$LUV
SOUTHWEST AIRLINES CO Stock $luv

$luv Overview Financials Valuation SEC Filings Company Website

2014 Q4 Form 10-K Financial Statement

#000009238016000175 Filed on February 03, 2016

Income Statement

Concept	2014 Q4	2014 Q3	2014 Q2
Revenue	$4.628B	$4.800B	$5.011B
YoY Change	4.52%	5.61%	7.93%
Cost Of Revenue	$1.498B	$1.746B	$1.795B
YoY Change	-12.19%	-4.69%	-4.16%
Gross Profit	$3.130B	$3.054B	$3.216B
YoY Change	14.99%	12.57%	16.14%
Gross Profit Margin	67.63%	63.63%	64.18%
Selling, General & Admin	$1.634B	$1.611B	$1.642B
YoY Change	7.36%	4.47%	4.12%
% of Gross Profit	52.2%	52.75%	51.06%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$251.0M	$238.0M	$228.0M
YoY Change	12.05%	7.69%	7.55%
% of Gross Profit	8.02%	7.79%	7.09%
Operating Expenses	$2.462B	$4.186B	$4.236B
YoY Change	6.26%	0.75%	0.62%
Operating Profit	$621.0M	$614.0M	$775.0M
YoY Change	60.88%	57.44%	78.98%
Interest Expense	$183.0M	-$89.00M	-$29.00M
YoY Change	-325.93%	-406.9%	-58.57%
% of Operating Profit	29.47%	-14.5%	-3.74%
Other Income/Expense, Net	-$502.0M	-$89.00M	-$29.00M
YoY Change	-1831.03%	-406.9%	-58.57%
Pretax Income	$302.0M	$525.0M	$746.0M
YoY Change	-9.58%	25.3%	105.51%
Income Tax	$111.0M	$196.0M	$281.0M
% Of Pretax Income	36.75%	37.33%	37.67%
Net Earnings	$190.0M	$329.0M	$465.0M
YoY Change	-10.38%	27.03%	107.59%
Net Earnings / Revenue	4.11%	6.85%	9.28%
Basic Earnings Per Share	$0.28	$0.48	$0.67
Diluted Earnings Per Share	$0.28	$0.48	$0.67
COMMON SHARES
Basic Shares Outstanding	678.7M shares	683.0M shares	690.0M shares
Diluted Shares Outstanding		691.0M shares	698.0M shares

Balance Sheet

Concept	2014 Q4	2014 Q3	2014 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.988B	$3.560B	$3.994B
YoY Change	-5.2%	6.97%	17.71%
Cash & Equivalents	$1.282B	$1.832B	$1.882B
Short-Term Investments	$1.706B	$1.728B	$2.112B
Other Short-Term Assets	$232.0M	$528.0M	$441.0M
YoY Change	-44.5%	14.53%	-11.09%
Inventory	$342.0M	$429.0M	$435.0M
Prepaid Expenses
Receivables	$365.0M	$468.0M	$447.0M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$3.927B	$4.985B	$5.317B
YoY Change	-11.87%	4.44%	9.31%
LONG-TERM ASSETS
Property, Plant & Equipment	$14.29B	$13.97B	$13.73B
YoY Change	6.74%	5.77%	4.28%
Goodwill	$970.0M	$970.0M	$970.0M
YoY Change	0.0%	0.0%	0.0%
Intangibles	$363.0M	$366.0M	$369.0M
YoY Change	118.67%
Long-Term Investments		$36.00M	$39.00M
YoY Change		-18.18%	-4.88%
Other Assets	$534.0M	$619.0M	$877.0M
YoY Change	0.75%	48.09%	128.39%
Total Long-Term Assets	$15.80B	$15.55B	$15.57B
YoY Change	6.09%	6.6%	7.27%
TOTAL ASSETS
Total Short-Term Assets	$3.927B	$4.985B	$5.317B
Total Long-Term Assets	$15.80B	$15.55B	$15.57B
Total Assets	$19.72B	$20.54B	$20.89B
YoY Change	1.95%	6.07%	7.79%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.203B	$1.185B	$1.292B
YoY Change	-3.53%	4.5%	4.87%
Accrued Expenses	$1.565B	$1.277B	$1.645B
YoY Change	27.34%	8.96%	36.29%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$258.0M	$607.0M	$605.0M
YoY Change	-58.98%	134.36%	130.04%
Total Short-Term Liabilities	$5.923B	$6.446B	$7.027B
YoY Change	4.35%	16.23%	21.6%
LONG-TERM LIABILITIES
Long-Term Debt	$2.627B	$2.327B	$2.395B
YoY Change	19.9%	-11.05%	-10.33%
Other Long-Term Liabilities	$1.255B	$658.0M	$710.0M
YoY Change	62.78%	-45.08%	-41.37%
Total Long-Term Liabilities	$1.255B	$658.0M	$710.0M
YoY Change	62.78%	-82.75%	-81.71%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.923B	$6.446B	$7.027B
Total Long-Term Liabilities	$1.255B	$658.0M	$710.0M
Total Liabilities	$7.178B	$7.104B	$7.737B
YoY Change	11.34%	-24.1%	-19.92%
SHAREHOLDERS EQUITY
Retained Earnings	$7.416B	$7.266B	$6.979B
YoY Change	15.32%	16.33%	16.03%
Common Stock	$2.123B	$2.088B	$2.071B
YoY Change	4.12%	3.73%	3.09%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$2.026B	$1.833B	$1.645B
YoY Change	79.13%	61.93%	65.33%
Treasury Stock Shares	132.1M shares
Shareholders Equity	$6.775B	$7.429B	$7.516B
YoY Change
Total Liabilities & Shareholders Equity	$19.72B	$20.54B	$20.89B
YoY Change	1.95%	6.07%	7.79%

