$AAL
American Airlines Group Inc. Stock $aal

$aal Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-K Financial Statement

#000000620119000009 Filed on February 25, 2019

Income Statement

Concept	2017 Q4	2017 Q3	2017 Q2
Revenue	$10.60B	$10.88B	$11.23B
YoY Change	8.28%	2.68%	8.34%
Cost Of Revenue	$3.874B	$3.830B	$3.723B
YoY Change	11.87%	7.86%	8.32%
Gross Profit	$6.737B	$7.135B	$7.504B
YoY Change	7.16%	1.31%	8.35%
Gross Profit Margin	63.56%	65.59%	66.84%
Selling, General & Admin	$3.879B	$3.894B	$3.867B
YoY Change	6.62%	9.81%	13.0%
% of Gross Profit	57.58%	54.58%	51.53%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.017B	$512.0M	$496.0M
YoY Change	10.95%	7.34%	11.21%
% of Gross Profit	29.94%	7.18%	6.61%
Operating Expenses	$5.795B	$5.772B	$5.702B
YoY Change	5.67%	8.54%	11.59%
Operating Profit	$638.0M	$1.256B	$1.599B
YoY Change	-16.82%	-12.23%	-8.68%
Interest Expense	-$242.0M	$266.0M	$263.0M
YoY Change	2.98%	6.4%	5.62%
% of Operating Profit	-37.93%	21.18%	16.45%
Other Income/Expense, Net	$11.00M	-$193.0M	-$210.0M
YoY Change	-75.56%	-20.25%	-18.6%
Pretax Income	$408.0M	$1.063B	$1.389B
YoY Change	15.58%	-10.6%	-6.97%
Income Tax	$168.0M	$402.0M	$525.0M
% Of Pretax Income	41.18%	37.82%	37.8%
Net Earnings	-$583.0M	$661.0M	$864.0M
YoY Change	-301.73%	-10.31%	-9.05%
Net Earnings / Revenue	-5.5%	6.08%	7.7%
Basic Earnings Per Share	-$1.22	$1.36	$1.76
Diluted Earnings Per Share	-$1.22	$1.36	$1.75
COMMON SHARES
Basic Shares Outstanding	477.2M shares	484.8M shares	490.8M shares
Diluted Shares Outstanding	477.2M shares	486.6M shares	493.0M shares

Balance Sheet

Concept	2017 Q4	2017 Q3	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$5.169B	$5.768B	$6.886B
YoY Change	-18.71%	-14.61%	-3.26%
Cash & Equivalents	$398.0M	$444.0M	$489.0M
Short-Term Investments	$4.771B	$5.428B	$6.500B
Other Short-Term Assets	$969.0M	$1.219B	$1.381B
YoY Change	-24.12%	-18.19%	-6.31%
Inventory	$1.359B	$1.315B	$1.206B
Prepaid Expenses
Receivables	$1.752B	$1.700B	$1.543B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$9.146B	$10.00B	$11.02B
YoY Change	-11.41%	-9.47%	-1.5%
LONG-TERM ASSETS
Property, Plant & Equipment	$34.16B	$33.31B	$32.99B
YoY Change	9.62%	9.92%	11.42%
Goodwill	$4.091B	$4.091B	$4.091B
YoY Change	0.0%	0.0%	0.0%
Intangibles	$2.203B	$2.214B	$2.224B
YoY Change	1.38%	1.14%	0.5%
Long-Term Investments
YoY Change
Other Assets	$9.483B	$9.088B	$9.327B
YoY Change	-3.15%	-6.85%	-9.06%
Total Long-Term Assets	$43.64B	$42.40B	$42.32B
YoY Change	6.57%	5.84%	6.15%
TOTAL ASSETS
Total Short-Term Assets	$9.146B	$10.00B	$11.02B
Total Long-Term Assets	$43.64B	$42.40B	$42.32B
Total Assets	$52.79B	$52.40B	$53.34B
YoY Change	2.95%	2.53%	4.48%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.688B	$1.638B	$1.924B
YoY Change	6.03%	-2.09%	-1.03%
Accrued Expenses	$3.953B	$3.656B	$3.618B
YoY Change	6.15%	1.58%	-3.85%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$2.476B	$2.467B	$2.334B
YoY Change	33.48%	37.21%	36.09%
Total Short-Term Liabilities	$15.36B	$15.31B	$16.11B
YoY Change	10.71%	5.33%	8.01%
LONG-TERM LIABILITIES
Long-Term Debt	$22.51B	$22.22B	$22.53B
YoY Change	0.1%	3.12%	6.6%
Other Long-Term Liabilities	$2.498B	$3.462B	$3.484B
YoY Change	-23.98%	28.32%	30.24%
Total Long-Term Liabilities	$38.21B	$33.15B	$33.51B
YoY Change	13.65%	2.99%	5.3%
TOTAL LIABILITIES
Total Short-Term Liabilities	$15.36B	$15.31B	$16.11B
Total Long-Term Liabilities	$38.21B	$33.15B	$33.51B
Total Liabilities	$53.57B	$48.45B	$49.62B
