Q4	2012 Q3
OPERATING ACTIVITIES
Net Income	$8.479B	$7.000M	$1.047B
YoY Change	121028.57%	-98.35%	90.71%
Depreciation, Depletion And Amortization	$420.0M	$399.0M	$392.0M
YoY Change	5.26%	4.45%	2.08%
Cash From Operating Activities	$1.131B	$550.0M	$463.0M
YoY Change	105.64%	-52.5%	-572.45%
INVESTING ACTIVITIES
Capital Expenditures	-$952.0M	-$538.0M	-$426.0M
YoY Change	76.95%	46.2%	82.83%
Acquisitions
YoY Change
Other Investing Activities	$4.000M	$5.000M	-$2.000M
YoY Change	-20.0%	-111.36%	-109.52%
Cash From Investing Activities	-$948.0M	-$533.0M	-$428.0M
YoY Change	77.86%	29.37%	101.89%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-357.0M	125.0M	-300.0M
YoY Change	-385.6%	-131.57%	26.05%
NET CHANGE
Cash From Operating Activities	1.131B	550.0M	463.0M
Cash From Investing Activities	-948.0M	-533.0M	-428.0M
Cash From Financing Activities	-357.0M	125.0M	-300.0M
Net Change In Cash	-174.0M	142.0M	-265.0M
YoY Change	-222.54%	-59.43%	-51.64%
FREE CASH FLOW
Cash From Operating Activities	$1.131B	$550.0M	$463.0M
Capital Expenditures	-$952.0M	-$538.0M	-$426.0M
Free Cash Flow	$2.083B	$1.088B	$889.0M
YoY Change	91.45%	-28.7%	558.52%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	2293000000	USD
CY2013Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	2300000000	USD
CY2013Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	-7792000000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	-6656000000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-307000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-474000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-263000000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	219000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	6292000000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	3271000000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	5349000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	8314000000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5130000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-8577000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6766000000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3578000000	USD
CY2013Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	13982000000	USD
CY2012Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	14069000000	USD
CY2013	us-gaap	Advertising Cost Policy Expensed Advertising Cost AdvertisingCostPolicyExpensedAdvertisingCost	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Advertising Costs</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">We expense advertising costs as other selling expenses in the year incurred. Advertising expense was approximately </font><font style="font-family:inherit;font-size:10pt;">$200 million</font><font style="font-family:inherit;font-size:10pt;"> for the years ended </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">December 31, 2013</font><font style="font-family:inherit;font-size:10pt;">, </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2012</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2011</font><font style="font-family:inherit;font-size:10pt;">, respectively.</font></div></div>
CY2013	us-gaap	Advertising Expense AdvertisingExpense	222000000	USD
CY2012	us-gaap	Advertising Expense AdvertisingExpense	235000000	USD
CY2011	us-gaap	Advertising Expense AdvertisingExpense	214000000	USD
CY2013Q4	us-gaap	Air Traffic Liability Current AirTrafficLiabilityCurrent	4122000000	USD
CY2012Q4	us-gaap	Air Traffic Liability Current AirTrafficLiabilityCurrent	3696000000	USD
CY2013	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	1852000000	USD
CY2012	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	1955000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	54000000	USD
CY2011	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	1765000000	USD
CY2012	us-gaap	Aircraft Rental AircraftRental	272000000	USD
CY2011	us-gaap	Aircraft Rental AircraftRental	298000000	USD
CY2013	us-gaap	Aircraft Rental AircraftRental	209000000	USD
CY2011	us-gaap	Airline Capacity Purchase Arrangements AirlineCapacityPurchaseArrangements	5470000000	USD
CY2012	us-gaap	Airline Capacity Purchase Arrangements AirlineCapacityPurchaseArrangements	5647000000	USD
CY2013	us-gaap	Airline Capacity Purchase Arrangements AirlineCapacityPurchaseArrangements	5669000000	USD
CY2013Q4	us-gaap	Airline Related Inventory Net AirlineRelatedInventoryNet	357000000	USD
CY2012Q4	us-gaap	Airline Related Inventory Net AirlineRelatedInventoryNet	404000000	USD
CY2012Q4	us-gaap	Airline Related Inventory Valuation Reserves AirlineRelatedInventoryValuationReserves	-127000000	USD
CY2013Q4	us-gaap	Airline Related Inventory Valuation Reserves AirlineRelatedInventoryValuationReserves	-118000000	USD
CY2013Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	-23000000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	-36000000	USD
CY2013	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	154000000	USD
CY2012	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	193000000	USD
CY2011	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	193000000	USD
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	70000000	USD
CY2011	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	70000000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	70000000	USD
CY2013	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	8000000	shares
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	17000000	shares
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	18000000	shares
CY2012Q4	us-gaap	Assets Assets	44550000000	USD
CY2013Q4	us-gaap	Assets Assets	52252000000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	8272000000	USD
CY2013Q4	us-gaap	Assets Current AssetsCurrent	9651000000	USD
CY2013	us-gaap	Business Acquisition Date Of Acquisition Agreement1 BusinessAcquisitionDateOfAcquisitionAgreement1	2012-06-22
CY2013	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	30000000	USD
CY2012Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment	180000000	USD
CY2013Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	98000000	USD
CY2013	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	67000000	USD
CY2012	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	28000000	USD
CY2011	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	117000000	USD
CY2013Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	399000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	694000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	165000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	100000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	143000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	158000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	74000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	197000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	497000000	USD
CY2011	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	64000000	USD
CY2013	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	110000000	USD
CY2012	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	76000000	USD
CY2013Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	383000000	USD
CY2012Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	344000000	USD
CY2013	us-gaap	Cargo And Freight Revenue CargoAndFreightRevenue	937000000	USD
CY2012	us-gaap	Cargo And Freight Revenue CargoAndFreightRevenue	990000000	USD
CY2011	us-gaap	Cargo And Freight Revenue CargoAndFreightRevenue	1027000000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2416000000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2844000000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2657000000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2892000000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	2176000000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	2487000000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-241000000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-235000000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	428000000	USD
CY2013	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	157000000	USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
CY2013Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	28000000	shares
CY2013	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.12
CY2012	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2011	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2014Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
CY2013Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
CY2013Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1500000000	shares
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1500000000	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	867866505	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	869484981	shares
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	0	USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	0	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-2334000000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	13987000000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-802000000	USD
CY2013Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	675000000	USD
CY2013Q4	us-gaap	Construction Payable Current And Noncurrent ConstructionPayableCurrentAndNoncurrent	646000000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	91000000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	24000000	USD
CY2012	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-14000000	USD
CY2011	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-2000000	USD
CY2013	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1000000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-3000000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	15000000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-6000000	USD
