10-K Filing

ALASKA AIR GROUP, INC. CIK: 766421 FY 2019

Filing Information

Form Type	10-K
Accession Number	`0000766421-20-000013`
Period End Date	20191231
Filing Date	20200212
Fiscal Year	2019
Fiscal Period	FY
XBRL Instance	alk-20191231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 89 Income Statement 95 Cash Flow Statement 102 Stockholders Equity 35 Comprehensive Income 45

Balance Sheet 89 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$194.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$221.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$105.00M	USD	Point-in-time
Marketable securities	`AvailableForSaleSecuritiesCurrent`	$1.30B	USD	Point-in-time
Marketable securities	`AvailableForSaleSecuritiesCurrent`	$1.13B	USD	Point-in-time
Total cash and marketable securities	`CashCashEquivalentsAndShortTermInvestments`	$1.52B	USD	Point-in-time
Total cash and marketable securities	`CashCashEquivalentsAndShortTermInvestments`	$1.24B	USD	Point-in-time
Receivables - net	`ReceivablesNetCurrent`	$366.00M	USD	Point-in-time
Receivables - net	`ReceivablesNetCurrent`	$323.00M	USD	Point-in-time
Inventories and supplies - net	`InventoryNet`	$60.00M	USD	Point-in-time
Inventories and supplies - net	`InventoryNet`	$72.00M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$125.00M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$121.00M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$2.04B	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$1.79B	USD	Point-in-time
Aircraft and other flight equipment	`FlightEquipmentGross`	$8.22B	USD	Point-in-time
Aircraft and other flight equipment	`FlightEquipmentGross`	$8.55B	USD	Point-in-time
Other property and equipment	`PropertyPlantAndEquipmentOther`	$1.36B	USD	Point-in-time
Other property and equipment	`PropertyPlantAndEquipmentOther`	$1.31B	USD	Point-in-time
Deposits for future flight equipment	`DepositsOnFlightEquipment`	$439.00M	USD	Point-in-time
Deposits for future flight equipment	`DepositsOnFlightEquipment`	$533.00M	USD	Point-in-time
Property and Equipment	`PropertyPlantAndEquipmentGross`	$10.39B	USD	Point-in-time
Property and Equipment	`PropertyPlantAndEquipmentGross`	$10.02B	USD	Point-in-time
Less accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.24B	USD	Point-in-time
Less accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.49B	USD	Point-in-time
Total Property and Equipment - Net	`PropertyPlantAndEquipmentNet`	$6.78B	USD	Point-in-time
Total Property and Equipment - Net	`PropertyPlantAndEquipmentNet`	$6.90B	USD	Point-in-time
Operating Lease, Right-of-Use Asset	`OperatingLeaseRightOfUseAsset`	-	USD	Point-in-time
Operating Lease, Right-of-Use Asset	`OperatingLeaseRightOfUseAsset`	$1.71B	USD	Point-in-time
Goodwill	`Goodwill`	$1.94B	USD	Point-in-time
Goodwill	`Goodwill`	$1.94B	USD	Point-in-time
Intangible assets - net	`IntangibleAssetsNetExcludingGoodwill`	$122.00M	USD	Point-in-time
Intangible assets - net	`IntangibleAssetsNetExcludingGoodwill`	$127.00M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$274.00M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$278.00M	USD	Point-in-time
Total Other Assets	`OtherAssets`	$4.05B	USD	Point-in-time
Total Other Assets	`OtherAssets`	$2.34B	USD	Point-in-time
Total Assets	`Assets`	$12.99B	USD	Point-in-time
Total Assets	`Assets`	$10.91B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$146.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$132.00M	USD	Point-in-time
Accrued wages, vacation and payroll taxes	`EmployeeRelatedLiabilitiesCurrent`	$415.00M	USD	Point-in-time
Accrued wages, vacation and payroll taxes	`EmployeeRelatedLiabilitiesCurrent`	$470.00M	USD	Point-in-time
Air traffic liability	`ContractWithCustomerLiabilityCurrent`	$900.00M	USD	Point-in-time
Air traffic liability	`ContractWithCustomerLiabilityCurrent`	$788.00M	USD	Point-in-time
Other accrued liabilities	`AccruedLiabilitiesCurrent`	$431.00M	USD	Point-in-time
Other accrued liabilities	`AccruedLiabilitiesCurrent`	$416.00M	USD	Point-in-time
Deferred revenue	`DeferredRevenueCurrent`	$750.00M	USD	Point-in-time
Deferred revenue	`DeferredRevenueCurrent`	$705.00M	USD	Point-in-time
Operating Lease, Liability, Current	`OperatingLeaseLiabilityCurrent`	$269.00M	USD	Point-in-time
Operating Lease, Liability, Current	`OperatingLeaseLiabilityCurrent`	-	USD	Point-in-time
