$LUV
SOUTHWEST AIRLINES CO Stock $luv

$luv Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-Q Financial Statement

#000009238017000167 Filed on November 01, 2017

Income Statement

Concept	2017 Q4	2017 Q3	2016 Q3
Revenue	$5.258B	$5.303B	$5.139B
YoY Change	3.59%	3.19%	-3.37%
Cost Of Revenue	$1.383B	$1.412B	$1.304B
YoY Change	6.47%	8.28%	0.38%
Gross Profit	$3.875B	$3.891B	$3.835B
YoY Change	2.62%	1.46%	-4.58%
Gross Profit Margin	73.7%	73.37%	74.63%
Selling, General & Admin	$2.163B	$2.054B	$2.167B
YoY Change	10.75%	-5.21%	10.67%
% of Gross Profit	55.82%	52.79%	56.51%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$279.0M	$302.0M	$315.0M
YoY Change	-12.26%	-4.13%	22.57%
% of Gross Profit	7.2%	7.76%	8.21%
Operating Expenses	$3.135B	$4.458B	$4.444B
YoY Change	6.96%	0.32%	8.58%
Operating Profit	$741.0M	$845.0M	$695.0M
YoY Change	-12.41%	21.58%	-43.27%
Interest Expense	-$5.000M	$28.00M	$31.00M
YoY Change	-86.11%	-9.68%	0.0%
% of Operating Profit	-0.67%	3.31%	4.46%
Other Income/Expense, Net		-$13.00M	-$77.00M
YoY Change		-83.12%	-73.63%
Pretax Income	$736.0M	$832.0M	$618.0M
YoY Change	-9.02%	34.63%	-33.76%
Income Tax	$258.0M	$304.0M	$230.0M
% Of Pretax Income	35.05%	36.54%	37.22%
Net Earnings	$1.747B	$528.0M	$388.0M
YoY Change	234.67%	36.08%	-33.56%
Net Earnings / Revenue	33.23%	9.96%	7.55%
Basic Earnings Per Share	$2.95	$0.88	$0.63
Diluted Earnings Per Share	$2.94	$0.88	$0.62
COMMON SHARES
Basic Shares Outstanding	593.4M shares	597.0M shares	618.0M shares
Diluted Shares Outstanding		598.0M shares	625.0M shares

Balance Sheet

Concept	2017 Q4	2017 Q3	2016 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.273B	$3.040B	$3.446B
YoY Change	-0.97%	-11.78%	11.3%
Cash & Equivalents	$1.495B	$1.460B	$1.966B
Short-Term Investments	$1.778B	$1.580B	$1.480B
Other Short-Term Assets	$460.0M	$223.0M	$214.0M
YoY Change	48.39%	4.21%	-69.6%
Inventory	$420.0M	$438.0M	$331.0M
Prepaid Expenses
Receivables	$662.0M	$579.0M	$848.0M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$4.815B	$4.280B	$4.839B
YoY Change	7.05%	-11.55%	5.82%
LONG-TERM ASSETS
Property, Plant & Equipment	$18.54B	$18.16B	$16.55B
YoY Change	8.77%	9.73%	10.83%
Goodwill	$970.0M	$970.0M	$970.0M
YoY Change	0.0%	0.0%	0.0%
Intangibles	$413.0M	$416.0M	$430.0M
YoY Change	-3.05%	-3.26%	-8.32%
Long-Term Investments
YoY Change
Other Assets	$786.0M	$843.0M	$690.0M
YoY Change	1.55%	22.17%	0.44%
Total Long-Term Assets	$20.30B	$19.97B	$18.21B
YoY Change	8.02%	9.68%	9.77%
TOTAL ASSETS
Total Short-Term Assets	$4.815B	$4.280B	$4.839B
Total Long-Term Assets	$20.30B	$19.97B	$18.21B
Total Assets	$25.11B	$24.25B	$23.05B
YoY Change	7.83%	5.22%	8.91%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.320B	$1.124B	$1.021B
YoY Change	12.05%	10.09%	-17.33%
Accrued Expenses	$1.700B	$1.593B	$2.146B
YoY Change	-14.36%	-25.77%	4.73%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$348.0M	$316.0M	$972.0M
YoY Change	-38.52%	-67.49%	238.68%
Total Short-Term Liabilities	$6.863B	$6.965B	$7.816B
YoY Change	0.28%	-10.89%	10.33%
LONG-TERM LIABILITIES
Long-Term Debt	$3.405B	$2.857B	$2.458B
YoY Change	15.58%	16.23%	-3.42%
Other Long-Term Liabilities	$707.0M	$713.0M	$661.0M
YoY Change	-2.88%	7.87%	-29.0%
Total Long-Term Liabilities	$707.0M	$713.0M	$661.0M
YoY Change	-2.88%	7.87%	-29.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$6.863B	$6.965B	$7.816B
Total Long-Term Liabilities	$707.0M	$713.0M	$661.0M
Total Liabilities	$7.570B	$7.678B	$8.477B
YoY Change	-0.03%	-9.43%	5.76%
SHAREHOLDERS EQUITY
Retained Earnings	$13.83B	$12.81B	$10.96B
YoY Change	21.14%	16.88%	22.81%
Common Stock	$2.259B	$2.244B	$2.210B
YoY Change	1.85%	1.54%	3.37%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$6.462B	$6.114B	$4.621B
YoY Change	32.64%	32.31%	44.9%
Treasury Stock Shares	219.1M shares
Shareholders Equity	$9.641B	$8.800B	$8.047B
YoY Change
Total Liabilities & Shareholders Equity	$25.11B	$24.25B	$23.05B
YoY Change	7.83%	5.22%	8.91%