Cashflow Statement

Concept	2014 Q4	2014 Q3	2014 Q2
OPERATING ACTIVITIES
Net Income	$190.0M	$329.0M	$465.0M
YoY Change	-10.38%	27.03%	107.59%
Depreciation, Depletion And Amortization	$251.0M	$238.0M	$228.0M
YoY Change	12.05%	7.69%	7.55%
Cash From Operating Activities	$204.0M	$240.0M	$1.338B
YoY Change	-29.41%	-43.93%	71.98%
INVESTING ACTIVITIES
Capital Expenditures	-$488.0M	-$433.0M	-$500.0M
YoY Change	7.96%	-261.57%	-359.07%
Acquisitions
YoY Change
Other Investing Activities	$20.00M	$1.000M	$1.000M
YoY Change	-89.9%
Cash From Investing Activities	-$468.0M	-$44.00M	-$857.0M
YoY Change	84.25%	-87.74%	185.67%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$200.0M	$240.0M
YoY Change		33.33%	-4.38%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-286.0M	-$246.0M	-$340.0M
YoY Change	2100.0%	9.33%	3.98%
NET CHANGE
Cash From Operating Activities	204.0M	$240.0M	$1.338B
Cash From Investing Activities	-468.0M	-$44.00M	-$857.0M
Cash From Financing Activities	-286.0M	-$246.0M	-$340.0M
Net Change In Cash	-550.0M	-$50.00M	$141.0M
YoY Change	-2600.0%	-67.95%	-6.62%
FREE CASH FLOW
Cash From Operating Activities	$204.0M	$240.0M	$1.338B
Capital Expenditures	-$488.0M	-$433.0M	-$500.0M
Free Cash Flow	$692.0M	$673.0M	$1.838B
YoY Change	-6.61%	320.63%	214.19%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2015	dei	Amendment Flag AmendmentFlag	false
CY2015	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2015	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2015	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2015
CY2015	dei	Document Period End Date DocumentPeriodEndDate	2015-12-31
CY2015	dei	Document Type DocumentType	10-K
CY2015	dei	Entity Central Index Key EntityCentralIndexKey	0000092380
CY2016Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	638070032	shares
CY2015	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2015	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2015Q2	dei	Entity Public Float EntityPublicFloat	21774060585	USD
CY2015	dei	Entity Registrant Name EntityRegistrantName	SOUTHWEST AIRLINES CO
CY2015	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2015	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2013	luv	Aggregate Cost Of Discount Off Market Value For Shares Available Under Employee Stock Purchase Plan AggregateCostOfDiscountOffMarketValueForSharesAvailableUnderEmployeeStockPurchasePlan	1.34	USD
CY2014	luv	Aggregate Cost Of Discount Off Market Value For Shares Available Under Employee Stock Purchase Plan AggregateCostOfDiscountOffMarketValueForSharesAvailableUnderEmployeeStockPurchasePlan	2.68	USD
CY2015	luv	Aggregate Cost Of Discount Off Market Value For Shares Available Under Employee Stock Purchase Plan AggregateCostOfDiscountOffMarketValueForSharesAvailableUnderEmployeeStockPurchasePlan	4.04	USD
CY2014Q4	luv	Aircraft Maintenance Payable AircraftMaintenancePayable	314000000	USD
CY2015Q4	luv	Aircraft Maintenance Payable AircraftMaintenancePayable	168000000	USD
CY2014Q4	luv	Assets Constructed For Others AssetsConstructedForOthers	621000000	USD
CY2015Q4	luv	Assets Constructed For Others AssetsConstructedForOthers	915000000	USD
CY2013	luv	Assets Constructedfor Others During Period AssetsConstructedforOthersDuringPeriod	105000000	USD
CY2014	luv	Assets Constructedfor Others During Period AssetsConstructedforOthersDuringPeriod	88000000	USD
CY2015	luv	Assets Constructedfor Others During Period AssetsConstructedforOthersDuringPeriod	192000000	USD
CY2015Q4	luv	Cash Collateral Percent Of Fair Value Fuel Derivatives Contracts CashCollateralPercentOfFairValueFuelDerivativesContracts	1
CY2015	luv	Change In Accounting Estimate Financial Effect On Depreciation Expense ChangeInAccountingEstimateFinancialEffectOnDepreciationExpense	89000000	USD
CY2014Q4	luv	Changein Accounting Estimate Financial Effecton Passenger Revenue Spoilage Estimate ChangeinAccountingEstimateFinancialEffectonPassengerRevenueSpoilageEstimate	55000000	USD
CY2014	luv	Changein Accounting Estimate Financial Effecton Passenger Revenue Spoilage Estimate ChangeinAccountingEstimateFinancialEffectonPassengerRevenueSpoilageEstimate	55000000	USD
CY2015Q1	luv	Changein Accounting Estimate Financial Effecton Passenger Revenue Spoilage Estimate ChangeinAccountingEstimateFinancialEffectonPassengerRevenueSpoilageEstimate	43000000	USD
CY2015Q2	luv	Changein Accounting Estimate Financial Effecton Passenger Revenue Spoilage Estimate ChangeinAccountingEstimateFinancialEffectonPassengerRevenueSpoilageEstimate	41000000	USD
CY2015Q3	luv	Changein Accounting Estimate Financial Effecton Passenger Revenue Spoilage Estimate ChangeinAccountingEstimateFinancialEffectonPassengerRevenueSpoilageEstimate	30000000	USD
CY2015	luv	Changein Accounting Estimate Financial Effecton Passenger Revenue Spoilage Estimate ChangeinAccountingEstimateFinancialEffectonPassengerRevenueSpoilageEstimate	115000000	USD
CY2014Q4	luv	Changeinaccountingestimatefinancialeffectonearningspershare Changeinaccountingestimatefinancialeffectonearningspershare	0.04
CY2014	luv	Changeinaccountingestimatefinancialeffectonearningspershare Changeinaccountingestimatefinancialeffectonearningspershare	0.04
CY2015Q1	luv	Changeinaccountingestimatefinancialeffectonearningspershare Changeinaccountingestimatefinancialeffectonearningspershare	0.03
CY2015Q2	luv	Changeinaccountingestimatefinancialeffectonearningspershare Changeinaccountingestimatefinancialeffectonearningspershare	0.03
CY2015Q3	luv	Changeinaccountingestimatefinancialeffectonearningspershare Changeinaccountingestimatefinancialeffectonearningspershare	0.02
CY2015	luv	Changeinaccountingestimatefinancialeffectonearningspershare Changeinaccountingestimatefinancialeffectonearningspershare	0.09
CY2014	luv	Changeinaccountingestimatefinancialeffectonearningspersharediluted Changeinaccountingestimatefinancialeffectonearningspersharediluted	0.04
CY2015	luv	Changeinaccountingestimatefinancialeffectonearningspersharediluted Changeinaccountingestimatefinancialeffectonearningspersharediluted	0.09
CY2014	luv	Changeinaccountingestimatefinancialeffectonnetincomespoilageadjustment Changeinaccountingestimatefinancialeffectonnetincomespoilageadjustment	29000000	USD
CY2015	luv	Changeinaccountingestimatefinancialeffectonnetincomespoilageadjustment Changeinaccountingestimatefinancialeffectonnetincomespoilageadjustment	61000000	USD
CY2014Q4	luv	Construction Obligation Noncurrent ConstructionObligationNoncurrent	554000000	USD
CY2015Q4	luv	Construction Obligation Noncurrent ConstructionObligationNoncurrent	757000000	USD
CY2015Q4	luv	Conversionof737 Ng700to737 Ng800firmorders Conversionof737NG700to737NG800firmorders	25	aircraft
CY2015	luv	Debt Instrument Agreements Not Publicly Held DebtInstrumentAgreementsNotPubliclyHeld	6	Agreements
CY2014Q4	luv	Debtdiscountandissuancecosts Debtdiscountandissuancecosts	-21000000	USD
CY2015Q4	luv	Debtdiscountandissuancecosts Debtdiscountandissuancecosts	-20000000	USD
CY2014Q4	luv	Deferred Tax Assets Capital And Operating Leases DeferredTaxAssetsCapitalAndOperatingLeases	125000000	USD
CY2015Q4	luv	Deferred Tax Assets Capital And Operating Leases DeferredTaxAssetsCapitalAndOperatingLeases	81000000	USD
CY2014Q4	luv	Deferred Tax Assets Construction Obligation DeferredTaxAssetsConstructionObligation	209000000	USD
CY2015Q4	luv	Deferred Tax Assets Construction Obligation DeferredTaxAssetsConstructionObligation	289000000	USD
CY2014Q4	luv	Deferred Tax Assets Tax Deferred Expense Engine Maintenance DeferredTaxAssetsTaxDeferredExpenseEngineMaintenance	83000000	USD
CY2015Q4	luv	Deferred Tax Assets Tax Deferred Expense Engine Maintenance DeferredTaxAssetsTaxDeferredExpenseEngineMaintenance	74000000	USD
CY2015	luv	Defined Contribution Pension Plans Maximum Age Requirement For Paying Medical And Dental Premiums With Accrued Unused Sick Time DefinedContributionPensionPlansMaximumAgeRequirementForPayingMedicalAndDentalPremiumsWithAccruedUnusedSickTime	P65Y
CY2015	luv	Discount Percentage Off Market Value For Shares Available Under Employee Stock Purchase Plan DiscountPercentageOffMarketValueForSharesAvailableUnderEmployeeStockPurchasePlan	0.10
CY2015Q4	luv	Encumbered Aircraft Released EncumberedAircraftReleased	1	aircraft
CY2015Q4	luv	Encumbered Aircraft Remaining EncumberedAircraftRemaining	4	aircraft
CY2014Q4	luv	Fuel Payable FuelPayable	85000000	USD
CY2015Q4	luv	Fuel Payable FuelPayable	48000000	USD
CY2014Q4	luv	Intangible Assets Gross IntangibleAssetsGross	456000000	USD
CY2015Q4	luv	Intangible Assets Gross IntangibleAssetsGross	574000000	USD
CY2015Q4	luv	Letterof Credit Percentof Collateral LetterofCreditPercentofCollateral	1
CY2015Q4	luv	Long Term Purchase Commitment Minimum Quantity Required For737 Mx Aircraft LongTermPurchaseCommitmentMinimumQuantityRequiredFor737MxAircraft	30	aircraft
CY2015Q4	luv	Long Term Purchase Commitment Minimum Quantity Required For737 Ng800 Aircraft LongTermPurchaseCommitmentMinimumQuantityRequiredFor737NG800Aircraft	89	aircraft
