UBmatrix Calculation Trace Report
Line Concept Weight Decimals Precision Reported Calculated Source Message
1 Extended Link [ http://swa.com/role/StatementOfOperations ]
2 Context c00007 [ 2009-04-01 - 2009-06-30 ]
c-equal
3 Unit u000
u-equal
us-gaap:NetIncomeLoss -6 [2] 54000000 250,000,000 Instance Inconsistency found, calculated value is 250,000,000
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 1.0 -6 [2] 50000000 50,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 -6 [1] -4000000 -4,000,000 Instance
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 123000000 123,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 2616000000 2,616,000,000 Instance OK
us-gaap:PassengerRevenue 1.0 -6 [4] 2506000000 2,506,000,000 Instance
us-gaap:CargoAndFreightRevenue 1.0 -6 [2] 29000000 29,000,000 Instance
us-gaap:OtherSalesRevenueNet 1.0 -6 [2] 81000000 81,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 2493000000 2,493,000,000 Instance OK
luv:SalariesWagesAndbenefits 1.0 -6 [3] 863000000 863,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [3] 726000000 726,000,000 Instance
luv:MaintenanceMaterialsAndRepairs 1.0 -6 [3] 190000000 190,000,000 Instance
luv:AircraftRental 1.0 -6 [2] 47000000 47,000,000 Instance
luv:LandingFeesAndOtherRentals 1.0 -6 [3] 179000000 179,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 150000000 150,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 -6 [3] 338000000 338,000,000 Instance
luv:TotalOtherExpensesIncome 1.0 -6 [2] 73000000 73,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [2] 47000000 47,000,000 Instance
us-gaap:InterestCostsCapitalized 1.0 -6 [1] -5000000 -5,000,000 Instance
us-gaap:InvestmentIncomeInterest 1.0 -6 [1] -3000000 -3,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 -6 [2] 34000000 34,000,000 Instance
2 Context c00008 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit u000
u-equal
us-gaap:NetIncomeLoss -6 [2] -37000000 170,000,000 Instance Inconsistency found, calculated value is 170,000,000
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 1.0 -6 [2] -57000000 -57,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 -6 [2] -20000000 -20,000,000 Instance
us-gaap:OperatingIncomeLoss 1.0 -6 [2] 73000000 73,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 4972000000 4,972,000,000 Instance OK
us-gaap:PassengerRevenue 1.0 -6 [4] 4758000000 4,758,000,000 Instance
us-gaap:CargoAndFreightRevenue 1.0 -6 [2] 58000000 58,000,000 Instance
us-gaap:OtherSalesRevenueNet 1.0 -6 [3] 156000000 156,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 4899000000 4,899,000,000 Instance OK
luv:SalariesWagesAndbenefits 1.0 -6 [4] 1699000000 1,699,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [4] 1423000000 1,423,000,000 Instance
luv:MaintenanceMaterialsAndRepairs 1.0 -6 [3] 373000000 373,000,000 Instance
luv:AircraftRental 1.0 -6 [2] 93000000 93,000,000 Instance
luv:LandingFeesAndOtherRentals 1.0 -6 [3] 345000000 345,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 300000000 300,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 -6 [3] 666000000 666,000,000 Instance
luv:TotalOtherExpensesIncome 1.0 -6 [3] 130000000 130,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [2] 92000000 92,000,000 Instance
us-gaap:InterestCostsCapitalized 1.0 -6 [2] -11000000 -11,000,000 Instance
us-gaap:InvestmentIncomeInterest 1.0 -6 [1] -8000000 -8,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 -6 [2] 57000000 57,000,000 Instance
2 Context c00009 [ 2008-04-01 - 2008-06-30 ]
c-equal
3 Unit u000
u-equal
us-gaap:NetIncomeLoss -6 [3] 321000000 202,000,000 Instance Inconsistency found, calculated value is 202,000,000
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 1.0 -6 [3] 529000000 529,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 -6 [3] 208000000 208,000,000 Instance