Cashflow Statement

Concept	2017 Q4	2017 Q3	2016 Q3
OPERATING ACTIVITIES
Net Income	$1.747B	$528.0M	$388.0M
YoY Change	234.67%	36.08%	-33.56%
Depreciation, Depletion And Amortization	$279.0M	$302.0M	$315.0M
YoY Change	-12.26%	-4.13%	22.57%
Cash From Operating Activities	$563.0M	$996.0M	$856.0M
YoY Change	-20.59%	16.36%	2.39%
INVESTING ACTIVITIES
Capital Expenditures	-$533.0M	-$654.0M	-$497.0M
YoY Change	-25.25%	31.59%	89.69%
Acquisitions
YoY Change
Other Investing Activities	-$202.0M	$0.00	-$5.000M
YoY Change	60.32%	-100.0%
Cash From Investing Activities	-$735.0M	-$620.0M	-$584.0M
YoY Change	-12.4%	6.16%	125.48%
FINANCING ACTIVITIES
Cash Dividend Paid		$75.00M	$62.00M
YoY Change		20.97%	26.53%
Common Stock Issuance & Retirement, Net		$300.0M	$250.0M
YoY Change		20.0%	-50.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	207.0M	-$453.0M	-$346.0M
YoY Change	-232.69%	30.92%	-43.19%
NET CHANGE
Cash From Operating Activities	563.0M	$996.0M	$856.0M
Cash From Investing Activities	-735.0M	-$620.0M	-$584.0M
Cash From Financing Activities	207.0M	-$453.0M	-$346.0M
Net Change In Cash	35.00M	-$77.00M	-$74.00M
YoY Change	-112.24%	4.05%	131.25%
FREE CASH FLOW
Cash From Operating Activities	$563.0M	$996.0M	$856.0M
Capital Expenditures	-$533.0M	-$654.0M	-$497.0M
Free Cash Flow	$1.096B	$1.650B	$1.353B
YoY Change	-22.93%	21.95%	23.22%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
	dei	Document Period End Date DocumentPeriodEndDate	2017-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000092380
CY2017Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	593387660	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	SOUTHWEST AIRLINES CO
CY2017Q3	luv	Aircraft Grounding Charge Prepaid Rent AircraftGroundingChargePrepaidRent	15000000	USD
CY2016Q4	luv	Aircraft Maintenance Payable AircraftMaintenancePayable	26000000	USD
CY2017Q3	luv	Aircraft Maintenance Payable AircraftMaintenancePayable	33000000	USD
CY2016Q3	luv	Aircraftgroundingcharge Aircraftgroundingcharge	0	USD
	luv	Aircraftgroundingcharge Aircraftgroundingcharge	0	USD
CY2017Q3	luv	Aircraftgroundingcharge Aircraftgroundingcharge	63000000	USD
	luv	Aircraftgroundingcharge Aircraftgroundingcharge	63000000	USD
CY2016Q4	luv	Assets Constructed For Others AssetsConstructedForOthers	1220000000	USD
CY2017Q3	luv	Assets Constructed For Others AssetsConstructedForOthers	1460000000	USD
CY2016Q4	luv	Assets Constructed For Others Net AssetsConstructedForOthersNet	1156000000	USD
CY2017Q3	luv	Assets Constructed For Others Net AssetsConstructedForOthersNet	1373000000	USD
CY2016Q3	luv	Assets Constructedfor Others During Period AssetsConstructedforOthersDuringPeriod	50000000	USD
	luv	Assets Constructedfor Others During Period AssetsConstructedforOthersDuringPeriod	165000000	USD
CY2017Q3	luv	Assets Constructedfor Others During Period AssetsConstructedforOthersDuringPeriod	39000000	USD
	luv	Assets Constructedfor Others During Period AssetsConstructedforOthersDuringPeriod	127000000	USD
CY2017Q3	luv	Cash Collateral Percent Of Fair Value Fuel Derivatives Contracts CashCollateralPercentOfFairValueFuelDerivativesContracts	1
CY2016Q4	luv	Construction Obligation Noncurrent ConstructionObligationNoncurrent	1078000000	USD
CY2017Q3	luv	Construction Obligation Noncurrent ConstructionObligationNoncurrent	1311000000	USD
CY2016Q4	luv	Derivative Asset Fair Value Amount Offset Against Collateral Total DerivativeAssetFairValueAmountOffsetAgainstCollateralTotal	120000000	USD
CY2017Q3	luv	Derivative Asset Fair Value Amount Offset Against Collateral Total DerivativeAssetFairValueAmountOffsetAgainstCollateralTotal	84000000	USD
CY2016Q4	luv	Fuel Payable FuelPayable	95000000	USD
CY2017Q3	luv	Fuel Payable FuelPayable	139000000	USD
CY2017Q3	luv	Letterof Credit Percentof Collateral LetterofCreditPercentofCollateral	1.00
CY2017Q3	luv	Maximum Sum Of Derivatives Of Counterparty To Be Included In Other MaximumSumOfDerivativesOfCounterpartyToBeIncludedInOther	2000000	USD
CY2017Q3	luv	Net Present Value Aircraft Operating Leases NetPresentValueAircraftOperatingLeases	1000000000	USD
CY2016Q4	luv	Noncurrent Lease Related Obligations NoncurrentLeaseRelatedObligations	125000000	USD
CY2017Q3	luv	Noncurrent Lease Related Obligations NoncurrentLeaseRelatedObligations	94000000	USD
CY2017Q3	luv	Percentageofactualconsumptionhedged Percentageofactualconsumptionhedged	0.61
	luv	Percentageofactualconsumptionhedged Percentageofactualconsumptionhedged	0.62
CY2016Q4	luv	Permanentlygroundedaircraftliabilitycurrent Permanentlygroundedaircraftliabilitycurrent	0	USD
CY2017Q3	luv	Permanentlygroundedaircraftliabilitycurrent Permanentlygroundedaircraftliabilitycurrent	31000000	USD
CY2016Q4	luv	Permanentlygroundedaircraftliabilitynoncurrent Permanentlygroundedaircraftliabilitynoncurrent	0	USD
CY2017Q3	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	432000000	USD
CY2016Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	138000000	USD
CY2017Q3	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	165000000	USD
CY2016Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	68000000	USD
