$LUV
SOUTHWEST AIRLINES CO Stock $luv

$luv Overview Financials Valuation SEC Filings Company Website

2012 Q1 Form 10-Q Financial Statement

#000009238012000016 Filed on April 25, 2012

Income Statement

Concept	2012 Q1	2011 Q1
Revenue	$3.991B	$3.103B
YoY Change	28.62%	17.98%
Cost Of Revenue	$1.851B	$1.285B
YoY Change	44.05%	21.46%
Gross Profit	$2.139B	$1.818B
YoY Change	17.66%	15.65%
Gross Profit Margin	53.6%	58.59%
Selling, General & Admin	$1.412B	$1.153B
YoY Change	22.46%	11.94%
% of Gross Profit	66.01%	63.42%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$201.0M	$155.0M
YoY Change	29.68%	0.65%
% of Gross Profit	9.4%	8.53%
Operating Expenses	$3.969B	$2.989B
YoY Change	32.79%	96.9%
Operating Profit	$22.00M	$114.0M
YoY Change	-80.7%	111.11%
Interest Expense	$138.0M	-$96.00M
YoY Change	-243.75%	159.46%
% of Operating Profit	627.27%	-84.21%
Other Income/Expense, Net	$137.0M	-$96.00M
YoY Change	-242.71%
Pretax Income	$159.0M	$18.00M
YoY Change	783.33%	5.88%
Income Tax	$61.00M	$13.00M
% Of Pretax Income	38.36%	72.22%
Net Earnings	$98.00M	$5.000M
YoY Change	1860.0%	-54.55%
Net Earnings / Revenue	2.46%	0.16%
Basic Earnings Per Share	$0.13	$0.01
Diluted Earnings Per Share	$0.13	$0.01
COMMON SHARES
Basic Shares Outstanding	771.0M shares	748.0M shares
Diluted Shares Outstanding	772.0M shares	749.0M shares

Balance Sheet

Concept	2012 Q1	2011 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.784B	$4.465B
YoY Change	-15.25%	61.02%
Cash & Equivalents	$1.558B	$2.039B
Short-Term Investments	$2.226B	$2.426B
Other Short-Term Assets	$537.0M	$262.0M
YoY Change	104.96%	-32.12%
Inventory	$432.0M	$320.0M
Prepaid Expenses
Receivables	$367.0M	$282.0M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$5.120B	$5.329B
YoY Change	-3.92%	47.17%
LONG-TERM ASSETS
Property, Plant & Equipment	$12.10B	$10.50B
YoY Change	15.23%	-1.18%
Goodwill	$970.0M
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$641.0M	$589.0M
YoY Change	8.83%	104.51%
Total Long-Term Assets	$13.71B	$11.09B
YoY Change	23.64%	1.61%
TOTAL ASSETS
Total Short-Term Assets	$5.120B	$5.329B
Total Long-Term Assets	$13.71B	$11.09B
Total Assets	$18.83B	$16.41B
YoY Change	14.69%	12.97%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.208B	$916.0M
YoY Change	31.88%	32.75%
Accrued Expenses	$1.024B	$796.0M
YoY Change	28.64%	26.75%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$259.0M	$905.0M
YoY Change	-71.38%	432.35%
Total Short-Term Liabilities	$5.047B	$4.358B
YoY Change	15.81%	49.4%
LONG-TERM LIABILITIES
Long-Term Debt	$3.048B	$2.428B
YoY Change	25.54%	-26.54%
Other Long-Term Liabilities	$924.0M	$545.0M
YoY Change	69.54%	4.61%
Total Long-Term Liabilities	$3.972B	$2.973B
YoY Change	33.6%	-22.29%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.047B	$4.358B
Total Long-Term Liabilities	$3.972B	$2.973B
Total Liabilities	$9.019B	$9.827B
YoY Change	-8.22%	9.27%
SHAREHOLDERS EQUITY
Retained Earnings	$5.486B
YoY Change
Common Stock	$2.033B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$365.0M
YoY Change
Treasury Stock Shares
Shareholders Equity	$7.097B	$6.587B
YoY Change
Total Liabilities & Shareholders Equity	$18.83B	$16.41B
YoY Change	14.69%	12.97%