YoY Change	12.79%	3.72%	6.17%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.345B	$3.152B	$2.577B
YoY Change	-182.01%	124.66%	258.41%
Common Stock	$5.719B	$5.923B	$6.250B
YoY Change	-20.88%	-23.73%	-25.2%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$780.0M	$3.948B	$3.715B
YoY Change
Total Liabilities & Shareholders Equity	$52.79B	$52.40B	$53.34B
YoY Change	2.95%	2.53%	4.48%

Cashflow Statement

Concept	2017 Q4	2017 Q3	2017 Q2
OPERATING ACTIVITIES
Net Income	-$583.0M	$661.0M	$864.0M
YoY Change	-301.73%	-10.31%	-9.05%
Depreciation, Depletion And Amortization	$2.017B	$512.0M	$496.0M
YoY Change	10.95%	7.34%	11.21%
Cash From Operating Activities	$437.0M	$369.0M	$1.688B
YoY Change	-30.3%	-65.32%	-23.72%
INVESTING ACTIVITIES
Capital Expenditures	-$1.408B	-$1.369B	-$1.480B
YoY Change	-3.56%	13.33%	-1.73%
Acquisitions
YoY Change
Other Investing Activities	$851.0M	$1.554B	$86.00M
YoY Change	112.75%	361.13%	-156.95%
Cash From Investing Activities	-$557.0M	$185.0M	-$1.394B
YoY Change	-47.45%	-121.24%	-15.87%
FINANCING ACTIVITIES
Cash Dividend Paid		$49.00M	$50.00M
YoY Change		-7.55%	-13.79%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	75.00M	-599.0M	-272.0M
YoY Change	-79.73%	132.17%	-55.04%
NET CHANGE
Cash From Operating Activities	437.0M	369.0M	1.688B
Cash From Investing Activities	-557.0M	185.0M	-1.394B
Cash From Financing Activities	75.00M	-599.0M	-272.0M
Net Change In Cash	-45.00M	-45.00M	22.00M
YoY Change	-28.57%	-30.77%	-144.9%
FREE CASH FLOW
Cash From Operating Activities	$437.0M	$369.0M	$1.688B
Capital Expenditures	-$1.408B	-$1.369B	-$1.480B
Free Cash Flow	$1.845B	$1.738B	$3.168B
YoY Change	-11.6%	-23.5%	-14.82%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2016	aal	Adjustments To Additional Paid In Capital Settlement Of Single Dip Unsecured Claims AdjustmentsToAdditionalPaidInCapitalSettlementOfSingleDipUnsecuredClaims	3000000	USD
CY2017	aal	Adjustments To Additional Paid In Capital Settlement Of Single Dip Unsecured Claims AdjustmentsToAdditionalPaidInCapitalSettlementOfSingleDipUnsecuredClaims	15000000	USD
CY2018Q4	aal	Airport Redevelopment Amount AirportRedevelopmentAmount	1600000000	USD
CY2018Q4	aal	Airport Redevelopment Number Of Security Screen Lanes AirportRedevelopmentNumberOfSecurityScreenLanes	16	security_screening_lane
CY2018	aal	Airport Redevelopment Payments To Acquire Productive Assets AirportRedevelopmentPaymentsToAcquireProductiveAssets	7000000	USD
CY2016	aal	Amortization Of Debt Discount Premium And Leased Assets AmortizationOfDebtDiscountPremiumAndLeasedAssets	-119000000	USD
CY2017	aal	Amortization Of Debt Discount Premium And Leased Assets AmortizationOfDebtDiscountPremiumAndLeasedAssets	-114000000	USD
CY2018	aal	Amortization Of Debt Discount Premium And Leased Assets AmortizationOfDebtDiscountPremiumAndLeasedAssets	-92000000	USD
CY2018Q4	aal	Collective Bargaining Arrangement Percentage Of Employers Participants Under Agreements Amendable Within One Year CollectiveBargainingArrangementPercentageOfEmployersParticipantsUnderAgreementsAmendableWithinOneYear	0.22
CY2018Q4	aal	Collective Bargaining Arrangement Percentageof Employers Participants CollectiveBargainingArrangementPercentageofEmployersParticipants	0.84
CY2018	aal	Contract Receivables Settlement Duration ContractReceivablesSettlementDuration	P7D
CY2016	aal	Debt Refinancingand Debt Extinguishment Expense DebtRefinancingandDebtExtinguishmentExpense	49000000	USD