CY2017Q3	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	79000000	USD
CY2016Q4	us-gaap	Accrued Bonuses Current AccruedBonusesCurrent	188000000	USD
CY2017Q3	us-gaap	Accrued Bonuses Current AccruedBonusesCurrent	69000000	USD
CY2016Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	96000000	USD
CY2017Q3	luv	Permanentlygroundedaircraftliabilitynoncurrent Permanentlygroundedaircraftliabilitynoncurrent	18000000	USD
CY2017Q3	luv	Rapid Rewards Frequent Flier Liability2 RapidRewardsFrequentFlierLiability2	64000000	USD
CY2016	luv	Reclassification From Other Revenue Into Passenger Revenue ReclassificationFromOtherRevenueIntoPassengerRevenue	600000000	USD
CY2016Q3	luv	Reimbursementforairportconstruction Reimbursementforairportconstruction	33000000	USD
	luv	Reimbursementforairportconstruction Reimbursementforairportconstruction	68000000	USD
CY2017Q3	luv	Reimbursementforairportconstruction Reimbursementforairportconstruction	17000000	USD
	luv	Reimbursementforairportconstruction Reimbursementforairportconstruction	113000000	USD
CY2016Q3	luv	Repayments Of Construction Obligation RepaymentsOfConstructionObligation	2000000	USD
	luv	Repayments Of Construction Obligation RepaymentsOfConstructionObligation	6000000	USD
CY2017Q3	luv	Repayments Of Construction Obligation RepaymentsOfConstructionObligation	2000000	USD
	luv	Repayments Of Construction Obligation RepaymentsOfConstructionObligation	7000000	USD
CY2016Q4	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	546000000	USD
CY2017Q3	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	579000000	USD
CY2016Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1178000000	USD
CY2017Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	1124000000	USD
CY2016Q4	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	535000000	USD
CY2017Q3	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	93000000	USD
CY2016Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1985000000	USD
CY2017Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1593000000	USD
CY2016Q4	us-gaap	Accrued Rent Current AccruedRentCurrent	55000000	USD
CY2017Q3	us-gaap	Accrued Rent Current AccruedRentCurrent	41000000	USD
CY2016Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	200000000	USD
CY2017Q3	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	175000000	USD
CY2016Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	355000000	USD
CY2017Q3	us-gaap	Accrued Vacation Current AccruedVacationCurrent	348000000	USD
CY2016Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	9420000000	USD
CY2017Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	9645000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-323000000	USD
CY2017Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-136000000	USD
CY2016Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1410000000	USD
CY2017Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1436000000	USD
CY2016Q3	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	258000000	USD
	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	801000000	USD
CY2017Q3	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	263000000	USD
	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	758000000	USD
CY2016Q3	us-gaap	Aircraft Rental AircraftRental	56000000	USD
	us-gaap	Aircraft Rental AircraftRental	174000000	USD
CY2017Q3	us-gaap	Aircraft Rental AircraftRental	51000000	USD
	us-gaap	Aircraft Rental AircraftRental	158000000	USD
CY2016Q4	us-gaap	Airline Related Inventory AirlineRelatedInventory	337000000	USD
CY2017Q3	us-gaap	Airline Related Inventory AirlineRelatedInventory	438000000	USD
CY2016Q4	us-gaap	Assets Assets	23286000000	USD
CY2017Q3	us-gaap	Assets Assets	24249000000	USD
CY2016Q4	us-gaap	Assets Current AssetsCurrent	4498000000	USD
CY2017Q3	us-gaap	Assets Current AssetsCurrent	4280000000	USD
CY2016Q3	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	0	USD
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	251000000	USD
CY2017Q3	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	77000000	USD
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	180000000	USD
CY2016Q4	us-gaap	Capital Leases Future Minimum Payments Receivable CapitalLeasesFutureMinimumPaymentsReceivable	90000000	USD
CY2017Q3	us-gaap	Capital Leases Future Minimum Payments Receivable CapitalLeasesFutureMinimumPaymentsReceivable	79000000	USD
CY2016Q3	us-gaap	Cargo And Freight Revenue CargoAndFreightRevenue	42000000	USD
	us-gaap	Cargo And Freight Revenue CargoAndFreightRevenue	129000000	USD
CY2017Q3	us-gaap	Cargo And Freight Revenue CargoAndFreightRevenue	42000000	USD
	us-gaap	Cargo And Freight Revenue CargoAndFreightRevenue	128000000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1583000000	USD
CY2016Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2040000000	USD
CY2016Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1966000000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1680000000	USD
CY2017Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1537000000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1460000000	USD