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 205000000 205,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 2869000000 2,869,000,000 Instance OK
us-gaap:PassengerRevenue 1.0 -6 [4] 2747000000 2,747,000,000 Instance
us-gaap:CargoAndFreightRevenue 1.0 -6 [2] 37000000 37,000,000 Instance
us-gaap:OtherSalesRevenueNet 1.0 -6 [2] 85000000 85,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 2664000000 2,664,000,000 Instance OK
luv:SalariesWagesAndbenefits 1.0 -6 [3] 839000000 839,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [3] 945000000 945,000,000 Instance
luv:MaintenanceMaterialsAndRepairs 1.0 -6 [3] 191000000 191,000,000 Instance
luv:AircraftRental 1.0 -6 [2] 38000000 38,000,000 Instance
luv:LandingFeesAndOtherRentals 1.0 -6 [3] 159000000 159,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 148000000 148,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 -6 [3] 344000000 344,000,000 Instance
luv:TotalOtherExpensesIncome 1.0 -6 [3] -324000000 -324,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [2] 32000000 32,000,000 Instance
us-gaap:InterestCostsCapitalized 1.0 -6 [1] -6000000 -6,000,000 Instance
us-gaap:InvestmentIncomeInterest 1.0 -6 [1] -5000000 -5,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 -6 [3] -345000000 -345,000,000 Instance
2 Context c00010 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit u000
u-equal
us-gaap:NetIncomeLoss -6 [3] 355000000 375,000,000 Instance Inconsistency found, calculated value is 375,000,000
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 1.0 -6 [3] 566000000 566,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 -6 [3] 211000000 211,000,000 Instance
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 293000000 293,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 5399000000 5,399,000,000 Instance OK
us-gaap:PassengerRevenue 1.0 -6 [4] 5161000000 5,161,000,000 Instance
us-gaap:CargoAndFreightRevenue 1.0 -6 [2] 71000000 71,000,000 Instance
us-gaap:OtherSalesRevenueNet 1.0 -6 [3] 167000000 167,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 5106000000 5,106,000,000 Instance OK
luv:SalariesWagesAndbenefits 1.0 -6 [4] 1639000000 1,639,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [4] 1745000000 1,745,000,000 Instance
luv:MaintenanceMaterialsAndRepairs 1.0 -6 [3] 333000000 333,000,000 Instance
luv:AircraftRental 1.0 -6 [2] 76000000 76,000,000 Instance
luv:LandingFeesAndOtherRentals 1.0 -6 [3] 330000000 330,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 293000000 293,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 -6 [3] 690000000 690,000,000 Instance
luv:TotalOtherExpensesIncome 1.0 -6 [3] -273000000 -273,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [2] 60000000 60,000,000 Instance
us-gaap:InterestCostsCapitalized 1.0 -6 [2] -14000000 -14,000,000 Instance
us-gaap:InvestmentIncomeInterest 1.0 -6 [2] -12000000 -12,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 -6 [3] -307000000 -307,000,000 Instance


1 Extended Link [ http://swa.com/role/BalanceSheet ]
2 Context c00002 [ 2008-12-31 - ]
c-equal
3 Unit u000
u-equal
us-gaap:Assets -6 [5] 14068000000 14,068,000,000 Instance OK
us-gaap:AssetsCurrent 1.0 -6 [4] 2653000000 2,653,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 -6 [4] 1368000000 1,368,000,000 Instance
us-gaap:ShortTermInvestments 1.0 -6 [3] 435000000 435,000,000 Instance
luv:AccountsAndOtherReceivables 1.0 -6 [3] 209000000 209,000,000 Instance
luv:InventoriesOfPartsAndSuppliesAtCost 1.0 -6 [3] 203000000 203,000,000 Instance
luv:PrepaidExpensesAndOtherCurrentAssets 1.0 -6 [2] 73000000 73,000,000 Instance
us-gaap:DeferredTaxAssetsNetCurrent 1.0 -6 [3] 365000000 365,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 -6 [5] 11040000000 11,040,000,000 Instance OK
us-gaap:PropertyPlantAndEquipmentGross 1.0 -6 [5] 15871000000 15,871,000,000 Instance OK