Cashflow Statement

Concept	2012 Q1	2011 Q1
OPERATING ACTIVITIES
Net Income	$98.00M	$5.000M
YoY Change	1860.0%	-54.55%
Depreciation, Depletion And Amortization	$201.0M	$155.0M
YoY Change	29.68%	0.65%
Cash From Operating Activities	$1.225B	$965.0M
YoY Change	26.94%	158.71%
INVESTING ACTIVITIES
Capital Expenditures	$127.0M	$57.00M
YoY Change	122.81%	-141.01%
Acquisitions	$0.00	$0.00
YoY Change
Other Investing Activities	$115.0M	-$174.0M
YoY Change	-166.09%	-4.92%
Cash From Investing Activities	-$12.00M	-$231.0M
YoY Change	-94.81%	-28.26%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$50.00M	$0.00
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$484.0M	$44.00M
YoY Change	-1200.0%	-180.0%
NET CHANGE
Cash From Operating Activities	$1.225B	$965.0M
Cash From Investing Activities	-$12.00M	-$231.0M
Cash From Financing Activities	-$484.0M	$44.00M
Net Change In Cash	$729.0M	$778.0M
YoY Change	-6.3%	-19550.0%
FREE CASH FLOW
Cash From Operating Activities	$1.225B	$965.0M
Capital Expenditures	$127.0M	$57.00M
Free Cash Flow	$1.098B	$908.0M
YoY Change	20.93%	77.34%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q1	dei	Entity Registrant Name EntityRegistrantName	Southwest Airlines Co
CY2012Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012Q1	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012Q1	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2012Q1	dei	Document Period End Date DocumentPeriodEndDate	2012-03-31
CY2012Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000092380
CY2012Q1	dei	Amendment Flag AmendmentFlag	false
CY2012Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2011Q4	us-gaap	Airline Related Inventory AirlineRelatedInventory	401000000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	4345000000	USD
CY2012Q1	us-gaap	Liabilities Current LiabilitiesCurrent	5047000000	USD
CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4533000000	USD
CY2012Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	767684913	shares
CY2012Q1	dei	Document Type DocumentType	10-Q
CY2012Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2012Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	18826000000	USD
CY2012Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	5486000000	USD
CY2012Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	318000000	USD
CY2012Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3048000000	USD
CY2012Q1	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	2638000000	USD
CY2012Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	259000000	USD
CY2012Q1	us-gaap	Deposits On Flight Equipment DepositsOnFlightEquipment	444000000	USD
CY2012Q1	us-gaap	Assets Current AssetsCurrent	5120000000	USD
CY2012Q1	us-gaap	Short Term Investments ShortTermInvestments	2226000000	USD
CY2012Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1225000000	USD
CY2012Q1	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	219000000	USD
CY2012Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	1208000000	USD
CY2012Q1	us-gaap	Goodwill Goodwill	970000000	USD
CY2012Q1	us-gaap	Assets Assets	18826000000	USD
CY2012Q1	us-gaap	Flight Equipment Gross FlightEquipmentGross	15600000000	USD
CY2012Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	6456000000	USD
CY2012Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	18551000000	USD
CY2012Q1	us-gaap	Airline Related Inventory AirlineRelatedInventory	432000000	USD
CY2012Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	641000000	USD
CY2012Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	12095000000	USD
CY2012Q1	us-gaap	Common Stock Value CommonStockValue	808000000	USD
CY2012Q1	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	2507000000	USD
CY2012Q1	us-gaap	Stockholders Equity StockholdersEquity	7097000000	USD
CY2011Q4	us-gaap	Flight Equipment Gross FlightEquipmentGross	15542000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	2566000000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	18421000000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	5395000000	USD
CY2011Q4	us-gaap	Treasury Stock Value TreasuryStockValue	324000000	USD
CY2011Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1222000000	USD
CY2011Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	238000000	USD
CY2011Q4	us-gaap	Deferred Air Traffic Revenue DeferredAirTrafficRevenue	1836000000	USD
CY2011Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1057000000	USD
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	808000000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	6877000000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	970000000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	6294000000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	18068000000	USD
CY2011Q4	us-gaap	Deposits On Flight Equipment DepositsOnFlightEquipment	456000000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	2423000000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	12127000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	263000000	USD