CY2015Q4	luv	Long Term Purchase Commitments Additional700 Ac LongTermPurchaseCommitmentsAdditional700AC	35	aircraft
CY2015Q4	luv	Long Term Purchase Commitments Additional737 Ng800 Aircraft Options LongTermPurchaseCommitmentsAdditional737NG800AircraftOptions	33	aircraft
CY2015Q4	luv	Long Term Purchase Commitments Additional Options LongTermPurchaseCommitmentsAdditionalOptions	6	aircraft
CY2015Q4	luv	Long Term Purchase Commitments Additional Pre Owned737 Ng700 LongTermPurchaseCommitmentsAdditionalPreOwned737NG700	2	aircraft
CY2015Q4	luv	Long Term Purchase Commitments Minimum Quantity Requiredfor800 Mx Aircraft LongTermPurchaseCommitmentsMinimumQuantityRequiredfor800MxAircraft	170	aircraft
CY2015Q4	luv	Long Term Purchase Commitments Options737 Mx LongTermPurchaseCommitmentsOptions737Mx	191	aircraft
CY2015Q4	luv	Long Term Purchase Commitments Options737 Ng LongTermPurchaseCommitmentsOptions737NG	18	aircraft
CY2015Q4	luv	Long Term Purchase Commitments Total LongTermPurchaseCommitmentsTotal	533	aircraft
CY2015Q4	luv	Maximum Sum Of Derivatives Of Counterparty To Be Included In Other MaximumSumOfDerivativesOfCounterpartyToBeIncludedInOther	10000000	USD
CY2015Q4	luv	Net Book Value Of Additional Assets Pledged As Collateral In Case Obligations Related To Fuel Derivatives Exceed Certain Thresholds NetBookValueOfAdditionalAssetsPledgedAsCollateralInCaseObligationsRelatedToFuelDerivativesExceedCertainThresholds	2500000000.0	USD
CY2015	luv	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Operating Revenue Netof Special Revenue Adjustment NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingRevenueNetofSpecialRevenueAdjustment	255000000	USD
CY2014Q4	luv	Noncurrent Lease Related Obligations NoncurrentLeaseRelatedObligations	193000000	USD
CY2015Q4	luv	Noncurrent Lease Related Obligations NoncurrentLeaseRelatedObligations	165000000	USD
CY2015Q4	luv	Operating Leases Future Minimum Payments Net OperatingLeasesFutureMinimumPaymentsNet	3819000000	USD
CY2015Q4	luv	Operating Leases Future Minimum Payments Net Current OperatingLeasesFutureMinimumPaymentsNetCurrent	557000000	USD
CY2015Q4	luv	Operating Leases Future Minimum Payments Net In Five Years OperatingLeasesFutureMinimumPaymentsNetInFiveYears	307000000	USD
CY2015Q4	luv	Operating Leases Future Minimum Payments Net In Four Years OperatingLeasesFutureMinimumPaymentsNetInFourYears	407000000	USD
CY2015Q4	luv	Operating Leases Future Minimum Payments Net In Three Years OperatingLeasesFutureMinimumPaymentsNetInThreeYears	474000000	USD
CY2015Q4	luv	Operating Leases Future Minimum Payments Net In Two Years OperatingLeasesFutureMinimumPaymentsNetInTwoYears	545000000	USD
CY2015Q4	luv	Operating Leases Future Minimum Payments Net Thereafter OperatingLeasesFutureMinimumPaymentsNetThereafter	1529000000	USD
CY2015Q4	luv	Percentage Of Employees Subject To Amendable Agreements In Current Year PercentageOfEmployeesSubjectToAmendableAgreementsInCurrentYear	0.69
CY2015	luv	Percentage Of Market Value For Shares Available Under Employee Stock Purchase Plan PercentageOfMarketValueForSharesAvailableUnderEmployeeStockPurchasePlan	0.9
CY2013	luv	Proceeds From Sale Of Short Term And Other Investments ProceedsFromSaleOfShortTermAndOtherInvestments	3198000000	USD
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CY2015	luv	Proceeds From Sale Of Short Term And Other Investments ProceedsFromSaleOfShortTermAndOtherInvestments	2223000000	USD
CY2013	luv	Proceeds From Termination Of Interest Rate Derivatives ProceedsFromTerminationOfInterestRateDerivatives	0	USD
CY2014	luv	Proceeds From Termination Of Interest Rate Derivatives ProceedsFromTerminationOfInterestRateDerivatives	0	USD
CY2015	luv	Proceeds From Termination Of Interest Rate Derivatives ProceedsFromTerminationOfInterestRateDerivatives	12000000	USD
CY2013	luv	Reimbursementforairportconstruction Reimbursementforairportconstruction	0	USD
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CY2015	luv	Reimbursementforairportconstruction Reimbursementforairportconstruction	24000000	USD
CY2013	luv	Repayments Of Construction Obligation RepaymentsOfConstructionObligation	5000000	USD
CY2014	luv	Repayments Of Construction Obligation RepaymentsOfConstructionObligation	11000000	USD
CY2015	luv	Repayments Of Construction Obligation RepaymentsOfConstructionObligation	10000000	USD
CY2015Q4	luv	Stock Available For Issue Number Employee Stock Purchase Plan StockAvailableForIssueNumberEmployeeStockPurchasePlan	10000000	shares
CY2013Q4	luv	Weighted Average Fair Value Of Stock Purchase Right Under Employee Stock Purchase Plan WeightedAverageFairValueOfStockPurchaseRightUnderEmployeeStockPurchasePlan	12.03
CY2014Q4	luv	Weighted Average Fair Value Of Stock Purchase Right Under Employee Stock Purchase Plan WeightedAverageFairValueOfStockPurchaseRightUnderEmployeeStockPurchasePlan	23.17
CY2015Q4	luv	Weighted Average Fair Value Of Stock Purchase Right Under Employee Stock Purchase Plan WeightedAverageFairValueOfStockPurchaseRightUnderEmployeeStockPurchasePlan	36.40
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CY2014Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	123000000	USD
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CY2014Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	81000000	USD
CY2015Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	62000000	USD
CY2014Q4	us-gaap	Accrued Bonuses Current AccruedBonusesCurrent	9000000	USD
CY2015Q4	us-gaap	Accrued Bonuses Current AccruedBonusesCurrent	329000000	USD
CY2014Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	84000000	USD
CY2015Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	86000000	USD
CY2014Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1565000000	USD
CY2015Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	2591000000	USD
CY2014Q4	us-gaap	Accrued Rent Current AccruedRentCurrent	159000000	USD
CY2015Q4	us-gaap	Accrued Rent Current AccruedRentCurrent	74000000	USD
CY2014Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	160000000	USD
CY2015Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	173000000	USD
CY2014Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	292000000	USD
CY2015Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	309000000	USD
CY2014Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	8221000000	USD
CY2015Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	9084000000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-738000000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1051000000	USD
CY2015	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P15Y
CY2014Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1315000000	USD
CY2015Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1374000000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Income Tax Deficiency From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalIncomeTaxDeficiencyFromShareBasedCompensation	-9000000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	23000000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	24000000	USD
CY2013	us-gaap	Advertising Expense AdvertisingExpense	208000000	USD
CY2014	us-gaap	Advertising Expense AdvertisingExpense	207000000	USD
CY2015	us-gaap	Advertising Expense AdvertisingExpense	218000000	USD
CY2013	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	1080000000	USD
CY2014	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	978000000	USD
CY2015	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	1005000000	USD
CY2013	us-gaap	Aircraft Rental AircraftRental	361000000	USD
CY2014	us-gaap	Aircraft Rental AircraftRental	295000000	USD
CY2015	us-gaap	Aircraft Rental AircraftRental	238000000	USD
CY2014Q4	us-gaap	Airline Related Inventory AirlineRelatedInventory	342000000	USD
CY2015Q4	us-gaap	Airline Related Inventory AirlineRelatedInventory	311000000	USD
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	18000000	USD
CY2014	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	21000000	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	29000000	USD
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CY2014	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13000000	USD
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	19000000	USD
CY2014Q4	us-gaap	Assets Assets	19723000000	USD
CY2015Q4	us-gaap	Assets Assets	21312000000	USD
CY2014Q4	us-gaap	Assets Current AssetsCurrent	3927000000	USD
CY2015Q4	us-gaap	Assets Current AssetsCurrent	4024000000	USD
CY2014Q4	us-gaap	Available For Sale Securities Noncurrent AvailableForSaleSecuritiesNoncurrent	35000000	USD
CY2015Q4	us-gaap	Available For Sale Securities Noncurrent AvailableForSaleSecuritiesNoncurrent	40000000	USD
CY2013	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	86000000	USD
CY2014	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	126000000	USD
CY2015	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	39000000	USD
CY2015Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	32000000	USD
CY2013	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	26000000	USD