luv:FlightEquipment 1.0 -6 [5] 13722000000 13,722,000,000 Instance
luv:GroundPropertyAndEquipment 1.0 -6 [4] 1769000000 1,769,000,000 Instance
luv:DepositsOnFlightEquipmentPurchaseContracts 1.0 -6 [3] 380000000 380,000,000 Instance
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment -1.0 -6 [4] 4831000000 4,831,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 -6 [3] 375000000 375,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity -6 [5] 14068000000 14,068,000,000 Instance OK
us-gaap:LiabilitiesCurrent 1.0 -6 [4] 2806000000 2,806,000,000 Instance OK
us-gaap:AccountsPayable 1.0 -6 [3] 668000000 668,000,000 Instance
us-gaap:AccruedLiabilities 1.0 -6 [4] 1012000000 1,012,000,000 Instance
us-gaap:LongTermDebtCurrent 1.0 -6 [3] 163000000 163,000,000 Instance
us-gaap:DeferredAirTrafficRevenue 1.0 -6 [3] 963000000 963,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 -6 [4] 3498000000 3,498,000,000 Instance
us-gaap:DeferredTaxLiabilitiesNoncurrent 1.0 -6 [4] 1904000000 1,904,000,000 Instance
luv:DeferredGainsFromSaleandLeasebackOfAircraft 1.0 -6 [3] 105000000 105,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 -6 [3] 802000000 802,000,000 Instance
us-gaap:StockholdersEquity 1.0 -6 [4] 4953000000 6,963,000,000 Instance Inconsistency found, calculated value is 6,963,000,000
us-gaap:CommonStockValue 1.0 -6 [3] 808000000 808,000,000 Instance
us-gaap:AdditionalPaidInCapitalCommonStock 1.0 -6 [4] 1215000000 1,215,000,000 Instance
us-gaap:TreasuryStockValue -1.0 -6 [4] -1005000000 -1,005,000,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 -6 [3] -984000000 -984,000,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 -6 [4] 4919000000 4,919,000,000 Instance
2 Context c00006 [ 2009-06-30 - ]
c-equal
3 Unit u000
u-equal
us-gaap:Assets -6 [5] 14027000000 14,027,000,000 Instance OK
us-gaap:AssetsCurrent 1.0 -6 [4] 3094000000 3,094,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 -6 [3] 946000000 946,000,000 Instance
us-gaap:ShortTermInvestments 1.0 -6 [4] 1252000000 1,252,000,000 Instance
luv:AccountsAndOtherReceivables 1.0 -6 [3] 237000000 237,000,000 Instance
luv:InventoriesOfPartsAndSuppliesAtCost 1.0 -6 [3] 200000000 200,000,000 Instance
luv:PrepaidExpensesAndOtherCurrentAssets 1.0 -6 [2] 94000000 94,000,000 Instance
us-gaap:DeferredTaxAssetsNetCurrent 1.0 -6 [3] 365000000 365,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 -6 [5] 10661000000 10,661,000,000 Instance OK
us-gaap:PropertyPlantAndEquipmentGross 1.0 -6 [5] 15743000000 15,743,000,000 Instance OK
luv:FlightEquipment 1.0 -6 [5] 13690000000 13,690,000,000 Instance
luv:GroundPropertyAndEquipment 1.0 -6 [4] 1849000000 1,849,000,000 Instance
luv:DepositsOnFlightEquipmentPurchaseContracts 1.0 -6 [3] 204000000 204,000,000 Instance
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment -1.0 -6 [4] 5082000000 5,082,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 -6 [3] 272000000 272,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity -6 [5] 14027000000 14,027,000,000 Instance OK
us-gaap:LiabilitiesCurrent 1.0 -6 [4] 3073000000 3,073,000,000 Instance OK
us-gaap:AccountsPayable 1.0 -6 [3] 732000000 732,000,000 Instance
us-gaap:AccruedLiabilities 1.0 -6 [4] 1029000000 1,029,000,000 Instance
us-gaap:LongTermDebtCurrent 1.0 -6 [3] 105000000 105,000,000 Instance
us-gaap:DeferredAirTrafficRevenue 1.0 -6 [4] 1207000000 1,207,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 -6 [4] 3278000000 3,278,000,000 Instance
us-gaap:DeferredTaxLiabilitiesNoncurrent 1.0 -6 [4] 1921000000 1,921,000,000 Instance
luv:DeferredGainsFromSaleandLeasebackOfAircraft 1.0 -6 [3] 128000000 128,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 -6 [3] 481000000 481,000,000 Instance
us-gaap:StockholdersEquity 1.0 -6 [4] 5146000000 7,118,000,000 Instance Inconsistency found, calculated value is 7,118,000,000