CY2011Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	644000000	USD
CY2011Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	626000000	USD
CY2011Q4	us-gaap	Assets Assets	18068000000	USD
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	.13
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	.13
CY2012Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	2000000	USD
CY2011Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3107000000	USD
CY2012Q1	us-gaap	Treasury Stock Value TreasuryStockValue	365000000	USD
CY2012Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-57000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-224000000	USD
CY2012Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1024000000	USD
CY2012Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	924000000	USD
CY2012Q1	us-gaap	Sale Leaseback Transaction Deferred Gain Net SaleLeasebackTransactionDeferredGainNet	72000000	USD
CY2011Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	910000000	USD
CY2011Q4	us-gaap	Sale Leaseback Transaction Deferred Gain Net SaleLeasebackTransactionDeferredGainNet	75000000	USD
CY2011Q4	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	299000000	USD
CY2012Q1	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	367000000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1558000000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	829000000	USD
CY2011Q4	us-gaap	Short Term Investments ShortTermInvestments	2315000000	USD
CY2012Q1	us-gaap	Deferred Air Traffic Revenue DeferredAirTrafficRevenue	2556000000	USD
CY2011Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	996000000	USD
CY2012Q1	us-gaap	Fuel Costs FuelCosts	1510000000	USD
CY2012Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	137000000	USD
CY2012Q1	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	-5000000	USD
CY2012Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	201000000	USD
CY2012Q1	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	254000000	USD
CY2012Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	170000000	USD
CY2012Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	22000000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	159000000	USD
CY2012Q1	us-gaap	Interest Expense Debt InterestExpenseDebt	40000000	USD
CY2012Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	490000000	USD
CY2012Q1	us-gaap	Passenger Revenue PassengerRevenue	3744000000	USD
CY2012Q1	us-gaap	Cargo And Freight Revenue CargoAndFreightRevenue	37000000	USD
CY2012Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	.0045
CY2012Q1	us-gaap	Aircraft Rental AircraftRental	88000000	USD
CY2012Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	61000000	USD
CY2012Q1	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	272000000	USD
CY2012Q1	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	210000000	USD
CY2012Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1141000000	USD
CY2011Q1	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	123000000	USD
CY2011Q1	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	-3000000	USD
CY2011Q1	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	199000000	USD
CY2011Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13000000	USD
CY2011Q1	us-gaap	Passenger Revenue PassengerRevenue	2949000000	USD
CY2011Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	114000000	USD
CY2011Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	.0045
CY2011Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	18000000	USD
CY2011Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	3000000	USD
CY2011Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-96000000	USD
CY2011Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-59000000	USD
CY2011Q1	us-gaap	Cargo And Freight Revenue CargoAndFreightRevenue	31000000	USD
CY2011Q1	us-gaap	Interest Expense Debt InterestExpenseDebt	43000000	USD
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	.01
CY2011Q1	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	201000000	USD
CY2011Q1	us-gaap	Fuel Costs FuelCosts	1038000000	USD
CY2011Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	954000000	USD
CY2011Q1	us-gaap	Aircraft Rental AircraftRental	46000000	USD
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	.01
CY2011Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	379000000	USD
CY2012Q1	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	13000000	USD
CY2012Q1	us-gaap	Operating Expenses OperatingExpenses	3969000000	USD
CY2011Q1	us-gaap	Operating Expenses OperatingExpenses	2989000000	USD
CY2011Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	155000000	USD
CY2011Q1	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	17000000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	98000000	USD
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	5000000	USD