CY2012Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	12633000000	USD
CY2013Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	11228000000	USD
CY2013Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	11600000000	USD
CY2012Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	13000000000	USD
CY2013Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-383000000	USD
CY2012Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-527000000	USD
CY2013Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	10845000000	USD
CY2012Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	12106000000	USD
CY2010Q4	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	264000000	USD
CY2013Q4	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	506000000	USD
CY2012Q4	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	372000000	USD
CY2011	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2000000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4000000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	7197000000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	17000000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2000000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-7991000000	USD
CY2013Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	7142000000	USD
CY2012Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	6866000000	USD
CY2013	us-gaap	Deferred Revenue Additions DeferredRevenueAdditions	675000000	USD
CY2011	us-gaap	Deferred Revenue Additions DeferredRevenueAdditions	675000000	USD
CY2012	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1565000000	USD
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1658000000	USD
CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-1584000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	6728000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	463000000	USD
CY2012	us-gaap	Deferred Revenue Additions DeferredRevenueAdditions	675000000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-13000000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	794000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	2133000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	1965000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	1736000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	0	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	4992000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	13870000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	5282000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	6024000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	6414000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	698000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	881000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	378000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	402000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	4982000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	6415000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	177000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	10963000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	1704000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	1730000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	0	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	2047000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	639000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	285000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4851000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4799000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	5300000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	8200000000	USD
CY2013	us-gaap	Defined Benefit Plan Amount To Be Amortized From Accumulated Other Comprehensive Income Loss Next Fiscal Year DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear	-111000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0501
CY2012Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0411
CY2013	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.09	Rate
CY2013	us-gaap	Defined Benefit Plan Description Of Direction And Pattern Of Change For Assumed Health Care Cost Trend Rate DefinedBenefitPlanDescriptionOfDirectionAndPatternOfChangeForAssumedHealthCareCostTrendRate	0.05
CY2012Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	9150000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	9880000000	USD
CY2013	us-gaap	Defined Benefit Plan Target Plan Asset Allocations DefinedBenefitPlanTargetPlanAssetAllocations	1.00
CY2013Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1.00
CY2013	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1658000000	USD
CY2011	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1523000000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1565000000	USD
CY2012	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1400000000	USD
CY2011	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1400000000	USD
CY2013	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1500000000	USD
CY2013Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	65000000	USD
CY2012Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	62000000	USD
CY2012Q4	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	306000000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	504000000	USD
CY2012	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	209000000	USD
CY2011	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-135000000	USD
CY2013	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	114000000	USD
CY2011	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	172000000	USD
CY2013	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	135000000	USD
CY2012	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	-15000000	USD
CY2011	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-167000000	USD
CY2012	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	211000000	USD
CY2013	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	161000000	USD
CY2013Q4	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2013-11-26
CY2014Q1	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2014-03-14
CY2013Q3	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2013-09-10
CY2013	us-gaap	Dividends Dividends	102000000	USD
CY2013	us-gaap	Dividends Cash DividendsCash	51000000	USD
CY2014Q1	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2014-02-07
CY2013Q4	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2013-11-06
CY2014Q1	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2014-02-21
CY2013Q3	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2013-08-09
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.02
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	12.41
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.20
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.20
CY2013Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.01
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.24
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.01
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2013Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	10.02
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.61
CY2013Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.81
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.29
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.19
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
CY2013Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.01
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.23
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.01
CY2013Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.59
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.20
CY2013Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	9.89
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.15
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-3.172	Rate
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.347
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.376
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.423
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.015	Rate
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.110	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-3.675	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.408	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.457	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.004	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.037	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.040	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.033	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.034	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.030	Rate
CY2012Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	1680000000	USD
CY2013Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	1926000000	USD
CY2013Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	45000000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	0	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	0	USD
CY2013Q4	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	0.49
CY2013Q4	us-gaap	Equity Method Investments EquityMethodInvestments	60000000	USD
CY2013	us-gaap	Extinguishment Of Debt Amount ExtinguishmentOfDebtAmount	285000000	USD
CY2011	us-gaap	Extinguishment Of Debt Amount ExtinguishmentOfDebtAmount	0	USD
CY2012	us-gaap	Extinguishment Of Debt Amount ExtinguishmentOfDebtAmount	0	USD
CY2013	us-gaap	Fair Value Measurements Significant Assumptions FairValueMeasurementsSignificantAssumptions	Volatilities used in these valuations ranged from 9% to 25% depending on the maturity dates, underlying commodities and strike prices of the option contracts.