us-gaap:CommonStockValue 1.0 -6 [3] 808000000 808,000,000 Instance
us-gaap:AdditionalPaidInCapitalCommonStock 1.0 -6 [4] 1223000000 1,223,000,000 Instance
us-gaap:TreasuryStockValue -1.0 -6 [3] -986000000 -986,000,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 -6 [3] -762000000 -762,000,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 -6 [4] 4863000000 4,863,000,000 Instance


1 Extended Link [ http://swa.com/role/CashFlow ]
2 Context c00007 [ 2009-04-01 - 2009-06-30 ]
c-equal
3 Unit u000
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease -6 [3] -199000000 -199,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 -6 [3] 135000000 135,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [2] 54000000 54,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 150000000 150,000,000 Instance
luv:AmortizationOfDeferredGainsOnSaleAndLeasebackOfAircraft 1.0 -6 [1] -4000000 -4,000,000 Instance
us-gaap:ShareBasedCompensation 1.0 -6 [1] 3000000 3,000,000 Instance
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -6 [1] -4000000 -4,000,000 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities 1.0 -6 [1] -5000000 -5,000,000 Instance
luv:CollateralReceivedFromProvidedToFuelDerivativeCounterparties 1.0 -6 [3] -125000000 -125,000,000 Instance
luv:FuelDerivativeInstruments 1.0 -6 [2] 54000000 54,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables 1.0 -6 [1] -6000000 -6,000,000 Instance
luv:IncreaseDecreaseInOtherCurrentOperatingAssets 1.0 -6 [2] -28000000 -28,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 -6 [3] 104000000 104,000,000 Instance
us-gaap:IncreaseDecreaseInAirTrafficLiability 1.0 -6 [2] -43000000 -43,000,000 Instance
luv:PaymentsForProceedsFromOtherOperatingActivities 1.0 -6 [2] -15000000 -15,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 -6 [3] -377000000 2,780,000,000 Instance Inconsistency found, calculated value is 2,780,000,000
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 -6 [3] -187000000 -187,000,000 Instance
us-gaap:PaymentsToAcquireShortTermInvestments -1.0 -6 [4] -1394000000 -1,394,000,000 Instance
us-gaap:ProceedsFromSaleOfShortTermInvestments 1.0 -6 [4] 1203000000 1,203,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 -6 [1] 1000000 1,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 -6 [2] 43000000 1,000,000,000 Instance Inconsistency found, calculated value is 1,000,000,000
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 -6 [3] 332000000 332,000,000 Instance
luv:LeasebackTransactionGrossProceeds 1.0 -6 [3] 208000000 208,000,000 Instance
us-gaap:ProceedsFromStockPlans 1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:PaymentsForRepurchaseOfCommonStock -1.0 -6 [0] 0 0 Instance
luv:PaymentsOfLong-TermDebtAndCapitalLeaseObligations 1.0 -6 [1] -7000000 -7,000,000 Instance
us-gaap:RepaymentsOfLinesOfCredit -1.0 -6 [3] -400000000 -400,000,000 Instance
us-gaap:RepaymentsOfOtherShortTermDebt -1.0 -6 [2] -91000000 -91,000,000 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:PaymentsOfDividends -1.0 -6 [1] -3000000 -3,000,000 Instance
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities 1.0 -6 [1] -5000000 -5,000,000 Instance
2 Context c00008 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit u000
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease -6 [3] -422000000 -422,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 -6 [3] 420000000 420,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [2] -37000000 -37,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 300000000 300,000,000 Instance
luv:AmortizationOfDeferredGainsOnSaleAndLeasebackOfAircraft 1.0 -6 [1] -7000000 -7,000,000 Instance
us-gaap:ShareBasedCompensation 1.0 -6 [1] 6000000 6,000,000 Instance