CY2014	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	153000000	USD
CY2015	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	193000000	USD
CY2015Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	324000000	USD
CY2014Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	214000000	USD
CY2015Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	435000000	USD
CY2014Q4	us-gaap	Capital Leased Assets Number Of Units CapitalLeasedAssetsNumberOfUnits	16	CapitalLeases
CY2015Q4	us-gaap	Capital Leased Assets Number Of Units CapitalLeasedAssetsNumberOfUnits	28	CapitalLeases
CY2014Q4	us-gaap	Capital Leases Balance Sheet Assets By Major Class Net CapitalLeasesBalanceSheetAssetsByMajorClassNet	192000000	USD
CY2015Q4	us-gaap	Capital Leases Balance Sheet Assets By Major Class Net CapitalLeasesBalanceSheetAssetsByMajorClassNet	406000000	USD
CY2015Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	435000000	USD
CY2015Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	46000000	USD
CY2015Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	44000000	USD
CY2015Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	45000000	USD
CY2015Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	45000000	USD
CY2015Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	46000000	USD
CY2015Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	209000000	USD
CY2015Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	79000000	USD
CY2015Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	356000000	USD
CY2014Q4	us-gaap	Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation	22000000	USD
CY2015Q4	us-gaap	Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation	29000000	USD
CY2013	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	90000000	USD
CY2014	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	122000000	USD
CY2015	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	106000000	USD
CY2014Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	403000000	USD
CY2015Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	378000000	USD
CY2013	us-gaap	Cargo And Freight Revenue CargoAndFreightRevenue	164000000	USD
CY2014	us-gaap	Cargo And Freight Revenue CargoAndFreightRevenue	175000000	USD
CY2015	us-gaap	Cargo And Freight Revenue CargoAndFreightRevenue	179000000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1113000000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1355000000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1282000000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1583000000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	242000000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-73000000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	301000000	USD
CY2015Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	60000000	shares
CY2013	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.13
CY2014	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.22
CY2015	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.2850
CY2013	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.1300
CY2014	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.2200
CY2015	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.2850
CY2014Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2015Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	807611634	shares
CY2015Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	807611634	shares
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	808000000	USD
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	808000000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	870000000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	401000000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1868000000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	355000000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	203000000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1292000000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	399000000	USD
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	232000000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1406000000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	44000000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	29000000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	114000000	USD
CY2014Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	2713000000	USD
CY2015Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	3198000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	65000000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	62000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	119000000	USD
CY2014Q4	us-gaap	Deferred Air Traffic Revenue DeferredAirTrafficRevenue	2897000000	USD
CY2015Q4	us-gaap	Deferred Air Traffic Revenue DeferredAirTrafficRevenue	2990000000	USD
CY2014Q4	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	374000000	USD
CY2015Q4	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	655000000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	62000000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	421000000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-97000000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	56000000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	448000000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-108000000	USD
CY2014Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	4328000000	USD
CY2015Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	4491000000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-6000000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	27000000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-11000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	521000000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	750000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Frequent Flier Liability DeferredTaxAssetsFrequentFlierLiability	90000000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Frequent Flier Liability DeferredTaxAssetsFrequentFlierLiability	107000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1546000000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	2001000000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	97000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	334000000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	541000000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	2782000000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	2490000000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	2782000000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	2490000000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	51000000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	62000000	USD
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CY2015Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4429000000	USD
CY2014Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	41000000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	22000000	USD
CY2014Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	53000000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	31000000	USD
CY2014Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	12000000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	9000000	USD
CY2014	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-21000000	USD
CY2015	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-20000000	USD
CY2013	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	4000000	USD
CY2014	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	4000000	USD
CY2015	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	3000000	USD
CY2013	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	3000000	USD
CY2014	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	3000000	USD
CY2015	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	3000000	USD
CY2014Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	-169000000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	-201000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0505
CY2014Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0410
CY2015Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0450
CY2013Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	138000000	USD
CY2014Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	169000000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	201000000	USD
CY2014	us-gaap	Defined Benefit Plan Benefits Paid DefinedBenefitPlanBenefitsPaid	4000000	USD
CY2015	us-gaap	Defined Benefit Plan Benefits Paid DefinedBenefitPlanBenefitsPaid	6000000	USD
CY2015	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	24000000	USD
CY2015	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	2000000	USD
CY2015	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	29000000	USD