Current portion of long-term debt	`DebtCurrent`	$235.00M	USD	Point-in-time
Current portion of long-term debt	`DebtCurrent`	$486.00M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$2.94B	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$3.20B	USD	Point-in-time
Long-Term Debt, Net of Current Portion	`LongTermDebtNoncurrent`	$1.62B	USD	Point-in-time
Long-Term Debt, Net of Current Portion	`LongTermDebtNoncurrent`	$1.26B	USD	Point-in-time
Operating Lease, Liability, Noncurrent	`OperatingLeaseLiabilityNoncurrent`	-	USD	Point-in-time
Operating Lease, Liability, Noncurrent	`OperatingLeaseLiabilityNoncurrent`	$1.44B	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$715.00M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$512.00M	USD	Point-in-time
Deferred revenue	`DeferredRevenueNoncurrent`	$1.17B	USD	Point-in-time
Deferred revenue	`DeferredRevenueNoncurrent`	$1.24B	USD	Point-in-time
Obligation for pension and postretirement medical benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$571.00M	USD	Point-in-time
Obligation for pension and postretirement medical benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$503.00M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$232.00M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$418.00M	USD	Point-in-time
Total Other Liabilities and Credits	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.60B	USD	Point-in-time
Total Other Liabilities and Credits	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$4.20B	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, $0.01 par value, Authorized: 5,000,000 shares, none issued or outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value, Authorized: 5,000,000 shares, none issued or outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $0.01 par value, Authorized: 400,000,000 shares, Issued: 2019 - 131,812,173 shares; 2018 - 130,813,476 shares, Outstanding: 2019 - 123,000,307 shares; 2018 - 123,194,430 shares	`CommonStockValue`	$1.00M	USD	Point-in-time
Common stock, $0.01 par value, Authorized: 400,000,000 shares, Issued: 2019 - 131,812,173 shares; 2018 - 130,813,476 shares, Outstanding: 2019 - 123,000,307 shares; 2018 - 123,194,430 shares	`CommonStockValue`	$1.00M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$305.00M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$232.00M	USD	Point-in-time
Treasury stock (common), at cost: 2019 - 8,811,866 shares; 2018 - 7,619,046 shares	`TreasuryStockValue`	$643.00M	USD	Point-in-time
Treasury stock (common), at cost: 2019 - 8,811,866 shares; 2018 - 7,619,046 shares	`TreasuryStockValue`	$568.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-465.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-448.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$4.53B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.13B	USD	Point-in-time
Shareholders' Equity Total	`StockholdersEquity`	$2.74B	USD	Point-in-time
Shareholders' Equity Total	`StockholdersEquity`	$4.33B	USD	Point-in-time
Shareholders' Equity Total	`StockholdersEquity`	$3.46B	USD	Point-in-time
Shareholders' Equity Total	`StockholdersEquity`	$3.75B	USD	Point-in-time
Total Liabilities and Shareholders' Equity	`LiabilitiesAndStockholdersEquity`	$10.91B	USD	Point-in-time
Total Liabilities and Shareholders' Equity	`LiabilitiesAndStockholdersEquity`	$12.99B	USD	Point-in-time

Income Statement 95 line items

Line Item	Tag	Value	Unit	Period
Total Operating Revenues	`Revenues`	$8.26B	USD	Annual
Total Operating Revenues	`Revenues`	$7.89B	USD	Annual
Total Operating Revenues	`Revenues`	$8.78B	USD	Annual
Wages and benefits	`LaborAndRelatedExpense`	$1.93B	USD	Annual
Wages and benefits	`LaborAndRelatedExpense`	$2.19B	USD	Annual
Wages and benefits	`LaborAndRelatedExpense`	$2.37B	USD	Annual
Variable incentive pay	`VariableIncentiveCompensation`	$163.00M	USD	Annual
Variable incentive pay	`VariableIncentiveCompensation`	$147.00M	USD	Annual
Variable incentive pay	`VariableIncentiveCompensation`	$135.00M	USD	Annual
Aircraft fuel, including hedging gains and losses	`FuelCosts`	$1.45B	USD	Annual
Aircraft fuel, including hedging gains and losses	`FuelCosts`	$1.88B	USD	Annual
Aircraft fuel, including hedging gains and losses	`FuelCosts`	$1.94B	USD	Annual
Aircraft maintenance	`AircraftMaintenanceMaterialsAndRepairs`	$435.00M	USD	Annual