CY2012Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	-670000000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	-738000000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	67000000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	8000000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	9000000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	9000000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	67000000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	976000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	976000000	USD
CY2012Q4	us-gaap	Foreign Currency Cash Flow Hedge Derivative At Fair Value Net ForeignCurrencyCashFlowHedgeDerivativeAtFairValueNet	123000000	USD
CY2013Q4	us-gaap	Foreign Currency Cash Flow Hedge Derivative At Fair Value Net ForeignCurrencyCashFlowHedgeDerivativeAtFairValueNet	257000000	USD
CY2013Q4	us-gaap	Frequent Flier Liability Current FrequentFlierLiabilityCurrent	1861000000	USD
CY2012Q4	us-gaap	Frequent Flier Liability Current FrequentFlierLiabilityCurrent	1806000000	USD
CY2013Q4	us-gaap	Frequent Flier Liability Noncurrent FrequentFlierLiabilityNoncurrent	2559000000	USD
CY2012Q4	us-gaap	Frequent Flier Liability Noncurrent FrequentFlierLiabilityNoncurrent	2628000000	USD
CY2012	us-gaap	Fuel Costs FuelCosts	10150000000	USD
CY2011	us-gaap	Fuel Costs FuelCosts	9730000000	USD
CY2013	us-gaap	Fuel Costs FuelCosts	9397000000	USD
CY2013	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2012	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-118000000	USD
CY2011	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-68000000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	9794000000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	9794000000	USD
CY2012Q4	us-gaap	Grants Receivable GrantsReceivable	30000000	USD
CY2011	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	50000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	769000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2527000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1025000000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-85000000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-8013000000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16000000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	213000000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	303000000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	899000000	USD
CY2012	us-gaap	Increase Decrease In Air Traffic Liability1 IncreaseDecreaseInAirTrafficLiability1	216000000	USD
CY2013	us-gaap	Increase Decrease In Air Traffic Liability1 IncreaseDecreaseInAirTrafficLiability1	426000000	USD
CY2011	us-gaap	Increase Decrease In Air Traffic Liability1 IncreaseDecreaseInAirTrafficLiability1	174000000	USD
CY2013	us-gaap	Increase Decrease In Frequent Flyer Liability IncreaseDecreaseInFrequentFlyerLiability	-121000000	USD
CY2012	us-gaap	Increase Decrease In Frequent Flyer Liability IncreaseDecreaseInFrequentFlyerLiability	-115000000	USD
CY2011	us-gaap	Increase Decrease In Frequent Flyer Liability IncreaseDecreaseInFrequentFlyerLiability	82000000	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	451000000	USD
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	87000000	USD
CY2011	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	8000000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	66000000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	373000000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	36000000	USD
CY2012	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	134000000	USD
CY2011	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	8000000	USD
CY2013	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-28000000	USD
CY2011	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	76000000	USD
CY2013	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-90000000	USD
CY2012	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	116000000	USD
CY2012	us-gaap	Increase Decrease In Restricted Cash And Investments For Operating Activities IncreaseDecreaseInRestrictedCashAndInvestmentsForOperatingActivities	51000000	USD
CY2013	us-gaap	Increase Decrease In Restricted Cash And Investments For Operating Activities IncreaseDecreaseInRestrictedCashAndInvestmentsForOperatingActivities	-231000000	USD
CY2011	us-gaap	Increase Decrease In Restricted Cash And Investments For Operating Activities IncreaseDecreaseInRestrictedCashAndInvestmentsForOperatingActivities	-153000000	USD
CY2013	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	9000000	shares
CY2011	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	6000000	shares
CY2012	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	5000000	shares
CY2012Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	4373000000	USD
CY2013Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	4420000000	USD
CY2012Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	4679000000	USD
CY2011	us-gaap	Labor And Related Expense LaborAndRelatedExpense	6894000000	USD
CY2012	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	1336000000	USD
CY2013	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	1410000000	USD
CY2013Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	4658000000	USD
CY2012	us-gaap	Interest Expense InterestExpense	812000000	USD
CY2013	us-gaap	Interest Expense InterestExpense	698000000	USD
CY2013	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-698000000	USD
CY2012	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-812000000	USD
CY2011	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-901000000	USD
CY2012	us-gaap	Interest Paid InterestPaid	834000000	USD
CY2013	us-gaap	Interest Paid InterestPaid	698000000	USD
CY2011	us-gaap	Interest Paid InterestPaid	925000000	USD
CY2012Q4	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	-66000000	USD
CY2013Q4	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	-67000000	USD
CY2012Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	619000000	USD
CY2013Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	706000000	USD
CY2012	us-gaap	Labor And Related Expense LaborAndRelatedExpense	7266000000	USD
CY2013	us-gaap	Labor And Related Expense LaborAndRelatedExpense	7720000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2834000000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	10540000000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	1009000000	USD
CY2011	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	1281000000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	1100000000	USD
CY2011	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	1100000000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	1100000000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	44550000000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	52252000000	USD
CY2013Q4	us-gaap	Liabilities Current LiabilitiesCurrent	14152000000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	13270000000	USD
CY2012Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	33411000000	USD
CY2013Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	26457000000	USD
CY2013Q4	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	1925000000	USD
CY2013Q4	us-gaap	Long Term Debt LongTermDebt	10845000000	USD
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	12106000000	USD
CY2013Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	9795000000	USD
CY2012Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	11082000000	USD
CY2013Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	1547000000	USD
CY2012Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	1627000000	USD
CY2012Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1507000000	USD
CY2013Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1449000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	2827000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1491000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	2159000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	2190000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	1472000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1089000000	USD
CY2013Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	9396000000	USD
CY2012Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	10599000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1571000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-755000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1320000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1498000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2756000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1962000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	4504000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2476000000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	854000000	USD