CY2015	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	3000000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	71000000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	5000000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	9000000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	8000000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	7000000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	6000000	USD
CY2014Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-169000000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-201000000	USD
CY2013	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed For Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear	0.0750
CY2014	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed For Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear	0.0688
CY2015	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed For Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear	0.0708
CY2013	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	4000000	USD
CY2014	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	7000000	USD
CY2015	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	7000000	USD
CY2013	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	33000000	USD
CY2014	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	15000000	USD
CY2015	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	18000000	USD
CY2013	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	0	USD
CY2014	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	1000000	USD
CY2015	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	0	USD
CY2013	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	30000000	USD
CY2014	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	10000000	USD
CY2015	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	11000000	USD
CY2014	us-gaap	Defined Benefit Plan Settlements Benefit Obligation DefinedBenefitPlanSettlementsBenefitObligation	3000000	USD
CY2015	us-gaap	Defined Benefit Plan Settlements Benefit Obligation DefinedBenefitPlanSettlementsBenefitObligation	0	USD
CY2015	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate DefinedBenefitPlanUltimateHealthCareCostTrendRate	0.0519
CY2015Q4	us-gaap	Defined Benefit Plan Year That Rate Reaches Ultimate Trend Rate DefinedBenefitPlanYearThatRateReachesUltimateTrendRate	2026
CY2013	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	497000000	USD
CY2014	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	439000000	USD
CY2014	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	644000000	USD
CY2015	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	945000000	USD
CY2014Q4	us-gaap	Deposits On Flight Equipment DepositsOnFlightEquipment	566000000	USD
CY2015Q4	us-gaap	Deposits On Flight Equipment DepositsOnFlightEquipment	1089000000	USD
CY2013	us-gaap	Depreciation And Amortization DepreciationAndAmortization	867000000	USD
CY2014	us-gaap	Depreciation And Amortization DepreciationAndAmortization	938000000	USD
CY2015	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1015000000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	1360000000	USD
CY2015Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	1937000000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	2409000000	USD
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CY2013	us-gaap	Dividends Cash DividendsCash	91000000	USD
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CY2015	us-gaap	Dividends Cash DividendsCash	188000000	USD
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CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.27
CY2015Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	34000000	USD
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CY2015	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	0	USD
CY2015	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	647000000	USD
CY2014Q4	us-gaap	Fair Value Assets Level1 To Level2 Transfers Amount FairValueAssetsLevel1ToLevel2TransfersAmount	0	USD
CY2015Q4	us-gaap	Fair Value Assets Level1 To Level2 Transfers Amount FairValueAssetsLevel1ToLevel2TransfersAmount	0	USD
CY2014Q4	us-gaap	Fair Value Assets Level2 To Level1 Transfers Amount FairValueAssetsLevel2ToLevel1TransfersAmount	0	USD
CY2015Q4	us-gaap	Fair Value Assets Level2 To Level1 Transfers Amount FairValueAssetsLevel2ToLevel1TransfersAmount	0	USD
CY2014Q4	us-gaap	Fair Value Liabilities Level1 To Level2 Transfers Amount FairValueLiabilitiesLevel1ToLevel2TransfersAmount	0	USD
CY2015Q4	us-gaap	Fair Value Liabilities Level1 To Level2 Transfers Amount FairValueLiabilitiesLevel1ToLevel2TransfersAmount	0	USD
CY2014Q4	us-gaap	Fair Value Liabilities Level2 To Level1 Transfers Amount FairValueLiabilitiesLevel2ToLevel1TransfersAmount	0	USD
CY2015Q4	us-gaap	Fair Value Liabilities Level2 To Level1 Transfers Amount FairValueLiabilitiesLevel2ToLevel1TransfersAmount	0	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-450000000	USD
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-428000000	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	403000000	USD
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	750000000	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	170000000	USD
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	200000000	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-19000000	USD
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-365000000	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2013Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	216000000	USD
CY2014Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	-1059000000	USD
CY2015Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	-1649000000	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLoss	-1088000000	USD
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLoss	-858000000	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet	0	USD
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet	0	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	93000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	110000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	89000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	17000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	12000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	13000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	13000000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	14000000	USD
CY2014Q4	us-gaap	Flight Equipment Gross FlightEquipmentGross	18473000000	USD
CY2015Q4	us-gaap	Flight Equipment Gross FlightEquipmentGross	19462000000	USD
CY2015Q4	us-gaap	Frequent Flier Liability Current FrequentFlierLiabilityCurrent	1300000000	USD
CY2013	us-gaap	Fuel Costs FuelCosts	5763000000	USD
CY2014	us-gaap	Fuel Costs FuelCosts	5293000000	USD
CY2015	us-gaap	Fuel Costs FuelCosts	3616000000	USD
CY2013	us-gaap	Gain Loss On Components Excluded From Assessment Of Price Risk Fair Value Hedge Effectiveness GainLossOnComponentsExcludedFromAssessmentOfPriceRiskFairValueHedgeEffectiveness	60000000	USD
CY2014	us-gaap	Gain Loss On Components Excluded From Assessment Of Price Risk Fair Value Hedge Effectiveness GainLossOnComponentsExcludedFromAssessmentOfPriceRiskFairValueHedgeEffectiveness	62000000	USD
CY2015	us-gaap	Gain Loss On Components Excluded From Assessment Of Price Risk Fair Value Hedge Effectiveness GainLossOnComponentsExcludedFromAssessmentOfPriceRiskFairValueHedgeEffectiveness	124000000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	970000000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	970000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1209000000	USD
CY2014Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	244000000	USD
CY2014Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	746000000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	525000000	USD
CY2014Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	302000000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1816000000	USD
CY2015Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	723000000	USD
CY2015Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	977000000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	933000000	USD
CY2015Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	847000000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3479000000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	455000000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	680000000	USD
CY2014	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-54000000	USD
CY2015	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	88000000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	343000000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	36000000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	961000000	USD
CY2013	us-gaap	Increase Decrease In Deferred Air Traffic Revenue IncreaseDecreaseInDeferredAirTrafficRevenue	400000000	USD
CY2014	us-gaap	Increase Decrease In Deferred Air Traffic Revenue IncreaseDecreaseInDeferredAirTrafficRevenue	326000000	USD
CY2015	us-gaap	Increase Decrease In Deferred Air Traffic Revenue IncreaseDecreaseInDeferredAirTrafficRevenue	94000000	USD