Aircraft maintenance	`AircraftMaintenanceMaterialsAndRepairs`	$391.00M	USD	Annual
Aircraft maintenance	`AircraftMaintenanceMaterialsAndRepairs`	$437.00M	USD	Annual
Aircraft rent	`AircraftRental`	$274.00M	USD	Annual
Aircraft rent	`AircraftRental`	$331.00M	USD	Annual
Aircraft rent	`AircraftRental`	$315.00M	USD	Annual
Landing fees and other rentals	`LandingFeesAndOtherRentals`	$499.00M	USD	Annual
Landing fees and other rentals	`LandingFeesAndOtherRentals`	$460.00M	USD	Annual
Landing fees and other rentals	`LandingFeesAndOtherRentals`	$531.00M	USD	Annual
Contracted services	`ProfessionalAndContractServicesExpense`	$306.00M	USD	Annual
Contracted services	`ProfessionalAndContractServicesExpense`	$289.00M	USD	Annual
Contracted services	`ProfessionalAndContractServicesExpense`	$314.00M	USD	Annual
Selling expense	`SellingExpense`	$326.00M	USD	Annual
Selling expense	`SellingExpense`	$313.00M	USD	Annual
Selling expense	`SellingExpense`	$368.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$372.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$398.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$423.00M	USD	Annual
Cost of Services, Catering	`CostOfServicesCatering`	$211.00M	USD	Annual
Cost of Services, Catering	`CostOfServicesCatering`	$214.00M	USD	Annual
Cost of Services, Catering	`CostOfServicesCatering`	$195.00M	USD	Annual
Third-party regional carrier expense	`RegionalCarrierExpense`	$166.00M	USD	Annual
Third-party regional carrier expense	`RegionalCarrierExpense`	$121.00M	USD	Annual
Third-party regional carrier expense	`RegionalCarrierExpense`	$154.00M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$559.00M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$562.00M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$572.00M	USD	Annual
Special items - merger-related costs	`BusinessCombinationAcquisitionRelatedCosts`	$116.00M	USD	Annual
Special items - merger-related costs	`BusinessCombinationAcquisitionRelatedCosts`	$87.00M	USD	Annual
Special items - merger-related costs	`BusinessCombinationAcquisitionRelatedCosts`	$44.00M	USD	Annual
Special itemsother	`Specialitemsother`	-	USD	Annual
Special itemsother	`Specialitemsother`	-	USD	Annual
Special itemsother	`Specialitemsother`	$45.00M	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$6.69B	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$7.72B	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$7.62B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.21B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.06B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$643.00M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$38.00M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$42.00M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$34.00M	USD	Annual
Interest expense	`InterestExpense`	$78.00M	USD	Annual
Interest expense	`InterestExpense`	$91.00M	USD	Annual
Interest expense	`InterestExpense`	$103.00M	USD	Annual
Interest capitalized	`InterestCostsCapitalizedAdjustment`	$15.00M	USD	Annual
Interest capitalized	`InterestCostsCapitalizedAdjustment`	$17.00M	USD	Annual
Interest capitalized	`InterestCostsCapitalizedAdjustment`	$18.00M	USD	Annual
Other - net	`OtherNonoperatingIncomeExpense`	$-23.00M	USD	Annual
Other - net	`OtherNonoperatingIncomeExpense`	$-26.00M	USD	Annual
Other - net	`OtherNonoperatingIncomeExpense`	$3.00M	USD	Annual
Nonoperating Income (Expense) Total	`NonoperatingIncomeExpense`	$-47.00M	USD	Annual
Nonoperating Income (Expense) Total	`NonoperatingIncomeExpense`	$-49.00M	USD	Annual
Nonoperating Income (Expense) Total	`NonoperatingIncomeExpense`	$-58.00M	USD	Annual
Income before income tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$585.00M	USD	Annual
Income before income tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$1.02B	USD	Annual
Income before income tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$1.16B	USD	Annual
Income Tax Expense, Before Tax Cuts and Jobs Act of 2017	`IncomeTaxExpenseBenefitBeforeTaxCutsandJobsActof2017`	$436.00M	USD	Annual
Income Tax Expense, Before Tax Cuts and Jobs Act of 2017	`IncomeTaxExpenseBenefitBeforeTaxCutsandJobsActof2017`	$247.00M	USD	Annual
Income Tax Expense, Before Tax Cuts and Jobs Act of 2017	`IncomeTaxExpenseBenefitBeforeTaxCutsandJobsActof2017`	$148.00M	USD	Annual