CY2016Q3	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-74000000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	383000000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-77000000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-220000000	USD
CY2016Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.100
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.275
CY2017Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.350
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	808000000	USD
CY2017Q3	us-gaap	Common Stock Value CommonStockValue	808000000	USD
CY2016Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	517000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2274000000	USD
CY2017Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	630000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1787000000	USD
CY2016Q4	us-gaap	Deferred Air Traffic Revenue DeferredAirTrafficRevenue	3115000000	USD
CY2017Q3	us-gaap	Deferred Air Traffic Revenue DeferredAirTrafficRevenue	3932000000	USD
CY2016Q4	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	645000000	USD
CY2017Q3	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	450000000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	3374000000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	3697000000	USD
CY2016Q4	us-gaap	Deposits On Flight Equipment DepositsOnFlightEquipment	1190000000	USD
CY2017Q3	us-gaap	Deposits On Flight Equipment DepositsOnFlightEquipment	1118000000	USD
CY2016Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	315000000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	903000000	USD
CY2017Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	302000000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	939000000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	444000000	USD
CY2017Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	234000000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	805000000	USD
CY2017Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	265000000	USD
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.63
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.73
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.84
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.65
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.62
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.70
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.84
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.64
CY2016Q4	us-gaap	Flight Equipment Gross FlightEquipmentGross	20275000000	USD
CY2017Q3	us-gaap	Flight Equipment Gross FlightEquipmentGross	21004000000	USD
CY2016Q3	us-gaap	Fuel Costs FuelCosts	941000000	USD
	us-gaap	Fuel Costs FuelCosts	2696000000	USD
CY2017Q3	us-gaap	Fuel Costs FuelCosts	1003000000	USD
	us-gaap	Fuel Costs FuelCosts	2915000000	USD
CY2016Q3	us-gaap	Gain Loss On Components Excluded From Assessment Of Price Risk Fair Value Hedge Effectiveness GainLossOnComponentsExcludedFromAssessmentOfPriceRiskFairValueHedgeEffectiveness	34000000	USD
	us-gaap	Gain Loss On Components Excluded From Assessment Of Price Risk Fair Value Hedge Effectiveness GainLossOnComponentsExcludedFromAssessmentOfPriceRiskFairValueHedgeEffectiveness	117000000	USD
CY2017Q3	us-gaap	Gain Loss On Components Excluded From Assessment Of Price Risk Fair Value Hedge Effectiveness GainLossOnComponentsExcludedFromAssessmentOfPriceRiskFairValueHedgeEffectiveness	34000000	USD
	us-gaap	Gain Loss On Components Excluded From Assessment Of Price Risk Fair Value Hedge Effectiveness GainLossOnComponentsExcludedFromAssessmentOfPriceRiskFairValueHedgeEffectiveness	102000000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	970000000	USD
CY2017Q3	us-gaap	Goodwill Goodwill	970000000	USD
CY2016Q3	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	USD
	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	21000000	USD
CY2017Q3	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	USD
	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	618000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2738000000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	791000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2513000000	USD
CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	230000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1016000000	USD
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	288000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	913000000	USD
CY2016Q3	us-gaap	Income Taxes Paid IncomeTaxesPaid	264000000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	902000000	USD
CY2017Q3	us-gaap	Income Taxes Paid IncomeTaxesPaid	229000000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	611000000	USD
CY2016Q3	us-gaap	Increase Decrease Cash Collateral From Counterparties IncreaseDecreaseCashCollateralFromCounterparties	114000000	USD
	us-gaap	Increase Decrease Cash Collateral From Counterparties IncreaseDecreaseCashCollateralFromCounterparties	230000000	USD
CY2017Q3	us-gaap	Increase Decrease Cash Collateral From Counterparties IncreaseDecreaseCashCollateralFromCounterparties	151000000	USD