CY2013	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-50000000	USD
CY2014	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-501000000	USD
CY2015	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	109000000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	46000000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1298000000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-142000000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-103000000	USD
CY2013	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	6000000	shares
CY2014	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	6000000	shares
CY2015	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	6000000	shares
CY2013	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2000000	shares
CY2014	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3000000	shares
CY2015	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2000000	shares
CY2014Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	363000000	USD
CY2015Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	464000000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	423000000	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	636000000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1218000000	USD
CY2013	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	10000000	USD
CY2014	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	9000000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	15000000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-3000000	USD
CY2014	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-2000000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-1000000	USD
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	25000000	USD
CY2014	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	37000000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	66000000	USD
CY2013	us-gaap	Income Taxes Paid IncomeTaxesPaid	346000000	USD
CY2014	us-gaap	Income Taxes Paid IncomeTaxesPaid	155000000	USD
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	1440000000	USD
CY2013	us-gaap	Increase Decrease Cash Collateral From Counterparties IncreaseDecreaseCashCollateralFromCounterparties	57000000	USD
CY2014	us-gaap	Increase Decrease Cash Collateral From Counterparties IncreaseDecreaseCashCollateralFromCounterparties	-233000000	USD
CY2015	us-gaap	Increase Decrease Cash Collateral From Counterparties IncreaseDecreaseCashCollateralFromCounterparties	-570000000	USD
CY2013	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	17000000	USD
CY2013	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	24000000	USD
CY2014	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	23000000	USD
CY2015	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	31000000	USD
CY2013	us-gaap	Interest Expense Debt InterestExpenseDebt	131000000	USD
CY2014	us-gaap	Interest Expense Debt InterestExpenseDebt	130000000	USD
CY2015	us-gaap	Interest Expense Debt InterestExpenseDebt	121000000	USD
CY2013	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	3000000	USD
CY2014	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	4000000	USD
CY2015	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	4000000	USD
CY2013	us-gaap	Interest Paid Net InterestPaidNet	133000000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	128000000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	105000000	USD
CY2014Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	46000000	USD
CY2015Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	47000000	USD
CY2013	us-gaap	Investment Income Interest InvestmentIncomeInterest	6000000	USD
CY2014	us-gaap	Investment Income Interest InvestmentIncomeInterest	7000000	USD
CY2015	us-gaap	Investment Income Interest InvestmentIncomeInterest	9000000	USD
CY2013	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5035000000	USD
CY2014	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5434000000	USD
CY2015	us-gaap	Labor And Related Expense LaborAndRelatedExpense	6383000000	USD
CY2013	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	1103000000	USD
CY2014	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	1111000000	USD
CY2015	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	1166000000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	997000000	USD
CY2014	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	931000000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	909000000	USD
CY2015Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	184000000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	19723000000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	21312000000	USD
CY2014Q4	us-gaap	Liabilities Current LiabilitiesCurrent	5923000000	USD
CY2015Q4	us-gaap	Liabilities Current LiabilitiesCurrent	7406000000	USD
CY2014Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2434000000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2541000000	USD
CY2014Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	258000000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	637000000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal After Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive	424000000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive	751000000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Four LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour	522000000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Three LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree	272000000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Two LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo	528000000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations Repayments Of Principal In Next Twelve Months LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths	617000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-851000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1248000000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1024000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1384000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1727000000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1913000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2477000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2902000000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3238000000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	754000000	USD
CY2014Q1	us-gaap	Net Income Loss NetIncomeLoss	152000000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	465000000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	329000000	USD
CY2014Q4	us-gaap	Net Income Loss NetIncomeLoss	190000000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	1136000000	USD
CY2015Q1	us-gaap	Net Income Loss NetIncomeLoss	453000000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	608000000	USD
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	584000000	USD
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	536000000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	2181000000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	757000000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1140000000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	2185000000	USD
CY2013	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	0	USD
CY2014	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	0	USD
CY2015	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	172000000	USD
CY2015Q3	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Basic Earnings Per Share NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnBasicEarningsPerShare	0.24
CY2015Q4	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Basic Earnings Per Share NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnBasicEarningsPerShare	0.10
CY2015	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Basic Earnings Per Share NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnBasicEarningsPerShare	0.34
CY2015	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Diluted Earnings Per Share NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnDilutedEarningsPerShare	0.34
CY2015	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Net Income NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome	227000000	USD
CY2015Q3	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Net Revenue NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetRevenue	303000000	USD
CY2015Q4	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Net Revenue NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetRevenue	124000000	USD
CY2015	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Net Revenue NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetRevenue	427000000	USD
CY2013	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-69000000	USD
CY2014	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-409000000	USD
CY2015	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-637000000	USD
CY2013	us-gaap	Operating Expenses OperatingExpenses	16421000000	USD