Special tax expense (benefit)	`SpecialTaxExpenseBenefit`	-	USD	Annual
Special tax expense (benefit)	`SpecialTaxExpenseBenefit`	-	USD	Annual
Special tax expense (benefit)	`SpecialTaxExpenseBenefit`	$-237.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$247.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$199.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$148.00M	USD	Annual
Net Income	`NetIncomeLoss`	$769.00M	USD	Annual
Net Income	`NetIncomeLoss`	$960.00M	USD	Annual
Net Income	`NetIncomeLoss`	$437.00M	USD	Annual
Basic earnings per share	`EarningsPerShareBasic`	$3.55	USD	Annual
Basic earnings per share	`EarningsPerShareBasic`	$6.24	USD	Annual
Basic earnings per share	`EarningsPerShareBasic`	$7.79	USD	Annual
Diluted earnings per share	`EarningsPerShareDiluted`	$3.52	USD	Annual
Diluted earnings per share	`EarningsPerShareDiluted`	$6.19	USD	Annual
Diluted earnings per share	`EarningsPerShareDiluted`	$7.75	USD	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	123.28M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	123.21M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	123.23M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	123.97M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	123.85M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	124.29M	shares	Annual
Cash dividend declared per share	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter
Cash dividend declared per share	`CommonStockDividendsPerShareDeclared`	$1.40	USD	Annual

Cash Flow Statement 102 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$194.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$221.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$105.00M	USD	Point-in-time
Restricted Cash and Investments, Current	`RestrictedCashAndInvestmentsCurrent`	$3.00M	USD	Point-in-time
Restricted Cash and Investments, Current	`RestrictedCashAndInvestmentsCurrent`	$11.00M	USD	Point-in-time
Restricted Cash and Investments, Current	`RestrictedCashAndInvestmentsCurrent`	$9.00M	USD	Point-in-time
Total cash, cash equivalents, and restricted cash at end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$114.00M	USD	Point-in-time
Net Income	`NetIncomeLoss`	$769.00M	USD	Annual
Total cash, cash equivalents, and restricted cash at end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$328.00M	USD	Point-in-time
Net Income	`NetIncomeLoss`	$960.00M	USD	Annual
Total cash, cash equivalents, and restricted cash at end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$197.00M	USD	Point-in-time
Total cash, cash equivalents, and restricted cash at end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$232.00M	USD	Point-in-time
Net Income	`NetIncomeLoss`	$437.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$372.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$398.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$423.00M	USD	Annual
Stock-based compensation and other	`ShareBasedCompensation`	$55.00M	USD	Annual
Stock-based compensation and other	`ShareBasedCompensation`	$29.00M	USD	Annual
Stock-based compensation and other	`ShareBasedCompensation`	$47.00M	USD	Annual
Changes in deferred tax provision	`IncreaseDecreaseInDeferredIncomeTaxes`	$-146.00M	USD	Annual
Changes in deferred tax provision	`IncreaseDecreaseInDeferredIncomeTaxes`	$-45.00M	USD	Annual
Changes in deferred tax provision	`IncreaseDecreaseInDeferredIncomeTaxes`	$-209.00M	USD	Annual
(Increase) decrease in accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-43.00M	USD	Annual
(Increase) decrease in accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$39.00M	USD	Annual
(Increase) decrease in accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$25.00M	USD	Annual
Increase (decrease) in air traffic liability	`IncreaseDecreaseInContractWithCustomerLiability`	$112.00M	USD	Annual
Increase (decrease) in air traffic liability	`IncreaseDecreaseInContractWithCustomerLiability`	$-18.00M	USD	Annual
Increase (decrease) in air traffic liability	`IncreaseDecreaseInContractWithCustomerLiability`	$45.00M	USD	Annual
Increase (decrease) in deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$149.00M	USD	Annual
Increase (decrease) in deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$116.00M	USD	Annual
Increase (decrease) in deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$191.00M	USD	Annual