	us-gaap	Increase Decrease Cash Collateral From Counterparties IncreaseDecreaseCashCollateralFromCounterparties	286000000	USD
CY2016Q3	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	320000000	USD
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	355000000	USD
CY2017Q3	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	0	USD
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	23000000	USD
CY2016Q3	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	247000000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	272000000	USD
CY2017Q3	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	89000000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-156000000	USD
CY2016Q3	us-gaap	Increase Decrease In Deferred Air Traffic Revenue IncreaseDecreaseInDeferredAirTrafficRevenue	-77000000	USD
	us-gaap	Increase Decrease In Deferred Air Traffic Revenue IncreaseDecreaseInDeferredAirTrafficRevenue	686000000	USD
CY2017Q3	us-gaap	Increase Decrease In Deferred Air Traffic Revenue IncreaseDecreaseInDeferredAirTrafficRevenue	-80000000	USD
	us-gaap	Increase Decrease In Deferred Air Traffic Revenue IncreaseDecreaseInDeferredAirTrafficRevenue	817000000	USD
CY2016Q3	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	315000000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	395000000	USD
CY2017Q3	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	82000000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	213000000	USD
CY2016Q3	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	16000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	61000000	USD
CY2017Q3	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	64000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	264000000	USD
CY2016Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	6000000	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	6000000	shares
CY2017Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2016Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2000000	shares
CY2017Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
CY2016Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	426000000	USD
CY2017Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	416000000	USD
CY2016Q3	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	12000000	USD
	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	34000000	USD
CY2017Q3	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	15000000	USD
	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	38000000	USD
CY2016Q3	us-gaap	Interest Expense InterestExpense	31000000	USD
	us-gaap	Interest Expense InterestExpense	93000000	USD
CY2017Q3	us-gaap	Interest Expense InterestExpense	28000000	USD
	us-gaap	Interest Expense InterestExpense	84000000	USD
CY2016Q3	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	1000000	USD
	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	2000000	USD
CY2017Q3	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	0	USD
	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	0	USD
CY2016Q3	us-gaap	Interest Paid Net InterestPaidNet	27000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	77000000	USD
CY2017Q3	us-gaap	Interest Paid Net InterestPaidNet	16000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	61000000	USD
CY2016Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	6000000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	17000000	USD
CY2017Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	9000000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	24000000	USD
CY2016Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1909000000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5089000000	USD
CY2017Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1795000000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5395000000	USD
CY2016Q3	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	307000000	USD
	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	918000000	USD
CY2017Q3	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	324000000	USD
	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	969000000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	23286000000	USD
CY2017Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	24249000000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	6844000000	USD
CY2017Q3	us-gaap	Liabilities Current LiabilitiesCurrent	6965000000	USD
CY2016Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2821000000	USD
CY2017Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2763000000	USD
CY2016Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	566000000	USD
CY2017Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	316000000	USD
CY2016Q3	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-346000000	USD
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CY2017Q3	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-453000000	USD
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CY2016Q3	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-584000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1433000000	USD