CY2017	aal	Debt Refinancingand Debt Extinguishment Expense DebtRefinancingandDebtExtinguishmentExpense	22000000	USD
CY2018	aal	Debt Refinancingand Debt Extinguishment Expense DebtRefinancingandDebtExtinguishmentExpense	13000000	USD
CY2017Q4	aal	Deferred Tax Assets Leases DeferredTaxAssetsLeases	107000000	USD
CY2018Q4	aal	Deferred Tax Assets Leases DeferredTaxAssetsLeases	2189000000	USD
CY2017Q4	aal	Deferred Tax Liabilities Accelerated Depreciation And Amortization DeferredTaxLiabilitiesAcceleratedDepreciationAndAmortization	5045000000	USD
CY2018Q4	aal	Deferred Tax Liabilities Accelerated Depreciation And Amortization DeferredTaxLiabilitiesAcceleratedDepreciationAndAmortization	5280000000	USD
CY2012	aal	Defined Benefit Plan Amortization Period Of Gains Losses Related To Plan Amendment DefinedBenefitPlanAmortizationPeriodOfGainsLossesRelatedToPlanAmendment	P8Y
CY2018Q4	aal	Defined Benefit Plans Estimated Supplemental Future Employer Contributions In Next Fiscal Year DefinedBenefitPlansEstimatedSupplementalFutureEmployerContributionsInNextFiscalYear	21000000	USD
CY2016	aal	Effective Income Tax Rate Reconciliation Bankruptcy Administration Expenses EffectiveIncomeTaxRateReconciliationBankruptcyAdministrationExpenses	1000000	USD
CY2017	aal	Effective Income Tax Rate Reconciliation Bankruptcy Administration Expenses EffectiveIncomeTaxRateReconciliationBankruptcyAdministrationExpenses	1000000	USD
CY2018	aal	Effective Income Tax Rate Reconciliation Bankruptcy Administration Expenses EffectiveIncomeTaxRateReconciliationBankruptcyAdministrationExpenses	0	USD
CY2016	aal	Effective Income Tax Rate Reconciliation Effectof Tax Cutsand Jobs Actof2017 Amount EffectiveIncomeTaxRateReconciliationEffectofTaxCutsandJobsActof2017Amount	0	USD
CY2017	aal	Effective Income Tax Rate Reconciliation Effectof Tax Cutsand Jobs Actof2017 Amount EffectiveIncomeTaxRateReconciliationEffectofTaxCutsandJobsActof2017Amount	823000000	USD
CY2018	aal	Effective Income Tax Rate Reconciliation Effectof Tax Cutsand Jobs Actof2017 Amount EffectiveIncomeTaxRateReconciliationEffectofTaxCutsandJobsActof2017Amount	0	USD
CY2017Q4	aal	Employee Tax Reform Bonus Amount EmployeeTaxReformBonusAmount	1000
CY2017Q4	aal	Employee Tax Reform Bonus Expense EmployeeTaxReformBonusExpense	149000000	USD
CY2018Q4	aal	Finance Lease Right Of Use Asset Accumulated Depreciation FinanceLeaseRightOfUseAssetAccumulatedDepreciation	391000000	USD
CY2018Q4	aal	Finance Lease Right Of Use Asset Gross FinanceLeaseRightOfUseAssetGross	936000000	USD
CY2017Q4	aal	Ground Property And Equipment Gross GroundPropertyAndEquipmentGross	8267000000	USD
CY2018Q4	aal	Ground Property And Equipment Gross GroundPropertyAndEquipmentGross	8764000000	USD
CY2016	aal	Income Taxes Special Items Net IncomeTaxesSpecialItemsNet	0	USD
CY2017	aal	Income Taxes Special Items Net IncomeTaxesSpecialItemsNet	823000000	USD
CY2018	aal	Income Taxes Special Items Net IncomeTaxesSpecialItemsNet	18000000	USD
CY2016	aal	Labor Contract Expenses LaborContractExpenses	0	USD
CY2017	aal	Labor Contract Expenses LaborContractExpenses	46000000	USD
CY2018	aal	Labor Contract Expenses LaborContractExpenses	13000000	USD
CY2018Q4	aal	Lessee Operating Lease Lease Notyet Commenced Number Of Leased Aircraft LesseeOperatingLeaseLeaseNotyetCommencedNumberOfLeasedAircraft	22	Aircraft
CY2018Q4	aal	Lessee Operating Lease Lease Notyet Commenced Payments Due LesseeOperatingLeaseLeaseNotyetCommencedPaymentsDue	1900000000	USD