Changes in pension and other postretirement benefits	`IncreaseDecreaseInPensionPlanObligations`	$68.00M	USD	Annual
Changes in pension and other postretirement benefits	`IncreaseDecreaseInPensionPlanObligations`	$17.00M	USD	Annual
Changes in pension and other postretirement benefits	`IncreaseDecreaseInPensionPlanObligations`	$52.00M	USD	Annual
Other - net	`OtherOperatingActivitiesCashFlowStatement`	$-41.00M	USD	Annual
Other - net	`OtherOperatingActivitiesCashFlowStatement`	$9.00M	USD	Annual
Other - net	`OtherOperatingActivitiesCashFlowStatement`	$18.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.20B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.72B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.59B	USD	Annual
Aircraft and aircraft purchase deposits	`PaymentsForFlightEquipment`	$686.00M	USD	Annual
Aircraft and aircraft purchase deposits	`PaymentsForFlightEquipment`	$804.00M	USD	Annual
Aircraft and aircraft purchase deposits	`PaymentsForFlightEquipment`	$356.00M	USD	Annual
Other flight equipment	`PaymentsToAcquireOtherProductiveAssets`	$105.00M	USD	Annual
Other flight equipment	`PaymentsToAcquireOtherProductiveAssets`	$96.00M	USD	Annual
Other flight equipment	`PaymentsToAcquireOtherProductiveAssets`	$178.00M	USD	Annual
Other property and equipment	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$162.00M	USD	Annual
Other property and equipment	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$169.00M	USD	Annual
Other property and equipment	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$126.00M	USD	Annual
Total property and equipment additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$696.00M	USD	Annual
Total property and equipment additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.03B	USD	Annual
Total property and equipment additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$960.00M	USD	Annual
Purchases of marketable securities	`PaymentsToAcquireMarketableSecurities`	$1.81B	USD	Annual
Purchases of marketable securities	`PaymentsToAcquireMarketableSecurities`	$834.00M	USD	Annual
Purchases of marketable securities	`PaymentsToAcquireMarketableSecurities`	$1.57B	USD	Annual
Sales and maturities of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$1.67B	USD	Annual
Sales and maturities of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$1.12B	USD	Annual
Sales and maturities of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$1.39B	USD	Annual
Proceeds from disposition of assets and changes in restricted deposits	`PaymentsForProceedsFromOtherInvestingActivities`	$-41.00M	USD	Annual
Proceeds from disposition of assets and changes in restricted deposits	`PaymentsForProceedsFromOtherInvestingActivities`	$-78.00M	USD	Annual
Proceeds from disposition of assets and changes in restricted deposits	`PaymentsForProceedsFromOtherInvestingActivities`	$-47.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-631.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.13B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-791.00M	USD	Annual
Proceeds from issuance of long-term debt, net of issuance costs	`ProceedsFromIssuanceOfDebt`	$339.00M	USD	Annual
Proceeds from issuance of long-term debt, net of issuance costs	`ProceedsFromIssuanceOfDebt`	$450.00M	USD	Annual
Proceeds from issuance of long-term debt, net of issuance costs	`ProceedsFromIssuanceOfDebt`	-	USD	Annual
Long-term debt payments	`RepaymentsOfLongTermDebt`	$1.06B	USD	Annual
Long-term debt payments	`RepaymentsOfLongTermDebt`	$807.00M	USD	Annual
Long-term debt payments	`RepaymentsOfLongTermDebt`	$397.00M	USD	Annual
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$75.00M	USD	Annual
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$75.00M	USD	Annual
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$50.00M	USD	Annual
Cash dividend paid	`PaymentsOfDividends`	$148.00M	USD	Annual
Cash dividend paid	`PaymentsOfDividends`	$158.00M	USD	Annual
Cash dividend paid	`PaymentsOfDividends`	$173.00M	USD	Annual
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$29.00M	USD	Annual
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$28.00M	USD	Annual
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$43.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-647.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-813.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-592.00M	USD	Annual