CY2017Q3	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-620000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1673000000	USD
CY2016Q3	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	856000000	USD
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CY2017Q3	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	996000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3366000000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	388000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	1722000000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	503000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	1600000000	USD
CY2016Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	389000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1724000000	USD
CY2017Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	503000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1600000000	USD
CY2016Q3	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	20000000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	20000000	USD
CY2017Q3	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2016Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-77000000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-177000000	USD
CY2017Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-43000000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-229000000	USD
CY2016Q3	us-gaap	Operating Expenses OperatingExpenses	4444000000	USD
	us-gaap	Operating Expenses OperatingExpenses	12435000000	USD
CY2017Q3	us-gaap	Operating Expenses OperatingExpenses	4437000000	USD
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CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	695000000	USD
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CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	834000000	USD
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CY2016Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	237000000	USD
CY2017Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	228000000	USD
CY2016Q4	us-gaap	Other Assets OtherAssets	774000000	USD
CY2017Q3	us-gaap	Other Assets OtherAssets	843000000	USD
CY2016Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	132000000	USD
CY2017Q3	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	151000000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	774000000	USD
CY2017Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	843000000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	129000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	552000000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	127000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	187000000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3000000	USD
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CY2017Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2000000	USD
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CY2016Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	2000000	USD
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CY2017Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	2000000	USD
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CY2016Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	658000000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1854000000	USD
CY2017Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	699000000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2021000000	USD
CY2016Q4	us-gaap	Other Deferred Compensation Arrangements Liability Classified Noncurrent OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent	204000000	USD
CY2017Q3	us-gaap	Other Deferred Compensation Arrangements Liability Classified Noncurrent OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent	225000000	USD
CY2016Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	728000000	USD
CY2017Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	713000000	USD
CY2016Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-64000000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-135000000	USD
CY2017Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-39000000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-207000000	USD
CY2016Q3	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-43000000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-128000000	USD
CY2017Q3	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-8000000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-89000000	USD
CY2016Q3	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	428000000	USD
	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	1250000000	USD
CY2017Q3	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	484000000	USD
	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	1366000000	USD
CY2016Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	108000000	USD
CY2017Q3	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	81000000	USD
CY2016Q3	us-gaap	Passenger Revenue PassengerRevenue	4669000000	USD
	us-gaap	Passenger Revenue PassengerRevenue	13971000000	USD
CY2017Q3	us-gaap	Passenger Revenue PassengerRevenue	4745000000	USD