CY2013Q2	us-gaap	Net Income Loss NetIncomeLoss	685000000	USD
CY2013Q1	us-gaap	Net Income Loss NetIncomeLoss	7000000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	-168000000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	124000000	USD
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	1047000000	USD
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	1369000000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	7000000	USD
CY2013Q4	us-gaap	Net Income Loss NetIncomeLoss	8479000000	USD
CY2013	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	240000000	USD
CY2013	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	270000000	USD
CY2013	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-873000000	USD
CY2012	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1150000000	USD
CY2011	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1206000000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	34495000000	USD
CY2011	us-gaap	Operating Expenses OperatingExpenses	33140000000	USD
CY2013	us-gaap	Operating Expenses OperatingExpenses	34373000000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	3400000000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	1975000000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	2175000000	USD
CY2013Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	222000000	USD
CY2013Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	701000000	USD
CY2013Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	914000000	USD
CY2012Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	1308000000	USD
CY2012Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	382000000	USD
CY2013Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	1563000000	USD
CY2012Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	352000000	USD
CY2012Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	134000000	USD
CY2013Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	15300000000	USD
CY2013	us-gaap	Operating Loss Carryforwards Expiration Date OperatingLossCarryforwardsExpirationDate	2023-01-01
CY2013Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1121000000	USD
CY2012Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1128000000	USD
CY2012Q4	us-gaap	Other Assets OtherAssets	15565000000	USD
CY2013Q4	us-gaap	Other Assets OtherAssets	20747000000	USD
CY2012Q4	us-gaap	Other Assets Fair Value Disclosure OtherAssetsFairValueDisclosure	344000000	USD
CY2013Q4	us-gaap	Other Assets Fair Value Disclosure OtherAssetsFairValueDisclosure	118000000	USD
CY2013Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1303000000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1092000000	USD
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	2741000000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-3062000000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-2171000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	482000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	211000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-167000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3447000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3188000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1811000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2965000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	2022000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	3021000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-15000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-186000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	172000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	41000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	224000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	149000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD
CY2012	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD
CY2013	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	5000000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	296000000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	196000000	USD
CY2012	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1592000000	USD
CY2011	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1628000000	USD
CY2013	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1520000000	USD
CY2011	us-gaap	Other Cost Of Services OtherCostOfServices	721000000	USD
CY2013	us-gaap	Other Cost Of Services OtherCostOfServices	762000000	USD
CY2012	us-gaap	Other Cost Of Services OtherCostOfServices	732000000	USD
CY2012	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	372000000	USD
CY2013	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	506000000	USD
CY2011	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	264000000	USD
CY2013Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1711000000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1649000000	USD
CY2013	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-21000000	USD
CY2012	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-27000000	USD
CY2011	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-44000000	USD
CY2012	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	76000000	USD
CY2011	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	99000000	USD
CY2013	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	185000000	USD
CY2013	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	3894000000	USD
CY2012	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	3926000000	USD
CY2011	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	3831000000	USD
CY2013Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	602000000	USD
CY2012Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	455000000	USD
CY2012	us-gaap	Passenger Revenue PassengerRevenue	31754000000	USD
CY2013	us-gaap	Passenger Revenue PassengerRevenue	32942000000	USD
CY2011	us-gaap	Passenger Revenue PassengerRevenue	30257000000	USD
CY2011	us-gaap	Passenger Revenue Mainline PassengerRevenueMainline	23843000000	USD
CY2013	us-gaap	Passenger Revenue Mainline PassengerRevenueMainline	26534000000	USD
CY2012	us-gaap	Passenger Revenue Mainline PassengerRevenueMainline	25173000000	USD
CY2012	us-gaap	Passenger Revenue Regional PassengerRevenueRegional	6581000000	USD
CY2011	us-gaap	Passenger Revenue Regional PassengerRevenueRegional	6414000000	USD
CY2013	us-gaap	Passenger Revenue Regional PassengerRevenueRegional	6408000000	USD
CY2012	us-gaap	Payments For Flight Equipment PaymentsForFlightEquipment	1196000000	USD
CY2011	us-gaap	Payments For Flight Equipment PaymentsForFlightEquipment	907000000	USD
CY2013	us-gaap	Payments For Flight Equipment PaymentsForFlightEquipment	2117000000	USD
CY2013	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-14000000	USD
CY2011	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	10000000	USD
CY2012	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	55000000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	250000000	USD
CY2012	us-gaap	Payments Of Dividends PaymentsOfDividends	0	USD
CY2011	us-gaap	Payments Of Dividends PaymentsOfDividends	0	USD
CY2013	us-gaap	Payments Of Dividends PaymentsOfDividends	102000000	USD
CY2011	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2013	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	360000000	USD
CY2012	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2011	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	67000000	USD
CY2013	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	959000000	USD
CY2012	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	958000000	USD
CY2011	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	1078000000	USD
CY2012	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	772000000	USD
CY2013	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	451000000	USD
CY2011	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	347000000	USD
CY2012	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1968000000	USD
CY2013	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2568000000	USD
CY2011	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	-308000000	USD
CY2013	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	-624000000	USD
CY2012	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	-208000000	USD
CY2013Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	12392000000	USD
CY2012Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	16005000000	USD
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000000	shares
CY2013Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	1318000000	USD
CY2012Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	1344000000	USD