CY2012Q1	us-gaap	Revenues Revenues	3991000000	USD
CY2011Q1	us-gaap	Revenues Revenues	3103000000	USD
CY2012Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	265000000	USD
CY2011Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	346000000	USD
CY2012Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	771000000	shares
CY2012Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	772000000	shares
CY2011Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	749000000	shares
CY2011Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	748000000	shares
CY2012Q1	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	68000000	USD
CY2011Q1	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	87000000	USD
CY2012Q1	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	51000000	USD
CY2011Q1	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	92000000	USD
CY2012Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	225000000	USD
CY2011Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	238000000	USD
CY2012Q1	us-gaap	Increase Decrease In Air Traffic Liability1 IncreaseDecreaseInAirTrafficLiability1	720000000	USD
CY2011Q1	us-gaap	Increase Decrease In Air Traffic Liability1 IncreaseDecreaseInAirTrafficLiability1	512000000	USD
CY2012Q1	us-gaap	Increase Decrease Cash Collateral From Counterparties IncreaseDecreaseCashCollateralFromCounterparties	147000000	USD
CY2011Q1	us-gaap	Increase Decrease Cash Collateral From Counterparties IncreaseDecreaseCashCollateralFromCounterparties	29000000	USD
CY2012Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-143000000	USD
CY2011Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-170000000	USD
CY2012Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	127000000	USD
CY2011Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	57000000	USD
CY2012Q1	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	736000000	USD
CY2011Q1	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	1310000000	USD
CY2012Q1	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	5000000	USD
CY2011Q1	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	4000000	USD
CY2012Q1	luv	Proceeds From Termination Of Interest Rate Derivatives ProceedsFromTerminationOfInterestRateDerivatives	0	USD
CY2011Q1	luv	Proceeds From Termination Of Interest Rate Derivatives ProceedsFromTerminationOfInterestRateDerivatives	76000000	USD
CY2011Q1	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	30000000	USD
CY2012Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	50000000	USD
CY2011Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2011Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	1000000	USD
CY2012Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1000000	USD
CY2012Q1	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2011Q1	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2012Q1	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	431000000	USD
CY2012Q1	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	621000000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-12000000	USD
CY2011Q1	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	1484000000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-231000000	USD
CY2012Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	7000000	USD
CY2011Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	7000000	USD
CY2012Q1	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	201000000	USD
CY2011Q1	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	-10000000	USD
CY2012Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	14000000	USD
CY2011Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	28000000	USD
CY2012Q1	us-gaap	Sale Leaseback Transaction Current Period Gain Recognized SaleLeasebackTransactionCurrentPeriodGainRecognized	3000000	USD
CY2011Q1	us-gaap	Sale Leaseback Transaction Current Period Gain Recognized SaleLeasebackTransactionCurrentPeriodGainRecognized	3000000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1225000000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	965000000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	44000000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	729000000	USD
CY2011Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	778000000	USD
CY2011Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2039000000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1261000000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-484000000	USD
CY2012Q1	us-gaap	Interest Paid Net InterestPaidNet	47000000	USD
CY2011Q1	us-gaap	Interest Paid Net InterestPaidNet	34000000	USD
CY2012Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	1000000	USD
CY2011Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	USD