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -6 [2] -25000000 -25,000,000 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities 1.0 -6 [1] -1000000 -1,000,000 Instance
luv:CollateralReceivedFromProvidedToFuelDerivativeCounterparties 1.0 -6 [3] -185000000 -185,000,000 Instance
luv:FuelDerivativeInstruments 1.0 -6 [3] 124000000 124,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables 1.0 -6 [2] -28000000 -28,000,000 Instance
luv:IncreaseDecreaseInOtherCurrentOperatingAssets 1.0 -6 [2] -18000000 -18,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 -6 [3] 104000000 104,000,000 Instance
us-gaap:IncreaseDecreaseInAirTrafficLiability 1.0 -6 [3] 244000000 244,000,000 Instance
luv:PaymentsForProceedsFromOtherOperatingActivities 1.0 -6 [2] -57000000 -57,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 -6 [4] -1014000000 5,708,000,000 Instance Inconsistency found, calculated value is 5,708,000,000
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 -6 [3] -272000000 -272,000,000 Instance
us-gaap:PaymentsToAcquireShortTermInvestments -1.0 -6 [4] -3090000000 -3,090,000,000 Instance
us-gaap:ProceedsFromSaleOfShortTermInvestments 1.0 -6 [4] 2347000000 2,347,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 -6 [1] 1000000 1,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 -6 [3] 172000000 1,170,000,000 Instance Inconsistency found, calculated value is 1,170,000,000
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 -6 [3] 332000000 332,000,000 Instance
luv:LeasebackTransactionGrossProceeds 1.0 -6 [3] 381000000 381,000,000 Instance
us-gaap:ProceedsFromStockPlans 1.0 -6 [1] 8000000 8,000,000 Instance
us-gaap:PaymentsForRepurchaseOfCommonStock -1.0 -6 [0] 0 0 Instance
luv:PaymentsOfLong-TermDebtAndCapitalLeaseObligations 1.0 -6 [2] -41000000 -41,000,000 Instance
us-gaap:RepaymentsOfLinesOfCredit -1.0 -6 [3] -400000000 -400,000,000 Instance
us-gaap:RepaymentsOfOtherShortTermDebt -1.0 -6 [2] -91000000 -91,000,000 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 1.0 -6 [1] 1000000 1,000,000 Instance
us-gaap:PaymentsOfDividends -1.0 -6 [2] -10000000 -10,000,000 Instance
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities 1.0 -6 [1] -8000000 -8,000,000 Instance
2 Context c00009 [ 2008-04-01 - 2008-06-30 ]
c-equal
3 Unit u000
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease -6 [4] 1671000000 1,671,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 -6 [4] 2336000000 2,336,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 321000000 321,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 148000000 148,000,000 Instance
luv:AmortizationOfDeferredGainsOnSaleAndLeasebackOfAircraft 1.0 -6 [1] -3000000 -3,000,000 Instance
us-gaap:ShareBasedCompensation 1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -6 [3] 135000000 135,000,000 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities 1.0 -6 [1] 3000000 3,000,000 Instance
luv:CollateralReceivedFromProvidedToFuelDerivativeCounterparties 1.0 -6 [4] 1865000000 1,865,000,000 Instance
luv:FuelDerivativeInstruments 1.0 -6 [3] -324000000 -324,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables 1.0 -6 [2] -97000000 -97,000,000 Instance
luv:IncreaseDecreaseInOtherCurrentOperatingAssets 1.0 -6 [2] -37000000 -37,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 -6 [3] 286000000 286,000,000 Instance
us-gaap:IncreaseDecreaseInAirTrafficLiability 1.0 -6 [3] 105000000 105,000,000 Instance
luv:PaymentsForProceedsFromOtherOperatingActivities 1.0 -6 [2] -71000000 -71,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 -6 [4] -1264000000 3,634,000,000 Instance Inconsistency found, calculated value is 3,634,000,000
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 -6 [3] -223000000 -223,000,000 Instance
us-gaap:PaymentsToAcquireShortTermInvestments -1.0 -6 [4] -2226000000 -2,226,000,000 Instance