Net increase (decrease) in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-131.00M	USD	Annual
Net increase (decrease) in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-83.00M	USD	Annual
Net increase (decrease) in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$118.00M	USD	Annual
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$114.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$328.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$197.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$232.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$114.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$328.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$197.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$232.00M	USD	Point-in-time
Interest, net of amount capitalized	`InterestPaidNet`	$60.00M	USD	Annual
Interest, net of amount capitalized	`InterestPaidNet`	$84.00M	USD	Annual
Interest, net of amount capitalized	`InterestPaidNet`	$72.00M	USD	Annual
Income taxes, net of refunds received	`IncomeTaxesPaidNet`	-	USD	Annual
Income taxes, net of refunds received	`IncomeTaxesPaidNet`	$177.00M	USD	Annual
Income taxes, net of refunds received	`IncomeTaxesPaidNet`	$31.00M	USD	Annual
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$194.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$221.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$105.00M	USD	Point-in-time

Stockholders Equity 35 line items

Line Item	Tag	Value	Unit	Period
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect	`TaxCutsandJobsActReclassificationfromAOCItoRetainedEarningsTaxEffect`	-	USD	Annual
Stockholders' Equity	`StockholdersEquity`	$2.74B	USD	Point-in-time
Stockholders' Equity	`StockholdersEquity`	$4.33B	USD	Point-in-time
Stockholders' Equity	`StockholdersEquity`	$3.46B	USD	Point-in-time
Stockholders' Equity	`StockholdersEquity`	$3.75B	USD	Point-in-time
Cumulative Effect of New Accounting Principle in Period of Adoption	`CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption`	$3.00M	USD	Point-in-time
Common Stock Outstanding	`CommonStockSharesOutstanding`	123.19M	shares	Point-in-time
Common Stock Outstanding	`CommonStockSharesOutstanding`	123.00M	shares	Point-in-time
Net Income	`NetIncomeLoss`	$769.00M	USD	Annual
Net Income	`NetIncomeLoss`	$960.00M	USD	Annual
Net Income	`NetIncomeLoss`	$437.00M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-6.00M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-17.00M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-75.00M	USD	Annual
Common stock repurchase	`StockRepurchasedDuringPeriodValue`	$75.00M	USD	Annual
Common stock repurchase	`StockRepurchasedDuringPeriodValue`	$50.00M	USD	Annual
Common stock repurchase	`StockRepurchasedDuringPeriodValue`	$75.00M	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$36.00M	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$34.00M	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$36.00M	USD	Annual
Cash dividend declared ($1.20 per share)	`DividendsCash`	$148.00M	USD	Annual
Cash dividend declared ($1.20 per share)	`DividendsCash`	$173.00M	USD	Annual
Cash dividend declared ($1.20 per share)	`DividendsCash`	$158.00M	USD	Annual
Stock issued for employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$24.00M	USD	Annual
Stock issued for employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$35.00M	USD	Annual
Stock issued for employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$40.00M	USD	Annual
Stock issued under stock plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$-3.00M	USD	Annual
Stock issued under stock plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$-4.00M	USD	Annual
Stock issued under stock plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$-3.00M	USD	Annual
Stockholders' Equity	`StockholdersEquity`	$2.74B	USD	Point-in-time
Stockholders' Equity	`StockholdersEquity`	$4.33B	USD	Point-in-time
Stockholders' Equity	`StockholdersEquity`	$3.46B	USD	Point-in-time
Stockholders' Equity	`StockholdersEquity`	$3.75B	USD	Point-in-time
Common Stock Outstanding	`CommonStockSharesOutstanding`	123.19M	shares	Point-in-time
Common Stock Outstanding	`CommonStockSharesOutstanding`	123.00M	shares	Point-in-time