CY2012Q1	us-gaap	Basis Of Accounting BasisOfAccounting	<p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Times New Roman;font-size:11pt;margin-left:0px;">1</font><font style="font-family:Times New Roman;font-size:11pt;">. </font><font style="font-family:Times New Roman;font-size:11pt;">BASIS OF PRESENTATION</font></p><p style='margin-top:0pt; margin-bottom:0pt'> </p><p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Times New Roman;font-size:11pt;margin-left:0px;">The accompanying unaudited Condensed Consolidated Financial Statements of Southwest Airlines Co. and it</font><font style="font-family:Times New Roman;font-size:11pt;">s subsidiaries (the “Company”</font><font style="font-family:Times New Roman;font-size:11pt;">) 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 accounting principles generally accepted in the United States for complete financial statements. The unaudited Condensed Consolidated Financial Statements for the interim periods ended March 31, 2012 and 2011 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, but does not include all of the information and footnotes required by generally accepted accounting principles (“GAAP”) for complete financial statements. 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, and corporate travel budgets. 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 Note </font><font style="font-family:Times New Roman;font-size:11pt;">5</font><font style="font-family:Times New Roman;font-size:11pt;"> for further information on fuel and the Company's hedging program. Operating results for the three months ended March 31, 2012 are not necessarily indicative of the results that may be expected for the year ended December 31, 2012. 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 December 31, 2011.</font><font style="font-family:Times New Roman;font-size:11pt;font-weight:bold;"> </font></p><p style='margin-top:0pt; margin-bottom:0pt'> </p><p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Times New Roman;font-size:11pt;margin-left:0px;">Certain prior period amounts have been reclassified to conform to the current presentation. </font><font style="font-family:Times New Roman;font-size:11pt;">In the unaudited Condensed Consolidated Statement of Comprehensive Income for the three months ended </font><font style="font-family:Times New Roman;font-size:11pt;">March 31,</font><font style="font-family:Times New Roman;font-size:11pt;"> </font><font style="font-family:Times New Roman;font-size:11pt;">2011</font><font style="font-family:Times New Roman;font-size:11pt;">, the Company has reclassified $10 million from Other revenue</font><font style="font-family:Times New Roman;font-size:11pt;">s</font><font style="font-family:Times New Roman;font-size:11pt;"> to Passenger revenue</font><font style="font-family:Times New Roman;font-size:11pt;">s</font><font style="font-family:Times New Roman;font-size:11pt;"> associated with its sale of frequent flyer benefits from its co-branded Chase</font><font style="font-family:Times New Roman;font-size:11pt;">®</font><font style="font-family:Times New Roman;font-size:11pt;"> Visa </font><font style="font-family:Times New Roman;font-size:11pt;">credit </font><font style="font-family:Times New Roman;font-size:11pt;">card.</font></p>
CY2012Q1	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	In the unaudited Condensed Consolidated Statement of Comprehensive Income for the three months ended March 31, 2011, the Company has reclassified $10 million from Other revenues to Passenger revenues associated with its sale of frequent flyer benefits from its co-branded Chase® Visa credit card.
CY2011Q2	us-gaap	Business Acquisition Name Of Acquired Entity BusinessAcquisitionNameOfAcquiredEntity	AirTran Holdings, Inc.
CY2011Q2	us-gaap	Business Acquisition Date Of Acquisition Agreement BusinessAcquisitionDateOfAcquisitionAgreement	May 2, 2011
CY2011Q2	us-gaap	Business Acquisition Purchase Price Allocation Current Assets Cash And Cash Equivalents BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents	477000000	USD
CY2011Q2	luv	Business Acquisition Purchase Price Allocation Current Assets Restricted Cash BusinessAcquisitionPurchasePriceAllocationCurrentAssetsRestrictedCash	6000000	USD
CY2011Q2	us-gaap	Business Acquisition Purchase Price Allocation Current Assets Prepaid Expense And Other Assets BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets	234000000	USD
CY2011Q2	us-gaap	Business Acquisition Purchase Price Allocation Property Plant And Equipment BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment	1154000000	USD
CY2011Q2	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Amount BusinessAcquisitionPurchasePriceAllocationGoodwillAmount	970000000	USD
CY2011Q2	us-gaap	Business Acquisition Purchase Price Allocation Amortizable Intangible Assets BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets	123000000	USD
CY2011Q2	us-gaap	Business Acquisition Purchase Price Allocation Deferred Income Taxes Asset Liability Net BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesAssetLiabilityNet	162000000	USD