CY2018Q4	aal	Lettersof Credit Outstandingand Surety Bonds Amount LettersofCreditOutstandingandSuretyBondsAmount	460000000	USD
CY2016	aal	Mainline And Express Depreciation And Amortization MainlineAndExpressDepreciationAndAmortization	1818000000	USD
CY2017	aal	Mainline And Express Depreciation And Amortization MainlineAndExpressDepreciationAndAmortization	2017000000	USD
CY2018	aal	Mainline And Express Depreciation And Amortization MainlineAndExpressDepreciationAndAmortization	2159000000	USD
CY2016	aal	Mark To Market Adjustments For Bankruptcy Obligations And Other MarkToMarketAdjustmentsForBankruptcyObligationsAndOther	-25000000	USD
CY2017Q4	aal	Mark To Market Adjustments For Bankruptcy Obligations And Other MarkToMarketAdjustmentsForBankruptcyObligationsAndOther	-20000000	USD
CY2017	aal	Mark To Market Adjustments For Bankruptcy Obligations And Other MarkToMarketAdjustmentsForBankruptcyObligationsAndOther	-27000000	USD
CY2018Q4	aal	Mark To Market Adjustments For Bankruptcy Obligations And Other MarkToMarketAdjustmentsForBankruptcyObligationsAndOther	37000000	USD
CY2018	aal	Mark To Market Adjustments For Bankruptcy Obligations And Other MarkToMarketAdjustmentsForBankruptcyObligationsAndOther	76000000	USD
CY2016	aal	Nonoperating Special Items Net NonoperatingSpecialItemsNet	49000000	USD
CY2017	aal	Nonoperating Special Items Net NonoperatingSpecialItemsNet	22000000	USD
CY2018	aal	Nonoperating Special Items Net NonoperatingSpecialItemsNet	113000000	USD
CY2018Q4	aal	Number Of Aircraft Operating Under Operating And Finance Lease NumberOfAircraftOperatingUnderOperatingAndFinanceLease	660	Aircraft
CY2018Q4	aal	Number Of Aircraft Owned Enhanced Equipment Trust Certificate NumberOfAircraftOwnedEnhancedEquipmentTrustCertificate	389	Aircraft
CY2018Q4	aal	Number Of Operating Aircraft Leased From Trusts In Which Company Holds Significant Variable Interest NumberOfOperatingAircraftLeasedFromTrustsInWhichCompanyHoldsSignificantVariableInterest	88	Aircraft
CY2015Q2	aal	Number Of Putative Class Action Lawsuits NumberOfPutativeClassActionLawsuits	100	lawsuit
	aal	Number Of Share Repurchase Programs Authorized NumberOfShareRepurchaseProgramsAuthorized	7	program
CY2017Q4	aal	Operating And Nonoperating Special Charges Net OperatingAndNonoperatingSpecialChargesNet	1100000000	USD
CY2018Q4	aal	Operating And Nonoperating Special Charges Net OperatingAndNonoperatingSpecialChargesNet	225000000	USD
CY2016	aal	Other Non Operating Special Charges Credits Net OtherNonOperatingSpecialChargesCreditsNet	0	USD
CY2017	aal	Other Non Operating Special Charges Credits Net OtherNonOperatingSpecialChargesCreditsNet	0	USD
CY2018	aal	Other Non Operating Special Charges Credits Net OtherNonOperatingSpecialChargesCreditsNet	-4000000	USD
CY2016	aal	Other Operating Special Charges Net OtherOperatingSpecialChargesNet	-7000000	USD
CY2017	aal	Other Operating Special Charges Net OtherOperatingSpecialChargesNet	11000000	USD
CY2018	aal	Other Operating Special Charges Net OtherOperatingSpecialChargesNet	31000000	USD
CY2016	aal	Other Significant Noncash Transaction Bankruptcy Settlement Obligation OtherSignificantNoncashTransactionBankruptcySettlementObligation	3000000	USD
CY2017	aal	Other Significant Noncash Transaction Bankruptcy Settlement Obligation OtherSignificantNoncashTransactionBankruptcySettlementObligation	15000000	USD
CY2018	aal	Other Significant Noncash Transaction Bankruptcy Settlement Obligation OtherSignificantNoncashTransactionBankruptcySettlementObligation	0	USD