CY2014	us-gaap	Operating Expenses OperatingExpenses	16380000000	USD
CY2015	us-gaap	Operating Expenses OperatingExpenses	15704000000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	1278000000	USD
CY2014Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	215000000	USD
CY2014Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	775000000	USD
CY2014Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	614000000	USD
CY2014Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	621000000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	2225000000	USD
CY2015Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	780000000	USD
CY2015Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	1085000000	USD
CY2015Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	1225000000	USD
CY2015Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	1026000000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	4116000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	3610000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	636000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	359000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	479000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	551000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	624000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	961000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Receivable OperatingLeasesFutureMinimumPaymentsReceivable	549000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Current OperatingLeasesFutureMinimumPaymentsReceivableCurrent	103000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Five Years OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears	78000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	97000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Three Years OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears	102000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	103000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Thereafter OperatingLeasesFutureMinimumPaymentsReceivableThereafter	66000000	USD
CY2014Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	227000000	USD
CY2015Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	246000000	USD
CY2014Q4	us-gaap	Other Assets OtherAssets	534000000	USD
CY2015Q4	us-gaap	Other Assets OtherAssets	717000000	USD
CY2014Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	136000000	USD
CY2015Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	213000000	USD
CY2014Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	534000000	USD
CY2015Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	717000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	116000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-735000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-313000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-24000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	16000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	12000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-15000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	8000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	7000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	7000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	0	USD
CY2015	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	0	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	9000000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-2000000	USD
CY2013	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2126000000	USD
CY2014	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2205000000	USD
CY2015	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2242000000	USD
CY2014Q4	us-gaap	Other Deferred Compensation Arrangements Liability Classified Noncurrent OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent	174000000	USD
CY2015Q4	us-gaap	Other Deferred Compensation Arrangements Liability Classified Noncurrent OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent	179000000	USD
CY2014Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1255000000	USD
CY2015Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	760000000	USD
CY2013	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	32000000	USD
CY2014	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-309000000	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-556000000	USD
CY2015Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	188000000	USD
CY2015Q4	us-gaap	Price Risk Cash Flow Hedge Unrealized Gain Loss To Be Reclassified During Next12 Months PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months	-620000000	USD
CY2015	us-gaap	Prior Period Reclassification Adjustment PriorPeriodReclassificationAdjustment	-477000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	0	USD
CY2014	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	300000000	USD
CY2013	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	74000000	USD
CY2014	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-277000000	USD
CY2015	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-462000000	USD
CY2013	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	814000000	USD
CY2014	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	772000000	USD
CY2015	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	1170000000	USD
CY2014Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	44000000	USD
CY2015Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	98000000	USD
CY2013	us-gaap	Passenger Revenue PassengerRevenue	16721000000	USD
CY2014	us-gaap	Passenger Revenue PassengerRevenue	17658000000	USD
CY2015	us-gaap	Passenger Revenue PassengerRevenue	18299000000	USD
CY2013	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	14000000	USD
CY2014	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	80000000	USD
CY2015	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	102000000	USD
CY2013	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2014	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	4000000	USD
CY2015	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	7000000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	540000000	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	955000000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1180000000	USD
CY2013	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	71000000	USD
CY2014	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	139000000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	180000000	USD
CY2013	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1433000000	USD
CY2014	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1748000000	USD
CY2015	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2041000000	USD
CY2013	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	3135000000	USD
CY2014	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	3080000000	USD
CY2015	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	1986000000	USD
CY2014Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	169000000	USD
CY2015Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	201000000	USD
CY2015Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue	2000000000	USD
CY2014Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	232000000	USD
CY2015	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	500000000	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-18000000	USD
CY2014	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-19000000	USD
CY2015	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-23000000	USD
CY2013	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	96000000	USD
CY2014	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	110000000	USD
CY2015	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	46000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	22513000000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	24685000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	14292000000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	15601000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	2853000000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	3219000000	USD
CY2015Q4	us-gaap	Property Subject To Or Available For Operating Lease Number Of Units PropertySubjectToOrAvailableForOperatingLeaseNumberOfUnits	95	aircraft
CY2013	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	313000000	USD
CY2014	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	561000000	USD
CY2015	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	213000000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	7416000000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	9409000000	USD
CY2013	us-gaap	Revenues Revenues	17699000000	USD
CY2014Q1	us-gaap	Revenues Revenues	4166000000	USD
CY2014Q2	us-gaap	Revenues Revenues	5011000000	USD
CY2014Q3	us-gaap	Revenues Revenues	4800000000	USD
CY2014Q4	us-gaap	Revenues Revenues	4628000000	USD
CY2014	us-gaap	Revenues Revenues	18605000000	USD