	us-gaap	Passenger Revenue PassengerRevenue	14403000000	USD
CY2016Q3	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	33000000	USD
	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	70000000	USD
CY2017Q3	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	17000000	USD
	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	113000000	USD
CY2016Q3	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-5000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2017Q3	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2016Q3	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	250000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1450000000	USD
CY2017Q3	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	300000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1250000000	USD
CY2016Q3	us-gaap	Payments Of Dividends PaymentsOfDividends	62000000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	222000000	USD
CY2017Q3	us-gaap	Payments Of Dividends PaymentsOfDividends	75000000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	274000000	USD
CY2016Q3	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	464000000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1364000000	USD
CY2017Q3	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	638000000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1603000000	USD
CY2016Q3	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	641000000	USD
	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	1670000000	USD
CY2017Q3	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	531000000	USD
	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	1653000000	USD
CY2016Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	256000000	USD
CY2017Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	274000000	USD
CY2016Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	310000000	USD
CY2017Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	223000000	USD
CY2016Q4	us-gaap	Prepaid Expense Other Noncurrent PrepaidExpenseOtherNoncurrent	6000000	USD
CY2017Q3	us-gaap	Prepaid Expense Other Noncurrent PrepaidExpenseOtherNoncurrent	113000000	USD
CY2017Q3	us-gaap	Price Risk Cash Flow Hedge Unrealized Gain Loss To Be Reclassified During Next12 Months PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months	-118000000	USD
CY2016Q3	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-10000000	USD
CY2017Q3	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	6000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	17000000	USD
CY2016Q3	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	549000000	USD
	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	1671000000	USD
CY2017Q3	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	566000000	USD
	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	1696000000	USD
CY2016Q3	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	6000000	USD
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	23000000	USD
CY2017Q3	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	7000000	USD
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	22000000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	26464000000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	27801000000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	17044000000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	18156000000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	3779000000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	4219000000	USD
CY2017Q3	us-gaap	Property Subject To Or Available For Operating Lease Number Of Units PropertySubjectToOrAvailableForOperatingLeaseNumberOfUnits	53	aircraft
CY2016Q3	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	68000000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	171000000	USD
CY2017Q3	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	106000000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	534000000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	11418000000	USD
CY2017Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	12806000000	USD
CY2016Q3	us-gaap	Revenues Revenues	5139000000	USD
	us-gaap	Revenues Revenues	15350000000	USD
CY2017Q3	us-gaap	Revenues Revenues	5271000000	USD
	us-gaap	Revenues Revenues	15897000000	USD
CY2016Q4	us-gaap	Short Term Investments ShortTermInvestments	1625000000	USD
CY2017Q3	us-gaap	Short Term Investments ShortTermInvestments	1580000000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	8441000000	USD
CY2017Q3	us-gaap	Stockholders Equity StockholdersEquity	8800000000	USD
CY2016Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	184000000	USD
CY2017Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	180000000	USD
CY2016Q4	us-gaap	Treasury Stock Value TreasuryStockValue	4872000000	USD
CY2017Q3	us-gaap	Treasury Stock Value TreasuryStockValue	6114000000	USD
CY2016Q3	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	67000000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	101000000	USD
CY2017Q3	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	42000000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	20000000	USD