CY2016	aal	Other Tax Charges OtherTaxCharges	0	USD
CY2017	aal	Other Tax Charges OtherTaxCharges	0	USD
CY2018	aal	Other Tax Charges OtherTaxCharges	18000000	USD
CY2018Q4	aal	Pension And Other Postretirement Benefit Plans Accumulated Other Comprehensive Income Loss Net Gains Losses Related To Plan Amendment Before Tax PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossNetGainsLossesRelatedToPlanAmendmentBeforeTax	390000000	USD
CY2016	aal	Proceeds From Sale Of Property Plant And Equipment And Sale Lease Back Transactions ProceedsFromSaleOfPropertyPlantAndEquipmentAndSaleLeaseBackTransactions	125000000	USD
CY2017	aal	Proceeds From Sale Of Property Plant And Equipment And Sale Lease Back Transactions ProceedsFromSaleOfPropertyPlantAndEquipmentAndSaleLeaseBackTransactions	947000000	USD
CY2018	aal	Proceeds From Sale Of Property Plant And Equipment And Sale Lease Back Transactions ProceedsFromSaleOfPropertyPlantAndEquipmentAndSaleLeaseBackTransactions	1207000000	USD
CY2016	aal	Restructuring And Other Mainline RestructuringAndOtherMainline	709000000	USD
CY2017	aal	Restructuring And Other Mainline RestructuringAndOtherMainline	712000000	USD
CY2018	aal	Restructuring And Other Mainline RestructuringAndOtherMainline	787000000	USD
CY2016	aal	Restructuring And Other Net RestructuringAndOtherNet	723000000	USD
CY2017	aal	Restructuring And Other Net RestructuringAndOtherNet	734000000	USD
CY2018	aal	Restructuring And Other Net RestructuringAndOtherNet	793000000	USD
CY2016	aal	Restructuring And Other Regional RestructuringAndOtherRegional	14000000	USD
CY2017	aal	Restructuring And Other Regional RestructuringAndOtherRegional	22000000	USD
CY2018	aal	Restructuring And Other Regional RestructuringAndOtherRegional	6000000	USD
CY2016	aal	Special Charges Non Cash SpecialChargesNonCash	270000000	USD
CY2017	aal	Special Charges Non Cash SpecialChargesNonCash	272000000	USD
CY2018	aal	Special Charges Non Cash SpecialChargesNonCash	458000000	USD
CY2017	aal	Stock Repurchasedand Retired During Period Including Shares Pursuantto Bankruptcy Distribution Shares StockRepurchasedandRetiredDuringPeriodIncludingSharesPursuanttoBankruptcyDistributionShares	33953127	shares
CY2016	aal	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense	0	USD
CY2017Q4	aal	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense	823000000	USD
CY2017	aal	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense	823000000	USD
CY2018	aal	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense	0	USD
CY2017	aal	Valuation Allowance Tax Cuts And Jobs Act Of2017 Deferred Tax Asset Increase Decrease Amount ValuationAllowanceTaxCutsAndJobsActOf2017DeferredTaxAssetIncreaseDecreaseAmount	10000000	USD
CY2018	dei	Amendment Flag AmendmentFlag	false
CY2018	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2018	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018	dei	Document Period End Date DocumentPeriodEndDate	2018-12-31
CY2018	dei	Document Type DocumentType	10-K
CY2018	dei	Entity Central Index Key EntityCentralIndexKey	0000006201
CY2019Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	449055548	shares
CY2018	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2018Q4	dei	Entity Number Of Employees EntityNumberOfEmployees	128900	Employees
CY2018Q2	dei	Entity Public Float EntityPublicFloat	17000000000	USD
CY2018	dei	Entity Registrant Name EntityRegistrantName	American Airlines Group Inc.