CY2015Q1	us-gaap	Revenues Revenues	4414000000	USD
CY2015Q2	us-gaap	Revenues Revenues	5111000000	USD
CY2015Q3	us-gaap	Revenues Revenues	5318000000	USD
CY2015Q4	us-gaap	Revenues Revenues	4977000000	USD
CY2015	us-gaap	Revenues Revenues	19820000000	USD
CY2014Q4	us-gaap	Sale Leaseback Transaction Deferred Gain Net SaleLeasebackTransactionDeferredGainNet	53000000	USD
CY2015Q4	us-gaap	Sale Leaseback Transaction Deferred Gain Net SaleLeasebackTransactionDeferredGainNet	43000000	USD
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	33000000	shares
CY2014Q4	us-gaap	Short Term Investments ShortTermInvestments	1706000000	USD
CY2015Q4	us-gaap	Short Term Investments ShortTermInvestments	1468000000	USD
CY2013	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	1500000	shares
CY2014	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	800000	shares
CY2015	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	597000	shares
CY2013	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	96000000	USD
CY2014	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	100000000	USD
CY2015	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	30000000	USD
CY2013	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	18000000	USD
CY2014	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	21000000	USD
CY2015	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	29000000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	6992000000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	7336000000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	6775000000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	7358000000	USD
CY2014Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	163000000	USD
CY2015Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	179000000	USD
CY2014Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	132071550	shares
CY2015Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	160010017	shares
CY2014Q4	us-gaap	Treasury Stock Value TreasuryStockValue	2026000000	USD
CY2015Q4	us-gaap	Treasury Stock Value TreasuryStockValue	3182000000	USD
CY2013	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	540000000	USD
CY2014	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	955000000	USD
CY2015	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1180000000	USD
CY2013	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	5000000	USD
CY2014	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	-279000000	USD
CY2015	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	-113000000	USD
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	718000000	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	696000000	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	669000000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	710000000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	687000000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	661000000	shares
CY2014Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	165000000	USD
CY2015Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	187000000	USD
CY2015	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-indent:16px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-style:italic;font-weight:bold;">Concentration Risk</font></div><div style="line-height:120%;text-indent:16px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">Approximately </font><font style="font-family:Times New Roman;font-size:11pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">83 percent</font><font style="font-family:inherit;font-size:11pt;"> of the Company’s full-time equivalent Employees are unionized and are covered by collective-bargaining agreements. The majority of the Company's unionized Employees, including its Pilots, Mechanics, Ramp, Operations, Provisioning and Freight Agents, Flight Attendants, Material Specialists, Flight Crew Training Instructors, Facilities Maintenance Technicians, and Source of Support Representatives are in discussions on labor agreements or have labor agreements which will become amendable within one year. These Employee groups represent approximately </font><font style="font-family:Times New Roman;font-size:11pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">69 percent</font><font style="font-family:inherit;font-size:11pt;"> of the Company’s full-time equivalent Employees as of </font><font style="font-family:Times New Roman;font-size:11pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">December 31, 2015</font><font style="font-family:inherit;font-size:11pt;">. </font></div><div style="line-height:120%;text-align:justify;text-indent:41px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">The Company attempts to minimize its concentration risk with regards to its cash, cash equivalents, and its investment portfolio. This is accomplished by diversifying and limiting amounts among different counterparties, the type of investment, and the amount invested in any individual security or money market fund.</font></div><div style="line-height:120%;text-align:justify;text-indent:41px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">To manage risk associated with financial derivative instruments held, the Company selects and will periodically review counterparties based on credit ratings, limits its exposure to a single counterparty, and monitors the market position of the program and its relative market position with each counterparty. The Company also has agreements with counterparties containing early termination rights and/or bilateral collateral provisions whereby security is required if market risk exposure exceeds a specified threshold amount or credit ratings fall below certain levels. Collateral deposits provided to or held from counterparties serve to decrease, but not totally eliminate, the credit risk associated with the Company’s hedging program. See </font><font style="font-family:inherit;font-size:11pt;">Note 10</font><font style="font-family:inherit;font-size:11pt;"> for further information.</font></div><div style="line-height:120%;text-align:justify;text-indent:41px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">As of </font><font style="font-family:Times New Roman;font-size:11pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">December 31, 2015</font><font style="font-family:inherit;font-size:11pt;">, the Company operated an all-Boeing fleet, all of which are variations of the Boeing 737. Following the 2011 acquisition of AirTran, the Company also operated a fleet of Boeing 717's, but these aircraft were removed from the Company's operations prior to the end of 2014. See Note </font><font style="font-family:inherit;font-size:11pt;">7</font><font style="font-family:inherit;font-size:11pt;"> for further information. If the Company were unable to acquire additional aircraft or associated aircraft parts from Boeing, or Boeing were unable or unwilling to make timely deliveries of aircraft or to provide adequate support for its products, the Company’s operations would be materially adversely impacted. In addition, the Company would be materially adversely impacted in the event of a mechanical or regulatory issue associated with the Boeing 737 aircraft type, whether as a result of downtime for part or all of the Company’s fleet, increased maintenance costs, or because of a negative perception by the flying public. The Company is also dependent on sole suppliers for aircraft engines and certain other aircraft parts and would, therefore, also be materially adversely impacted in the event of the unavailability of, or a mechanical or regulatory issue associated with, engines and other parts.</font></div><div style="line-height:120%;text-align:justify;text-indent:41px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">The Company has historically entered into agreements with some of its co-brand, payment, and loyalty partners that contain exclusivity aspects which place certain confidential restrictions on the Company from entering into certain arrangements with other payment and loyalty partners. These arrangements generally extend for the terms of the partnerships, none of which currently extend beyond </font><font style="font-family:inherit;font-size:10pt;"><font style="font-family:inherit;font-size:11pt;">May 2022</font></font><font style="font-family:inherit;font-size:11pt;">. The Company believes the financial benefits generated by the exclusivity aspects of these arrangements outweigh the risks involved with such agreements.</font></div></div>

Files In Submission

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$LUV
SOUTHWEST AIRLINES CO Stock $luv

2014 Q4 Form 10-K Financial Statement

#000009238016000175 Filed on February 03, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LUV SOUTHWEST AIRLINES CO Stock $luv

2014 Q4 Form 10-K Financial Statement

#000009238016000175 Filed on February 03, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LUV
SOUTHWEST AIRLINES CO Stock $luv