CY2012Q4	us-gaap	Price Risk Derivatives At Fair Value Net PriceRiskDerivativesAtFairValueNet	249000000	USD
CY2013Q4	us-gaap	Price Risk Derivatives At Fair Value Net PriceRiskDerivativesAtFairValueNet	314000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2395000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	268000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1965000000	USD
CY2013	us-gaap	Proceeds From Other Short Term Debt ProceedsFromOtherShortTermDebt	147000000	USD
CY2012	us-gaap	Proceeds From Other Short Term Debt ProceedsFromOtherShortTermDebt	137000000	USD
CY2011	us-gaap	Proceeds From Other Short Term Debt ProceedsFromOtherShortTermDebt	318000000	USD
CY2012	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	7000000	USD
CY2011	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-112000000	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	78000000	USD
CY2012	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	1019000000	USD
CY2011	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	844000000	USD
CY2013	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	1117000000	USD
CY2011	us-gaap	Proceeds From Sale Of Intangible Assets ProceedsFromSaleOfIntangibleAssets	90000000	USD
CY2011	us-gaap	Professional And Contract Services Expense ProfessionalAndContractServicesExpense	1642000000	USD
CY2012	us-gaap	Professional And Contract Services Expense ProfessionalAndContractServicesExpense	1566000000	USD
CY2013	us-gaap	Professional And Contract Services Expense ProfessionalAndContractServicesExpense	1665000000	USD
CY2013	us-gaap	Property Plant And Equipment Impairment PropertyPlantAndEquipmentImpairment	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">We record impairment losses on flight equipment and other long-lived assets used in operations when events and circumstances indicate the assets may be impaired and the estimated future cash flows generated by those assets are less than their carrying amounts. Factors which could cause impairment include, but are not limited to, (1) a decision to permanently remove flight equipment or other long-lived assets from operations, (2) significant changes in the estimated useful life, (3) significant changes in projected cash flows, (4) permanent and significant declines in fleet fair values and (5) changes to the regulatory environment. For long-lived assets held for sale, we discontinue depreciation and record impairment losses when the carrying amount of these assets is greater than the fair value less the cost to sell.</font><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">To determine whether impairments exist for aircraft used in operations, we group assets at the fleet-type level (the lowest level for which there are identifiable cash flows) and then estimate future cash flows based on projections of capacity, passenger mile yield, fuel costs, labor costs and other relevant factors. If an impairment occurs, the impairment loss recognized is the amount by which the aircraft's carrying amount exceeds its estimated fair value. We estimate aircraft fair values using published sources, appraisals and bids received from third parties, as available.</font><font style="font-family:inherit;font-size:10pt;"> </font></div></div>
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	21854000000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	20713000000	USD
CY2012Q1	us-gaap	Quarterly Financial Information Quarterly Charges And Credits Amount Affecting Comparability QuarterlyFinancialInformationQuarterlyChargesAndCreditsAmountAffectingComparability	163000000	USD
CY2013Q3	us-gaap	Quarterly Financial Information Quarterly Charges And Credits Amount Affecting Comparability QuarterlyFinancialInformationQuarterlyChargesAndCreditsAmountAffectingComparability	157000000	USD
CY2012Q2	us-gaap	Quarterly Financial Information Quarterly Charges And Credits Amount Affecting Comparability QuarterlyFinancialInformationQuarterlyChargesAndCreditsAmountAffectingComparability	-754000000	USD
CY2013Q4	us-gaap	Quarterly Financial Information Quarterly Charges And Credits Amount Affecting Comparability QuarterlyFinancialInformationQuarterlyChargesAndCreditsAmountAffectingComparability	7921000000	USD
CY2013Q2	us-gaap	Quarterly Financial Information Quarterly Charges And Credits Amount Affecting Comparability QuarterlyFinancialInformationQuarterlyChargesAndCreditsAmountAffectingComparability	-159000000	USD
CY2012Q4	us-gaap	Quarterly Financial Information Quarterly Charges And Credits Amount Affecting Comparability QuarterlyFinancialInformationQuarterlyChargesAndCreditsAmountAffectingComparability	-231000000	USD
CY2013Q1	us-gaap	Quarterly Financial Information Quarterly Charges And Credits Amount Affecting Comparability QuarterlyFinancialInformationQuarterlyChargesAndCreditsAmountAffectingComparability	-78000000	USD
CY2012Q3	us-gaap	Quarterly Financial Information Quarterly Charges And Credits Amount Affecting Comparability QuarterlyFinancialInformationQuarterlyChargesAndCreditsAmountAffectingComparability	279000000	USD
CY2013Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	1609000000	USD
CY2012Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	1693000000	USD
CY2011	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	4172000000	USD
CY2012	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	2864000000	USD
CY2013	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	1461000000	USD
CY2013Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	122000000	USD
CY2012Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	375000000	USD
CY2011	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	142000000	USD
CY2013	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	285000000	USD
CY2012	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	184000000	USD
CY2011	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	242000000	USD
CY2013	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	402000000	USD
CY2012	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	452000000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-7389000000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3049000000	USD
CY2013	us-gaap	Revenue Recognition Deferred Revenue RevenueRecognitionDeferredRevenue	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Passenger Ticket Sales Earning Mileage Credits. </font><font style="font-family:inherit;font-size:10pt;color:#000000;font-style:normal;text-decoration:none;">Passenger ticket sales earning mileage credits under our SkyMiles Program provide customers with two deliverables: (1) mileage credits earned and (2) air transportation.</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;font-style:normal;text-decoration:none;">We value each deliverable on a standalone basis. Our estimate of the selling price of a mileage credit is based on an analysis of our sales of mileage credits to other airlines and customers, which is re-evaluated at least annually. We use established ticket prices to determine the estimated selling price of air transportation. We allocate the total amount collected from passenger ticket sales between the deliverables based on their relative selling prices.</font><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">We defer revenue for the mileage credits related to passenger ticket sales and recognize it as passenger revenue when miles are redeemed and services are provided. We record the air transportation portion of the passenger ticket sales in air traffic liability and recognize these amounts in passenger revenue when we provide transportation or when the ticket expires unused.</font><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Sale of Mileage Credits.</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">Customers may earn mileage credits through participating companies such as credit card companies, hotels and car rental agencies with which we have marketing agreements to sell mileage credits. Our contracts to sell mileage credits under these marketing agreements have multiple deliverables, as defined below.</font><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Our most significant contract to sell mileage credits relates to our co-brand credit card relationship with American Express. Our agreements with American Express provide for joint marketing, grant certain benefits to Delta-American Express co-branded credit card holders ("Cardholders") and American Express Membership Rewards Program participants and allow American Express to market using our customer database. Cardholders earn mileage credits for making purchases using co-branded cards, may check their first bag for free, are granted access to Delta SkyClub lounges and receive other benefits while traveling on Delta. These benefits that we provide in the form of separate products and services under the SkyMiles agreements are referred to as "deliverables." Additionally, participants in the American Express Membership Rewards program may exchange their points for mileage credits under the SkyMiles Program. As a result, we sell mileage credits at agreed upon rates to American Express for provision to their customers under the co-brand credit card program and the Membership Rewards program.