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	625000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	638000000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	598000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	606000000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	618000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	630000000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	597000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	605000000	shares
CY2016Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	183000000	USD
CY2017Q3	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	174000000	USD
	us-gaap	Basis Of Accounting BasisOfAccounting	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">BASIS OF PRESENTATION</font></div><div style="line-height:120%;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;">Southwest Airlines Co. (the "Company") operates Southwest Airlines, a major passenger airline that provides scheduled air transportation in the United States and near-international markets. The unaudited Condensed Consolidated Financial Statements include accounts of the Company and its wholly owned subsidiaries.</font></div><div style="line-height:120%;text-align:justify;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 accompanying unaudited Condensed Consolidated Financial Statements of the Company and its subsidiaries have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by generally accepted accounting principles in the United States ("GAAP") for complete financial statements. The unaudited Condensed Consolidated Financial Statements for the interim periods ended </font><font style="font-family:Times New Roman;font-size:11pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">September 30, 2017</font><font style="font-family:inherit;font-size:11pt;"> and </font><font style="font-family:Times New Roman;font-size:11pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">2016</font><font style="font-family:inherit;font-size:11pt;"> include all adjustments which are, in the opinion of management, necessary for a fair presentation of the results for the interim periods. This includes all normal and recurring adjustments and elimination of significant intercompany transactions. Financial results for the Company and airlines in general can be seasonal in nature. In many years, the Company's revenues, as well as its Operating income and Net income, have been better in its second and third fiscal quarters than in its first and fourth fiscal quarters. Air travel is also significantly impacted by general economic conditions, the amount of disposable income available to consumers, unemployment levels, corporate travel budgets, natural disasters, and other factors beyond the Company's control. These and other factors, such as the price of jet fuel in some periods, the nature of the Company's fuel hedging program, the periodic volatility of commodities used by the Company for hedging jet fuel, and the requirements related to hedge accounting, have created, and may continue to create, significant volatility in the Company's financial results. See</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:11pt;color:#000000;text-decoration:none;">Note 3</font><font style="font-family:inherit;font-size:11pt;"> for further information on fuel and the Company's hedging program. Operating results for the </font><font style="font-family:inherit;font-size:11pt;">three and nine months ended</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:11pt;color:#000000;text-decoration:none;">September 30, 2017</font><font style="font-family:inherit;font-size:11pt;">, are not necessarily indicative of the results that may be expected for future quarters or for the year ended </font><font style="font-family:inherit;font-size:11pt;color:#000000;text-decoration:none;">December 31, 2017</font><font style="font-family:inherit;font-size:11pt;">. For further information, refer to the Consolidated Financial Statements and footnotes thereto included in the Southwest Airlines Co. Annual Report on Form 10-K for the year ended </font><font style="font-family:inherit;font-size:11pt;">December 31, 2016</font><font style="font-family:inherit;font-size:11pt;">.</font></div></div>

Files In Submission

Name	View Source	Status
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luv-20170930.xml	Edgar Link	completed
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luv-9302017ex106.htm	Edgar Link	pending
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southwestheartimagea01.jpg	Edgar Link	pending

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$LUV
SOUTHWEST AIRLINES CO Stock $luv

2017 Q4 Form 10-Q Financial Statement

#000009238017000167 Filed on November 01, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LUV SOUTHWEST AIRLINES CO Stock $luv

2017 Q4 Form 10-Q Financial Statement

#000009238017000167 Filed on November 01, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LUV
SOUTHWEST AIRLINES CO Stock $luv