CY2011Q2	us-gaap	Business Acquisition Purchase Price Allocation Other Noncurrent Assets BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentAssets	45000000	USD
CY2011Q2	us-gaap	Business Acquisition Purchase Price Allocation Noncurrent Liabilities Long Term Debt BusinessAcquisitionPurchasePriceAllocationNoncurrentLiabilitiesLongTermDebt	1119000000	USD
CY2011Q2	luv	Business Acquisition Purchase Price Allocation Noncurrent Liabilities Air Traffic Liability BusinessAcquisitionPurchasePriceAllocationNoncurrentLiabilitiesAirTrafficLiability	354000000	USD
CY2011Q2	us-gaap	Business Acquisition Purchase Price Allocation Other Noncurrent Liabilities BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities	657000000	USD
CY2011Q2	us-gaap	Business Acquisition Purchase Price Allocation Assets Acquired Liabilities Assumed Net BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet	1041000000	USD
CY2012Q1	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	678000000000	USD
CY2012Q1	us-gaap	Business Combination Pro Forma Information Earnings Or Loss Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual	-11000000	USD
CY2012Q1	us-gaap	Business Acquisition Cost Of Acquired Entity Transaction Costs BusinessAcquisitionCostOfAcquiredEntityTransactionCosts	13000000	USD
CY2012Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
CY2011Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
CY2011Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	1300000000	USD
CY2011Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	1410000000	USD
CY2012Q1	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	1673000000	USD
CY2012Q1	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	1554000000	USD
CY2012Q1	us-gaap	Price Risk Cash Flow Hedge Unrealized Gain Loss To Be Reclassified During Next12 Months PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months	-49000000	USD
CY2012Q1	luv	Gain Loss On Price Risk Hedge Ineffectiveness And Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments GainLossOnPriceRiskHedgeIneffectivenessAndGainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments	-57000000	USD
CY2012Q1	us-gaap	Gain Loss On Components Excluded From Assessment Of Price Risk Cash Flow Hedge Effectiveness GainLossOnComponentsExcludedFromAssessmentOfPriceRiskCashFlowHedgeEffectiveness	-6000000	USD
CY2011Q1	us-gaap	Gain Loss On Components Excluded From Assessment Of Price Risk Cash Flow Hedge Effectiveness GainLossOnComponentsExcludedFromAssessmentOfPriceRiskCashFlowHedgeEffectiveness	-31000000	USD
CY2012Q1	luv	Maximum Sum Of Derivatives Of Counterparty To Be Included In Other MaximumSumOfDerivativesOfCounterpartyToBeIncludedInOther	15000000	USD
CY2012Q1	luv	Cash Collateral Percent Of Fair Value Fuel Derivatives Contracts CashCollateralPercentOfFairValueFuelDerivativesContracts	1	pure
CY2012Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2000000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3000000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent OtherComprehensiveIncomeLossTaxPortionAttributableToParent	2000000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent OtherComprehensiveIncomeLossTaxPortionAttributableToParent	2000000	USD
CY2011Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	210000000	USD
CY2012Q1	luv	Other Comprehensive Income Changes In Fair Value Net Of Tax OtherComprehensiveIncomeChangesInFairValueNetOfTax	144000000	USD
CY2012Q1	luv	Other Comprehensive Income Reclassification Adjustment To Earnings Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentToEarningsNetOfTax	-23000000	USD
CY2011Q4	us-gaap	Derivative Asset Fair Value Net DerivativeAssetFairValueNet	253000000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	155000000	USD
CY2011Q4	us-gaap	Available For Sale Securities Noncurrent AvailableForSaleSecuritiesNoncurrent	97000000	USD
CY2011Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	121000000	USD
CY2011Q4	us-gaap	Other Assets OtherAssets	626000000	USD
CY2012Q1	us-gaap	Other Assets OtherAssets	641000000	USD
CY2012Q1	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	157000000	USD
CY2012Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	147000000	USD
CY2012Q1	us-gaap	Available For Sale Securities Noncurrent AvailableForSaleSecuritiesNoncurrent	73000000	USD
CY2012Q1	us-gaap	Derivative Asset Fair Value Net DerivativeAssetFairValueNet	264000000	USD
CY2012Q1	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	104000000	USD
CY2012Q1	us-gaap	Accrued Rent Current AccruedRentCurrent	88000000	USD
CY2012Q1	us-gaap	Accrued Vacation Current AccruedVacationCurrent	253000000	USD
CY2012Q1	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	41000000	USD
CY2012Q1	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	166000000	USD
CY2012Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	211000000	USD
CY2011Q4	us-gaap	Accrued Rent Current AccruedRentCurrent	57000000	USD