</font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In September 2013, we and American Express modified our SkyMiles agreements. This modification required that we use a different accounting standard for recording SkyMiles sold. Prior to the modifications, we allocated consideration we received from selling miles to American Express among two primary deliverables: credit redeemable for future travel and marketing deliverables. We deferred revenue related to the portion of mileage credits redeemable for future travel based on the rate at which we sell mileage credits to other airlines. We calculated the value of the marketing component based on the residual method and recognize it as other revenue as related marketing services are provided.</font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#000000;">The September 2013 modifications introduced new deliverables and modified existing deliverables. Because these modifications were material to the SkyMiles agreements, we are required to use a different accounting standard that allocates the consideration received from selling miles to all deliverables based on their relative standalone sales price. Accordingly, we determined our best estimate of selling prices by considering discounted cash flows analysis using multiple inputs and assumptions, including: (1) the expected number of miles awarded and number of miles redeemed, (2) the rate at which we sell mileage credits to other airlines, (3) published rates on our website for baggage fees, access to Delta SkyClub lounges and other benefits while traveling on Delta and (4) brand value. The effect of this change in accounting standard lowered the deferral rate we use to record miles sold under the agreements, which increases revenue we will record in future periods. The revenue impact of the SkyMiles agreement modifications was insignificant for 2013 and is expected to increase 2014 revenue by approximately </font><font style="font-family:inherit;font-size:10pt;color:#000000;">$100 million</font><font style="font-family:inherit;font-size:10pt;color:#000000;">. Additionally, upon application of this accounting standard, we were required to adjust the recorded value of miles currently deferred in our Frequent Flyer Liability that originated through the American Express programs. Accordingly, we adjusted the liability in the September 2013 quarter by less than </font><font style="font-family:inherit;font-size:10pt;color:#000000;">$10 million</font><font style="font-family:inherit;font-size:10pt;">.</font></div><div style="line-height:120%;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Breakage. </font><font style="font-family:inherit;font-size:10pt;color:#000000;font-style:normal;text-decoration:none;">For mileage credits that we estimate are not likely to be redeemed (“breakage”), we recognize the associated value proportionally during the period in which the remaining mileage credits are expected to be redeemed. Management uses statistical models to estimate breakage based on historical redemption patterns. A change in assumptions as to the period over which mileage credits are expected to be redeemed, the actual redemption activity for mileage credits or the estimated fair value of mileage credits expected to be redeemed could have a material impact on our revenue in the year in which the change occurs and in future years.</font><font style="font-family:inherit;font-size:10pt;font-style:italic;"> </font></div></div>
CY2013	us-gaap	Revenue Recognition Loyalty Programs RevenueRecognitionLoyaltyPrograms	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Frequent Flyer Program</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The SkyMiles Program offers incentives to travel on Delta. This program allows customers to earn mileage credits by flying on Delta, regional air carriers with which we have contract carrier agreements </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">and airlines that participate in the SkyMiles Program, as well as through participating companies such as credit card companies, hotels and car rental agencies. We sell mileage credits to non-airline businesses, customers and other airlines. </font><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">The SkyMiles Program includes two types of transactions that are considered revenue arrangements with multiple deliverables. As discussed below, these are (1) passenger ticket sales earning mileage credits and (2) the sale of mileage credits to participating companies with which we have marketing agreements. Mileage credits are a separate unit of accounting as they can be redeemed by customers in future periods for air travel on Delta and participating airlines, membership in our Sky Club and other program awards.</font><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Passenger Ticket Sales Earning Mileage Credits. </font><font style="font-family:inherit;font-size:10pt;color:#000000;font-style:normal;text-decoration:none;">Passenger ticket sales earning mileage credits under our SkyMiles Program provide customers with two deliverables: (1) mileage credits earned and (2) air transportation.</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;font-style:normal;text-decoration:none;">We value each deliverable on a standalone basis. Our estimate of the selling price of a mileage credit is based on an analysis of our sales of mileage credits to other airlines and customers, which is re-evaluated at least annually. We use established ticket prices to determine the estimated selling price of air transportation. We allocate the total amount collected from passenger ticket sales between the deliverables based on their relative selling prices.</font><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">We defer revenue for the mileage credits related to passenger ticket sales and recognize it as passenger revenue when miles are redeemed and services are provided. We record the air transportation portion of the passenger ticket sales in air traffic liability and recognize these amounts in passenger revenue when we provide transportation or when the ticket expires unused.</font><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Sale of Mileage Credits.</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">Customers may earn mileage credits through participating companies such as credit card companies, hotels and car rental agencies with which we have marketing agreements to sell mileage credits. Our contracts to sell mileage credits under these marketing agreements have multiple deliverables, as defined below.</font><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Our most significant contract to sell mileage credits relates to our co-brand credit card relationship with American Express. Our agreements with American Express provide for joint marketing, grant certain benefits to Delta-American Express co-branded credit card holders ("Cardholders") and American Express Membership Rewards Program participants and allow American Express to market using our customer database. Cardholders earn mileage credits for making purchases using co-branded cards, may check their first bag for free, are granted access to Delta SkyClub lounges and receive other benefits while traveling on Delta. These benefits that we provide in the form of separate products and services under the SkyMiles agreements are referred to as "deliverables." Additionally, participants in the American Express Membership Rewards program may exchange their points for mileage credits under the SkyMiles Program. As a result, we sell mileage credits at agreed upon rates to American Express for provision to their customers under the co-brand credit card program and the Membership Rewards program.</font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In September 2013, we and American Express modified our SkyMiles agreements. This modification required that we use a different accounting standard for recording SkyMiles sold. Prior to the modifications, we allocated consideration we received from selling miles to American Express among two primary deliverables: credit redeemable for future travel and marketing deliverables. We deferred revenue related to the portion of mileage credits redeemable for future travel based on the rate at which we sell mileage credits to other airlines. We calculated the value of the marketing component based on the residual method and recognize it as other revenue as related marketing services are provided.