us-gaap:ProceedsFromSaleOfShortTermInvestments 1.0 -6 [4] 1185000000 1,185,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 -6 [0] 0 0 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 -6 [3] 599000000 605,000,000 Instance Inconsistency found, calculated value is 605,000,000
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 -6 [3] 600000000 600,000,000 Instance
luv:LeasebackTransactionGrossProceeds 1.0 -6 [0] 0 0 Instance
us-gaap:ProceedsFromStockPlans 1.0 -6 [2] 17000000 17,000,000 Instance
us-gaap:PaymentsForRepurchaseOfCommonStock -1.0 -6 [0] 0 0 Instance
luv:PaymentsOfLong-TermDebtAndCapitalLeaseObligations 1.0 -6 [1] -6000000 -6,000,000 Instance
us-gaap:RepaymentsOfLinesOfCredit -1.0 -6 [0] 0 0 Instance
us-gaap:RepaymentsOfOtherShortTermDebt -1.0 -6 [0] 0 0 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 1.0 -6 [1] -3000000 -3,000,000 Instance
us-gaap:PaymentsOfDividends -1.0 -6 [1] -3000000 -3,000,000 Instance
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities 1.0 -6 [1] -6000000 -6,000,000 Instance
2 Context c00010 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit u000
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease -6 [4] 2440000000 2,440,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 -6 [4] 3300000000 3,300,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 355000000 355,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 293000000 293,000,000 Instance
luv:AmortizationOfDeferredGainsOnSaleAndLeasebackOfAircraft 1.0 -6 [1] -6000000 -6,000,000 Instance
us-gaap:ShareBasedCompensation 1.0 -6 [1] 9000000 9,000,000 Instance
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -6 [3] 129000000 129,000,000 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities 1.0 -6 [1] 3000000 3,000,000 Instance
luv:CollateralReceivedFromProvidedToFuelDerivativeCounterparties 1.0 -6 [4] 2435000000 2,435,000,000 Instance
luv:FuelDerivativeInstruments 1.0 -6 [3] -290000000 -290,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables 1.0 -6 [3] -167000000 -167,000,000 Instance
luv:IncreaseDecreaseInOtherCurrentOperatingAssets 1.0 -6 [2] -50000000 -50,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 -6 [3] 333000000 333,000,000 Instance
us-gaap:IncreaseDecreaseInAirTrafficLiability 1.0 -6 [3] 372000000 372,000,000 Instance
luv:PaymentsForProceedsFromOtherOperatingActivities 1.0 -6 [3] -116000000 -116,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 -6 [4] -1389000000 6,679,000,000 Instance Inconsistency found, calculated value is 6,679,000,000
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 -6 [3] -587000000 -587,000,000 Instance
us-gaap:PaymentsToAcquireShortTermInvestments -1.0 -6 [4] -3447000000 -3,447,000,000 Instance
us-gaap:ProceedsFromSaleOfShortTermInvestments 1.0 -6 [4] 2645000000 2,645,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 -6 [0] 0 0 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 -6 [3] 529000000 657,000,000 Instance Inconsistency found, calculated value is 657,000,000
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 -6 [3] 600000000 600,000,000 Instance
luv:LeasebackTransactionGrossProceeds 1.0 -6 [0] 0 0 Instance
us-gaap:ProceedsFromStockPlans 1.0 -6 [2] 27000000 27,000,000 Instance
us-gaap:PaymentsForRepurchaseOfCommonStock -1.0 -6 [2] -54000000 -54,000,000 Instance
luv:PaymentsOfLong-TermDebtAndCapitalLeaseObligations 1.0 -6 [2] -25000000 -25,000,000 Instance
us-gaap:RepaymentsOfLinesOfCredit -1.0 -6 [0] 0 0 Instance
us-gaap:RepaymentsOfOtherShortTermDebt -1.0 -6 [0] 0 0 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 1.0 -6 [1] -3000000 -3,000,000 Instance
us-gaap:PaymentsOfDividends -1.0 -6 [2] -10000000 -10,000,000 Instance
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities 1.0 -6 [1] -6000000 -6,000,000 Instance


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