Comprehensive Income 45 line items

Line Item	Tag	Value	Unit	Period
Net Income	`NetIncomeLoss`	$769.00M	USD	Annual
Net Income	`NetIncomeLoss`	$960.00M	USD	Annual
Net Income	`NetIncomeLoss`	$437.00M	USD	Annual
Unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-4.00M	USD	Annual
Unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$31.00M	USD	Annual
Unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-14.00M	USD	Annual
Reclassification of (gains) losses into Other-net non-operating income (expense)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-1.00M	USD	Annual
Reclassification of (gains) losses into Other-net non-operating income (expense)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$5.00M	USD	Annual
Reclassification of (gains) losses into Other-net non-operating income (expense)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-8.00M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-2.00M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$6.00M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-1.00M	USD	Annual
Marketable securities, net of tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-4.00M	USD	Annual
Marketable securities, net of tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-2.00M	USD	Annual
Marketable securities, net of tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$20.00M	USD	Annual
Actuarial losses related to pension and other postretirement benefit plans	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$123.00M	USD	Annual
Actuarial losses related to pension and other postretirement benefit plans	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$34.00M	USD	Annual
Actuarial losses related to pension and other postretirement benefit plans	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$71.00M	USD	Annual
Reclassification of net pension expense into Wages and benefits and Other-net non-operating income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax`	$32.00M	USD	Annual
Reclassification of net pension expense into Wages and benefits and Other-net non-operating income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax`	$28.00M	USD	Annual
Reclassification of net pension expense into Wages and benefits and Other-net non-operating income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax`	$22.00M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$24.00M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$2.00M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$10.00M	USD	Annual
Employee benefit plans, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-29.00M	USD	Annual
Employee benefit plans, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-4.00M	USD	Annual
Employee benefit plans, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-77.00M	USD	Annual
Unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	$-13.00M	USD	Annual
Unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	$1.00M	USD	Annual
Unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	-	USD	Annual
Reclassification of losses into Aircraft rent	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$-5.00M	USD	Annual
Reclassification of losses into Aircraft rent	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$-3.00M	USD	Annual
Reclassification of losses into Aircraft rent	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$-3.00M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$1.00M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$2.00M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$-2.00M	USD	Annual
Interest rate derivative instruments, net of tax	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-8.00M	USD	Annual
Interest rate derivative instruments, net of tax	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$4.00M	USD	Annual
Interest rate derivative instruments, net of tax	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$2.00M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-6.00M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-17.00M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-75.00M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$431.00M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$885.00M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$752.00M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.