</font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#000000;">The September 2013 modifications introduced new deliverables and modified existing deliverables. Because these modifications were material to the SkyMiles agreements, we are required to use a different accounting standard that allocates the consideration received from selling miles to all deliverables based on their relative standalone sales price. Accordingly, we determined our best estimate of selling prices by considering discounted cash flows analysis using multiple inputs and assumptions, including: (1) the expected number of miles awarded and number of miles redeemed, (2) the rate at which we sell mileage credits to other airlines, (3) published rates on our website for baggage fees, access to Delta SkyClub lounges and other benefits while traveling on Delta and (4) brand value. The effect of this change in accounting standard lowered the deferral rate we use to record miles sold under the agreements, which increases revenue we will record in future periods. The revenue impact of the SkyMiles agreement modifications was insignificant for 2013 and is expected to increase 2014 revenue by approximately </font><font style="font-family:inherit;font-size:10pt;color:#000000;">$100 million</font><font style="font-family:inherit;font-size:10pt;color:#000000;">. Additionally, upon application of this accounting standard, we were required to adjust the recorded value of miles currently deferred in our Frequent Flyer Liability that originated through the American Express programs. Accordingly, we adjusted the liability in the September 2013 quarter by less than </font><font style="font-family:inherit;font-size:10pt;color:#000000;">$10 million</font><font style="font-family:inherit;font-size:10pt;">.</font></div><div style="line-height:120%;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Breakage. </font><font style="font-family:inherit;font-size:10pt;color:#000000;font-style:normal;text-decoration:none;">For mileage credits that we estimate are not likely to be redeemed (“breakage”), we recognize the associated value proportionally during the period in which the remaining mileage credits are expected to be redeemed. Management uses statistical models to estimate breakage based on historical redemption patterns. A change in assumptions as to the period over which mileage credits are expected to be redeemed, the actual redemption activity for mileage credits or the estimated fair value of mileage credits expected to be redeemed could have a material impact on our revenue in the year in which the change occurs and in future years.</font><font style="font-family:inherit;font-size:10pt;font-style:italic;"></font></div></div>
CY2013	us-gaap	Revenue Recognition Sales Of Services RevenueRecognitionSalesOfServices	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Passenger Tickets</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">We record sales of passenger tickets in air traffic liability. Passenger revenue is recognized when we provide transportation or when the ticket expires unused, reducing the related air traffic liability. We periodically evaluate the estimated air traffic liability and record any adjustments in our Consolidated Statements of Operations. These adjustments relate primarily to refunds, exchanges, transactions with other airlines and other items for which final settlement occurs in periods subsequent to the sale of the related tickets at amounts other than the original sales price.</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></div>
CY2011	us-gaap	Revenues Revenues	35115000000	USD
CY2012	us-gaap	Revenues Revenues	36670000000	USD
CY2013	us-gaap	Revenues Revenues	37773000000	USD
CY2012Q1	us-gaap	Revenues Revenues	8413000000	USD
CY2013Q4	us-gaap	Revenues Revenues	9076000000	USD
CY2013Q3	us-gaap	Revenues Revenues	10490000000	USD
CY2012Q4	us-gaap	Revenues Revenues	8602000000	USD
CY2012Q2	us-gaap	Revenues Revenues	9732000000	USD
CY2012Q3	us-gaap	Revenues Revenues	9923000000	USD
CY2013Q2	us-gaap	Revenues Revenues	9707000000	USD
CY2013Q1	us-gaap	Revenues Revenues	8500000000	USD
CY2012Q4	us-gaap	Secured Debt SecuredDebt	11839000000	USD
CY2013Q4	us-gaap	Secured Debt SecuredDebt	11074000000	USD
CY2012	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	1590000000	USD
CY2011	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	1682000000	USD
CY2013	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	1603000000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	72000000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	90000000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	54000000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	7000000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	157000000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	7000000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	11.80
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8000000	shares
CY2013Q4	us-gaap	Short Term Investments ShortTermInvestments	959000000	USD
CY2012Q4	us-gaap	Short Term Investments ShortTermInvestments	958000000	USD
CY2011	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	40000000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	51000000	USD
CY2013	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	66000000	USD
CY2012	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	16000000	USD
CY2011	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1000000	USD
CY2013	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	73000000	USD
CY2013	us-gaap	Stock Repurchase Program Authorized Amount StockRepurchaseProgramAuthorizedAmount	500000000	USD
CY2013	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	10000000	shares
CY2013	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	250000000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	-2131000000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	11643000000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	-1396000000	USD
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	897000000	USD
CY2012Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	585000000	USD
CY2013Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	673000000	USD
CY2012	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	14.24
CY2013	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	14.31
CY2013Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	18041848	shares
CY2012Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	16464472	shares
CY2013Q4	us-gaap	Treasury Stock Value TreasuryStockValue	258000000	USD
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	234000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	44000000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	37000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	22000000	USD
CY2013Q4	us-gaap	Unsecured Debt UnsecuredDebt	154000000	USD
CY2012Q4	us-gaap	Unsecured Debt UnsecuredDebt	794000000	USD
CY2013	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">We are required to make estimates and assumptions when preparing our Consolidated Financial Statements in accordance with GAAP. These estimates and assumptions affect the amounts reported in our Consolidated Financial Statements and the accompanying notes. Actual results could differ materially from those estimates.</font></div></div>
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	858000000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	850000000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	844000000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	838000000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	849000000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	845000000	shares
CY2011	dal	Accumulated Other Comprehensive Income Loss Changes In Fair Value Netof Tax AccumulatedOtherComprehensiveIncomeLossChangesInFairValueNetofTax	-3057000000	USD
CY2012	dal	Accumulated Other Comprehensive Income Loss Changes In Fair Value Netof Tax AccumulatedOtherComprehensiveIncomeLossChangesInFairValueNetofTax	-1975000000	USD
CY2013	dal	Accumulated Other Comprehensive Income Loss Changes In Fair Value Netof Tax AccumulatedOtherComprehensiveIncomeLossChangesInFairValueNetofTax	3037000000	USD
CY2012	dal	Accumulated Other Comprehensive Income Loss Reclassification To Earnings Netof Tax AccumulatedOtherComprehensiveIncomeLossReclassificationToEarningsNetofTax	164000000	USD