CY2018	dei	Entity Shell Company EntityShellCompany	false
CY2018	dei	Entity Small Business EntitySmallBusiness	false
CY2018	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2018	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2018	dei	Trading Symbol TradingSymbol	AAL
CY2017Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1688000000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1773000000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	15646000000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	17443000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5083000000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5154000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5274000000	USD
CY2017Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	5714000000	USD
CY2018Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	4964000000	USD
CY2016	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	56000000	USD
CY2017	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	51000000	USD
CY2018	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	37000000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	100000000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	90000000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	86000000	USD
CY2016	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	1834000000	USD
CY2017	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	1959000000	USD
CY2018	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	2050000000	USD
CY2016	us-gaap	Aircraft Rental AircraftRental	1203000000	USD
CY2017	us-gaap	Aircraft Rental AircraftRental	1197000000	USD
CY2018	us-gaap	Aircraft Rental AircraftRental	1264000000	USD
CY2016	us-gaap	Airline Capacity Purchase Arrangements AirlineCapacityPurchaseArrangements	6044000000	USD
CY2017	us-gaap	Airline Capacity Purchase Arrangements AirlineCapacityPurchaseArrangements	6546000000	USD
CY2018	us-gaap	Airline Capacity Purchase Arrangements AirlineCapacityPurchaseArrangements	7133000000	USD
CY2017Q4	us-gaap	Airline Related Inventory Net AirlineRelatedInventoryNet	1359000000	USD
CY2018Q4	us-gaap	Airline Related Inventory Net AirlineRelatedInventoryNet	1522000000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	102000000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	90000000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	88000000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	76000000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	44000000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	41000000	USD
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1429000	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	328000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1266000	shares
CY2016Q4	us-gaap	Aoci Tax Attributable To Parent AociTaxAttributableToParent	677000000	USD
CY2017Q4	us-gaap	Aoci Tax Attributable To Parent AociTaxAttributableToParent	630000000	USD
CY2018Q4	us-gaap	Aoci Tax Attributable To Parent AociTaxAttributableToParent	596000000	USD
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CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	7000000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	23000000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1453000000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1188000000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	396000000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	35000000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	33000000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	12000000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	10000000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	5000000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	3000000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	56000000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	59000000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	44000000	USD
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	16000000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	20000000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	18000000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	307000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	299000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-147000000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	160000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	190000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-222000000	USD
CY2016	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	184000000	USD
CY2017	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	433000000	USD
CY2018	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	390000000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	105000000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-132000000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-210000000	USD
CY2016	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	-32000000	USD
CY2017	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	-286000000	USD
CY2018	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	-475000000	USD
CY2016	us-gaap	Increase Decrease Of Restricted Investments IncreaseDecreaseOfRestrictedInvestments	-53000000	USD
CY2017	us-gaap	Increase Decrease Of Restricted Investments IncreaseDecreaseOfRestrictedInvestments	-309000000	USD
CY2018	us-gaap	Increase Decrease Of Restricted Investments IncreaseDecreaseOfRestrictedInvestments	-72000000	USD
CY2016	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3791000	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2528000	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1424000	shares
CY2017Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	1900000000	USD
CY2018Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	1900000000	USD
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2203000000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2137000000	USD
CY2016	us-gaap	Interest Expense InterestExpense	991000000	USD
CY2017	us-gaap	Interest Expense InterestExpense	1053000000	USD
CY2018	us-gaap	Interest Expense InterestExpense	1056000000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	964000000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	1040000000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	1091000000	USD
CY2016	us-gaap	Investment Income Interest InvestmentIncomeInterest	63000000	USD
CY2017	us-gaap	Investment Income Interest InvestmentIncomeInterest	94000000	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	118000000	USD
CY2016	us-gaap	Labor And Related Expense LaborAndRelatedExpense	10967000000	USD
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	11954000000	USD
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	12251000000	USD
CY2016	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	1772000000	USD
CY2017	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	1806000000	USD
CY2018	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	1900000000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	3200000000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	3200000000	USD
CY2018	us-gaap	Lease Cost LeaseCost	4386000000	USD
CY2018Q4	us-gaap	Lessee Operating Lease Lease Not Yet Commenced Term Of Contract1 LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1	P10Y
CY2018Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	11699000000	USD
CY2018Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	3620000000	USD
CY2018Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1912000000	USD
CY2018Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1255000000	USD
CY2018Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1438000000	USD
CY2018Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1636000000	USD
CY2018Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1838000000	USD
CY2018Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2143000000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	52785000000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	60580000000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	15358000000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	18096000000	USD
CY2017Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	38207000000	USD
CY2018Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	42653000000	USD
CY2018Q2	us-gaap	Litigation Settlement Amount Awarded To Other Party LitigationSettlementAmountAwardedToOtherParty	45000000	USD
CY2016	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	0	USD
CY2017	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	0	USD
CY2018	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	45000000	USD
CY2017Q4	us-gaap	Long Term Debt LongTermDebt	21818000000	USD
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	20566000000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	22511000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	21179000000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	2554000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	3294000000	USD