CY2011Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	248000000	USD
CY2011Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	85000000	USD
CY2011Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	162000000	USD
CY2011Q4	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	110000000	USD
CY2012Q1	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	56000000	USD
CY2011Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	56000000	USD
CY2012Q1	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	105000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	68000000	USD
CY2012Q1	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	109000000	USD
CY2011Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	107000000	USD
CY2012Q1	us-gaap	Off Market Lease Unfavorable OffMarketLeaseUnfavorable	301000000	USD
CY2011Q4	us-gaap	Off Market Lease Unfavorable OffMarketLeaseUnfavorable	311000000	USD
CY2012Q1	luv	Total Recorded Lfmp Construction Costs TotalRecordedLfmpConstructionCosts	239000000	USD
CY2011Q4	luv	Total Recorded Lfmp Construction Costs TotalRecordedLfmpConstructionCosts	202000000	USD
CY2012Q1	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	275000000	USD
CY2011Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	290000000	USD
CY2012Q1	us-gaap	Debt Instrument Issuance Date DebtInstrumentIssuanceDate	March 1, 2002
CY2012Q1	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	385000000	USD
CY2012Q1	us-gaap	Debt Instrument Maturity Date DebtInstrumentMaturityDate	2012-03-01
CY2012Q1	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.065	pure
CY2012Q1	luv	Expected Total Cost Of Airport Project ExpectedTotalCostOfAirportProject	519000000	USD
CY2012Q1	luv	Municipal Bonds Issued MunicipalBondsIssued	310000000	USD
CY2012Q1	luv	Auction Rate Securities Auction Frequency AuctionRateSecuritiesAuctionFrequency	30-35 days
CY2012Q1	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	13000000	USD
CY2008Q1	us-gaap	Availableforsale Securities Failed Auction Value AvailableforsaleSecuritiesFailedAuctionValue	463000000	USD
CY2012Q1	us-gaap	Availableforsale Securities Sold At Par AvailableforsaleSecuritiesSoldAtPar	382000000	USD
CY2012Q1	luv	Auction Rate Securities Lower Remaining Maturity Range AuctionRateSecuritiesLowerRemainingMaturityRange	7	Years
CY2012Q1	luv	Auction Rate Securities Higher Remaining Maturity Range AuctionRateSecuritiesHigherRemainingMaturityRange	36	Years
CY2012Q1	us-gaap	Financial Instruments Owned Us Government And Agency Obligations At Fair Value FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue	1994000000	USD
CY2012Q1	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	58000000	USD
CY2012Q1	us-gaap	Other Assets Fair Value Disclosure OtherAssetsFairValueDisclosure	48000000	USD
CY2012Q1	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	123000000	USD
CY2012Q1	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	125000000	USD
CY2012Q1	us-gaap	Assets Fair Value Disclosure Recurring AssetsFairValueDisclosureRecurring	5573000000	USD
CY2012Q1	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	1679000000	USD
CY2011Q4	us-gaap	Financial Instruments Owned Us Government And Agency Obligations At Fair Value FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue	2014000000	USD
CY2011Q4	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	66000000	USD
CY2011Q4	us-gaap	Other Assets Fair Value Disclosure OtherAssetsFairValueDisclosure	43000000	USD
CY2011Q4	us-gaap	Assets Fair Value Disclosure Recurring AssetsFairValueDisclosureRecurring	4579000000	USD
CY2011Q4	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	132000000	USD
CY2011Q4	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	121000000	USD
CY2011Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	1531000000	USD
CY2012Q1	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	-179000000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityGainLossIncludedInOtherComprehensiveIncomeLoss	205000000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	172000000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	396000000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	14000000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	635000000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings	178000000	USD
CY2011Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	489000000	USD

Files In Submission

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luv-20120331.xml	Edgar Link	completed
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$LUV
SOUTHWEST AIRLINES CO Stock $luv

2012 Q1 Form 10-Q Financial Statement

#000009238012000016 Filed on April 25, 2012

Income Statement

Balance Sheet

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$LUV SOUTHWEST AIRLINES CO Stock $luv

2012 Q1 Form 10-Q Financial Statement

#000009238012000016 Filed on April 25, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LUV
SOUTHWEST AIRLINES CO Stock $luv