CY2013	dal	Accumulated Other Comprehensive Income Loss Reclassification To Earnings Netof Tax AccumulatedOtherComprehensiveIncomeLossReclassificationToEarningsNetofTax	410000000	USD
CY2011	dal	Accumulated Other Comprehensive Income Loss Reclassification To Earnings Netof Tax AccumulatedOtherComprehensiveIncomeLossReclassificationToEarningsNetofTax	-131000000	USD
CY2013Q4	dal	Accumulated Other Comprehensive Income Valuation Allowance Net Of Tax AccumulatedOtherComprehensiveIncomeValuationAllowanceNetOfTax	13000000	USD
CY2011Q4	dal	Accumulated Other Comprehensive Income Valuation Allowance Net Of Tax AccumulatedOtherComprehensiveIncomeValuationAllowanceNetOfTax	2500000000	USD
CY2012Q4	dal	Accumulated Other Comprehensive Income Valuation Allowance Net Of Tax AccumulatedOtherComprehensiveIncomeValuationAllowanceNetOfTax	3100000000	USD
CY2013	dal	Adjustment Skymiles Used Pursuant To Advance Purchase Agreement AdjustmentSkymilesUsedPursuantToAdvancePurchaseAgreement	333000000	USD
CY2012	dal	Adjustment Skymiles Used Pursuant To Advance Purchase Agreement AdjustmentSkymilesUsedPursuantToAdvancePurchaseAgreement	333000000	USD
CY2011	dal	Adjustment Skymiles Used Pursuant To Advance Purchase Agreement AdjustmentSkymilesUsedPursuantToAdvancePurchaseAgreement	49000000	USD
CY2013Q4	dal	Amount Withheld For Credit Card Processing Agreements AmountWithheldForCreditCardProcessingAgreements	0	USD
CY2012Q4	dal	Amount Withheld For Credit Card Processing Agreements AmountWithheldForCreditCardProcessingAgreements	0	USD
CY2013	dal	Annualizedfiveyearrateofreturnonplanassets Annualizedfiveyearrateofreturnonplanassets	0.12	Rate
CY2013	dal	Annualizedthreeyearrateofreturnonplanassets Annualizedthreeyearrateofreturnonplanassets	0.09	Rate
CY2013Q4	dal	Assumed Health Care Plan Post Age AssumedHealthCarePlanPostAge	65
CY2013Q4	dal	Assumed Health Care Plan Pre Age AssumedHealthCarePlanPreAge	65
CY2013Q4	dal	Capital Stock Shares Authorized CapitalStockSharesAuthorized	2000000000	shares
CY2013Q4	dal	Cash Reserve For Credit Card Processing Agreements CashReserveForCreditCardProcessingAgreements	0	USD
CY2012Q4	dal	Cash Reserve For Credit Card Processing Agreements CashReserveForCreditCardProcessingAgreements	0	USD
CY2013	dal	Contract Carriers Expiration Dates ContractCarriersExpirationDates	2016 to 2022
CY2013Q4	dal	Debt Instrument Amortization Discount Premium Net After Year Five DebtInstrumentAmortizationDiscountPremiumNetAfterYearFive	-58000000	USD
CY2013Q4	dal	Debt Instrument Amortization Discount Premium Net Year Five DebtInstrumentAmortizationDiscountPremiumNetYearFive	-47000000	USD
CY2013Q4	dal	Debt Instrument Amortization Discount Premium Net Year Four DebtInstrumentAmortizationDiscountPremiumNetYearFour	-58000000	USD
CY2013Q4	dal	Debt Instrument Amortization Discount Premium Net Year One DebtInstrumentAmortizationDiscountPremiumNetYearOne	-80000000	USD
CY2013Q4	dal	Debt Instrument Amortization Discount Premium Net Year Three DebtInstrumentAmortizationDiscountPremiumNetYearThree	-67000000	USD
CY2013Q4	dal	Debt Instrument Amortization Discount Premium Net Year Two DebtInstrumentAmortizationDiscountPremiumNetYearTwo	-73000000	USD
CY2013	dal	Deferred Revenue Future Additions In Next Twelve Months DeferredRevenueFutureAdditionsInNextTwelveMonths	675000000	USD
CY2013Q4	dal	Estimated Cost Of Project EstimatedCostOfProject	180000000	USD
CY2011	dal	Income Tax Allocation IncomeTaxAllocation	0	Rate
CY2012	dal	Income Tax Allocation IncomeTaxAllocation	0	Rate
CY2013	dal	Income Tax Allocation IncomeTaxAllocation	0.127	Rate
CY2013	dal	Incometaxexpenserelatedtotaxallocation Incometaxexpenserelatedtotaxallocation	321000000	USD
CY2013	dal	Incometaxexpenseremaininginaccumulatedothercomprehensiveincome Incometaxexpenseremaininginaccumulatedothercomprehensiveincome	1900000000	USD
CY2009	dal	Non Cash Income Tax Expense Recorded In Other Comprehensive Income NonCashIncomeTaxExpenseRecordedInOtherComprehensiveIncome	321000000	USD
CY2011	dal	Number Of Slot Pairs Acquired NumberOfSlotPairsAcquired	132
CY2011	dal	Number Of Slot Pairs Sold NumberOfSlotPairsSold	42
CY2013Q4	dal	Numberof Aircraft Acquired NumberofAircraftAcquired	16
CY2013Q4	dal	Numberof Aircraft Operatedby Pinnacle NumberofAircraftOperatedbyPinnacle	169	USD
CY2013	dal	Ownership Interest Percent Threshold To Consolidate OwnershipInterestPercentThresholdToConsolidate	0.50
CY2013Q4	dal	Percentage Of Employees Represented By Unions Under Collective Bargaining Agreements PercentageOfEmployeesRepresentedByUnionsUnderCollectiveBargainingAgreements	0.18
CY2013Q4	dal	Rate Of Interest On Equity To Be Paid On Exercising Put Right RateOfInterestOnEquityToBePaidOnExercisingPutRight	0.10
CY2012	dal	Redevelopmentprojectfundedbythirdparties Redevelopmentprojectfundedbythirdparties	-214000000	USD
CY2013	dal	Redevelopmentprojectfundedbythirdparties Redevelopmentprojectfundedbythirdparties	-114000000	USD
CY2011	dal	Redevelopmentprojectfundedbythirdparties Redevelopmentprojectfundedbythirdparties	-126000000	USD
CY2012	dal	Required Amount Of Withholding Of Payments For Credit Card Agreements RequiredAmountOfWithholdingOfPaymentsForCreditCardAgreements	0	USD
CY2013	dal	Required Amount Of Withholding Of Payments For Credit Card Agreements RequiredAmountOfWithholdingOfPaymentsForCreditCardAgreements	0	USD
CY2013	dal	Required Cash Reserve For Credit Card Agreements RequiredCashReserveForCreditCardAgreements	0	USD
CY2012	dal	Required Cash Reserve For Credit Card Agreements RequiredCashReserveForCreditCardAgreements	0	USD
CY2013	dal	Returnofcapitaltoshareholders Returnofcapitaltoshareholders	1000000000	USD
CY2013	dal	Sharerepurchaseprogramcompletiondate Sharerepurchaseprogramcompletiondate	2016-06-30
CY2013Q4	dal	Special Project Bonds Face Amount Issued By Others SpecialProjectBondsFaceAmountIssuedByOthers	800000000	USD
CY2013	dal	Term Of Agreement To Sublease Space TermOfAgreementToSubleaseSpace	33
CY2013	dal	Terms Of Aircraft Lease TermsOfAircraftLease	the lease would have (1) a rate equal to the debt payments of Chautauqua or Shuttle America for the debt financing of the aircraft calculated as if 90% of the aircraft was debt financed by Chautauqua or Shuttle America and (2) other specified terms and conditions
CY2013	dal	Unfunded Liability Defined Benefit Plan Interest Rate UnfundedLiabilityDefinedBenefitPlanInterestRate	0.0885	Rate
CY2012	dal	Weighted Average Price Per Treasury Share Withheld For Taxes WeightedAveragePricePerTreasuryShareWithheldForTaxes	10.91
CY2013	dal	Weighted Average Price Per Treasury Share Withheld For Taxes WeightedAveragePricePerTreasuryShareWithheldForTaxes	14.97
CY2011	dal	Weighted Average Price Per Treasury Share Withheld For Taxes WeightedAveragePricePerTreasuryShareWithheldForTaxes	9.63
CY2013	dei	Amendment Flag AmendmentFlag	false
CY2013	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2013	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2013	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013	dei	Document Period End Date DocumentPeriodEndDate	2013-12-31
CY2013	dei	Document Type DocumentType	10-K
CY2013	dei	Entity Central Index Key EntityCentralIndexKey	0000027904
CY2014Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	849378918	shares
CY2013	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2013	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2013Q2	dei	Entity Public Float EntityPublicFloat	16100000000	USD
CY2013	dei	Entity Registrant Name EntityRegistrantName	DELTA AIR LINES INC /DE/
CY2013	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2013	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes

Files In Submission

Name	View Source	Status
0000027904-14-000003-index-headers.html	Edgar Link	pending
0000027904-14-000003-index.html	Edgar Link	pending
0000027904-14-000003.txt	Edgar Link	pending
0000027904-14-000003-xbrl.zip	Edgar Link	pending
dal-20131231.xml	Edgar Link	completed
dal-20131231.xsd	Edgar Link	pending
dal-20131231_cal.xml	Edgar Link	unprocessable
dal-20131231_def.xml	Edgar Link	unprocessable
dal-20131231_lab.xml	Edgar Link	unprocessable
dal-20131231_pre.xml	Edgar Link	unprocessable
dal1231201310k.htm	Edgar Link	pending
dal12312013ex1015.htm	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
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$DAL
DELTA AIR LINES, INC. Stock $dal

2013 Q4 Form 10-K Financial Statement

#000002790414000003 Filed on February 24, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DAL DELTA AIR LINES, INC. Stock $dal

2013 Q4 Form 10-K Financial Statement

#000002790414000003 Filed on February 24, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DAL
DELTA AIR LINES, INC. Stock $dal