CY2017Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2476000000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	3213000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	9772000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	3258000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	3894000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	1346000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	3411000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	2320000000	USD
CY2018Q4	us-gaap	Longterm Debt Percentage Bearing Variable Interest Amount LongtermDebtPercentageBearingVariableInterestAmount	9900000000	USD
CY2016	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	116000000	USD
CY2017	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	135000000	USD
CY2018	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	128000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-894000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1145000000	USD
CY2017Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	318000000	USD
CY2018Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	154000000	USD
CY2016Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	113000000	USD
CY2017Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	103000000	USD
CY2018Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	11000000	USD
CY2016	us-gaap	Restructuring Charges RestructuringCharges	177000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1672000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5702000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3636000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1973000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6524000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	4744000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3533000000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	2584000000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	340000000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	864000000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	661000000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	-583000000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	1282000000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	159000000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	556000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	372000000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	325000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1412000000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	2584000000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1282000000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1412000000	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-908000000	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-836000000	USD
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-772000000	USD
CY2018	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	Segments
CY2018	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	Reporting_Unit
CY2017	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-16000000	USD
CY2018	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-51000000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	5060000000	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	737000000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	1599000000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	1256000000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	638000000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	4231000000	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	396000000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	1004000000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	685000000	USD
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	571000000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	2656000000	USD
CY2018	us-gaap	Operating Lease Cost OperatingLeaseCost	1907000000	USD
CY2018Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	9556000000	USD
CY2017Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	0	USD
CY2018Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1654000000	USD
CY2017Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	0	USD
CY2018Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	7902000000	USD
CY2018	us-gaap	Operating Lease Payments OperatingLeasePayments	1931000000	USD
CY2017Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	0	USD
CY2018Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9151000000	USD
CY2018Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.046
CY2018Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y7M6D
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	13989000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	2572000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1398000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	1621000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	2104000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	2329000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	3965000000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2281000000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2342000000	USD
CY2017Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	1373000000	USD
CY2018Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	1321000000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	9483000000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	8694000000	USD
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	358000000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	70000000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	117000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	7000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-3000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	-15000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	-15000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-351000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-71000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-120000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-47000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-34000000	USD
CY2016	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4634000000	USD
CY2017	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4910000000	USD
CY2018	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	5088000000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2498000000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1393000000	USD
CY2016	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	18000000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	39000000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	64000000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	20000000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	123000000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	166000000	USD
CY2016	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	7000000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4500000000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1615000000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	837000000	USD
CY2016	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	77000000	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	85000000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	59000000	USD
CY2016	us-gaap	Payments Of Dividends PaymentsOfDividends	224000000	USD
CY2017	us-gaap	Payments Of Dividends PaymentsOfDividends	198000000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	186000000	USD
CY2016	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	224000000	USD
CY2017	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	198000000	USD
CY2018	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	186000000	USD
CY2016	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	56000000	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	51000000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	37000000	USD
CY2016	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2017	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	203000000	USD
CY2018	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2016	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	5731000000	USD
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	5971000000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	3745000000	USD
CY2016	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	6241000000	USD
CY2017	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	4633000000	USD
CY2018	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	3412000000	USD
CY2016	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	-68000000	USD
CY2017	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	-132000000	USD
CY2018	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	-300000000	USD
CY2017Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	7497000000	USD
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	6907000000	USD
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	651000000	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	495000000	USD
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	7701000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	3058000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2354000000	USD
CY2016	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	33000000	USD
CY2017	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	27000000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3000000	USD
CY2016	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	0	USD
CY2017	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	0	USD
CY2018	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	207000000	USD
CY2016	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	6092000000	USD
CY2017	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	5915000000	USD
CY2018	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	3705000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	49802000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	51541000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	34156000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	34098000000	USD
CY2017Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	1752000000	USD
CY2018Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	1706000000	USD
CY2017	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	55000000	USD
CY2018	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	69000000	USD
CY2017	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	32000000	USD
CY2018	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	19000000	USD
CY2016	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	3827000000	USD
CY2017	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	2332000000	USD
CY2017Q4	us-gaap	Restructuring Charges RestructuringCharges	58000000	USD
CY2017	us-gaap	Restructuring Charges RestructuringCharges	232000000	USD
CY2018	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	2941000000	USD
CY2018Q4	us-gaap	Restructuring Charges RestructuringCharges	146000000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	422000000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1345000000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	136000000	USD
CY2016	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	40142000000	USD
CY2017Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9820000000	USD
CY2017Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	11227000000	USD
CY2017Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	10965000000	USD
CY2017Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	10611000000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	42622000000	USD
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	10401000000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	11643000000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	11559000000	USD
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	10938000000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	44541000000	USD
CY2018	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1292000000	USD
CY2018	us-gaap	Sale And Leaseback Transaction Gain Loss Net SaleAndLeasebackTransactionGainLossNet	59000000	USD
CY2016	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	1323000000	USD
CY2017	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	1477000000	USD
CY2018	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	1520000000	USD
CY2016	us-gaap	Severance Costs1 SeveranceCosts1	0	USD
CY2017	us-gaap	Severance Costs1 SeveranceCosts1	0	USD
CY2018Q4	us-gaap	Severance Costs1 SeveranceCosts1	37000000	USD
CY2018	us-gaap	Severance Costs1 SeveranceCosts1	58000000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	100000000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	90000000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	86000000	USD
CY2016	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	1400000	shares
CY2017	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	1100000	shares
CY2018	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	800000	shares
CY2016	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	2506067	shares
CY2017	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	2166861	shares
CY2018	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	1709140	shares
CY2018Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	13000000000	USD
	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	278900000	shares
CY2016	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	119823621	shares
CY2016	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	119800000	shares
CY2017	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	33900000	shares
CY2018	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	16606157	shares
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	11300000000	USD
CY2016	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	4400000000	USD
CY2016	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	4416000000	USD
CY2017	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1600000000	USD
CY2017	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1563000000	USD
CY2018	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	799000000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	5635000000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	-284000000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	-780000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	-169000000	USD
CY2016	us-gaap	Transfer Of Investments TransferOfInvestments	0	USD
CY2017	us-gaap	Transfer Of Investments TransferOfInvestments	120000000	USD
CY2018	us-gaap	Transfer Of Investments TransferOfInvestments	0	USD
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	40.69
CY2016	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	36.86
CY2017	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	45.68
CY2016	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	7000000	USD
CY2017	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	7000000	USD
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-6000000	USD
CY2018	us-gaap	Variable Lease Cost VariableLeaseCost	2353000000	USD
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	556099000	shares
CY2017Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	507797000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	492965000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	486625000	shares
CY2017Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	477165000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	491692000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	474598000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	464618000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	461507000	shares
CY2018Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	461915000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	465660000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	552308000	shares
CY2017Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	503902000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	490818000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	484772000	shares
CY2017Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	477165000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	489164000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	472297000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	463533000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	460526000	shares
CY2018Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	460589000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	464236000	shares

Files In Submission

Name	View Source	Status
0000006201-19-000009-index-headers.html	Edgar Link	pending
0000006201-19-000009-index.html	Edgar Link	pending
0000006201-19-000009.txt	Edgar Link	pending
0000006201-19-000009-xbrl.zip	Edgar Link	pending
a10k123118.htm	Edgar Link	pending
aal-20181231.xml	Edgar Link	completed
aal-20181231.xsd	Edgar Link	pending
aal-20181231_cal.xml	Edgar Link	unprocessable
aal-20181231_def.xml	Edgar Link	unprocessable
aal-20181231_lab.xml	Edgar Link	unprocessable
aal-20181231_pre.xml	Edgar Link	unprocessable
chart-67368081c5635809a1fa01.jpg	Edgar Link	pending
ex101510k2018.htm	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
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$AAL
American Airlines Group Inc. Stock $aal

2017 Q4 Form 10-K Financial Statement

#000000620119000009 Filed on February 25, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AAL American Airlines Group Inc. Stock $aal

2017 Q4 Form 10-K Financial Statement

#000000620119000009 Filed on February 25, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AAL
American Airlines Group Inc. Stock $aal