2017 Q4 Form 10-K Financial Statement
#000000620118000009 Filed on February 21, 2018
Income Statement
| Concept | 2017 Q4 | 2017 Q3 | 2017 |
|---|---|---|---|
| Revenue | $10.60B | $10.88B | $42.21B |
| YoY Change | 8.28% | 2.68% | 5.04% |
| Cost Of Revenue | $3.874B | $3.830B | $14.99B |
| YoY Change | 11.87% | 7.86% | 11.3% |
| Gross Profit | $6.737B | $7.135B | $27.63B |
| YoY Change | 7.16% | 1.31% | 3.59% |
| Gross Profit Margin | 63.56% | 65.59% | 65.46% |
| Selling, General & Admin | $3.879B | $3.894B | $15.24B |
| YoY Change | 6.62% | 9.81% | 9.12% |
| % of Gross Profit | 57.58% | 54.58% | 55.18% |
| Research & Development | |||
| YoY Change | |||
| % of Gross Profit | |||
| Depreciation & Amortization | $2.017B | $512.0M | $2.200B |
| YoY Change | 10.95% | 7.34% | 15.79% |
| % of Gross Profit | 29.94% | 7.18% | 7.96% |
| Operating Expenses | $5.795B | $5.772B | $22.66B |
| YoY Change | 5.67% | 8.54% | 8.5% |
| Operating Profit | $638.0M | $1.256B | $4.231B |
| YoY Change | -16.82% | -12.23% | -16.38% |
| Interest Expense | -$242.0M | $266.0M | $1.053B |
| YoY Change | 2.98% | 6.4% | 6.26% |
| % of Operating Profit | -37.93% | 21.18% | 24.89% |
| Other Income/Expense, Net | $11.00M | -$193.0M | -$836.0M |
| YoY Change | -75.56% | -20.25% | -7.93% |
| Pretax Income | $408.0M | $1.063B | $3.395B |
| YoY Change | 15.58% | -10.6% | -18.23% |
| Income Tax | $168.0M | $402.0M | $2.113B |
| % Of Pretax Income | 41.18% | 37.82% | 62.24% |
| Net Earnings | -$583.0M | $661.0M | $1.282B |
| YoY Change | -301.73% | -10.31% | -50.39% |
| Net Earnings / Revenue | -5.5% | 6.08% | 3.04% |
| Basic Earnings Per Share | -$1.22 | $1.36 | $2.62 |
| Diluted Earnings Per Share | -$1.22 | $1.36 | $2.61 |
| COMMON SHARES | |||
| Basic Shares Outstanding | 477.2M shares | 484.8M shares | 489.2M shares |
| Diluted Shares Outstanding | 477.2M shares | 486.6M shares | 491.7M shares |
Balance Sheet
| Concept | 2017 Q4 | 2017 Q3 | 2017 |
|---|---|---|---|
| SHORT-TERM ASSETS | |||
| Cash & Short-Term Investments | $5.169B | $5.768B | $5.066B |
| YoY Change | -18.71% | -14.61% | -20.33% |
| Cash & Equivalents | $398.0M | $444.0M | |
| Short-Term Investments | $4.771B | $5.428B | $4.771B |
| Other Short-Term Assets | $969.0M | $1.219B | $969.0M |
| YoY Change | -24.12% | -18.19% | -24.12% |
| Inventory | $1.359B | $1.315B | $1.359B |
| Prepaid Expenses | |||
| Receivables | $1.752B | $1.700B | $1.752B |
| Other Receivables | $0.00 | $0.00 | $0.00 |
| Total Short-Term Assets | $9.146B | $10.00B | $9.146B |
| YoY Change | -11.41% | -9.47% | -11.41% |
| LONG-TERM ASSETS | |||
| Property, Plant & Equipment | $34.16B | $33.31B | $34.16B |
| YoY Change | 9.62% | 9.92% | 9.62% |
| Goodwill | $4.091B | $4.091B | |
| YoY Change | 0.0% | 0.0% | |
| Intangibles | $2.203B | $2.214B | |
| YoY Change | 1.38% | 1.14% | |
| Long-Term Investments | |||
| YoY Change | |||
| Other Assets | $9.483B | $9.088B | $3.189B |
| YoY Change | -3.15% | -6.85% | -9.58% |
| Total Long-Term Assets | $43.64B | $42.40B | $43.64B |
| YoY Change | 6.57% | 5.84% | 6.57% |
| TOTAL ASSETS | |||
| Total Short-Term Assets | $9.146B | $10.00B | $9.146B |
| Total Long-Term Assets | $43.64B | $42.40B | $43.64B |
| Total Assets | $52.79B | $52.40B | $52.79B |
| YoY Change | 2.95% | 2.53% | 2.95% |
| SHORT-TERM LIABILITIES | |||
| YoY Change | |||
| Accounts Payable | $1.688B | $1.638B | $1.688B |
| YoY Change | 6.03% | -2.09% | 6.03% |
| Accrued Expenses | $3.953B | $3.656B | $3.953B |
| YoY Change | 6.15% | 1.58% | 6.15% |
| Deferred Revenue | |||
| YoY Change | |||
| Short-Term Debt | $0.00 | $0.00 | $0.00 |
| YoY Change | |||
| Long-Term Debt Due | $2.476B | $2.467B | $2.554B |
| YoY Change | 33.48% | 37.21% | 37.68% |
| Total Short-Term Liabilities | $15.36B | $15.31B | $15.36B |
| YoY Change | 10.71% | 5.33% | 10.71% |
| LONG-TERM LIABILITIES | |||
| Long-Term Debt | $22.51B | $22.22B | $22.51B |
| YoY Change | 0.1% | 3.12% | 0.1% |
| Other Long-Term Liabilities | $2.498B | $3.462B | $15.70B |
| YoY Change | -23.98% | 28.32% | 41.05% |
| Total Long-Term Liabilities | $38.21B | $33.15B | $38.21B |
| YoY Change | 13.65% | 2.99% | 13.65% |
| TOTAL LIABILITIES | |||
| Total Short-Term Liabilities | $15.36B | $15.31B | $15.36B |
| Total Long-Term Liabilities | $38.21B | $33.15B | $38.21B |
| Total Liabilities | $53.57B | $48.45B | $53.57B |
| YoY Change | 12.79% | 3.72% | 12.79% |
| SHAREHOLDERS EQUITY | |||
| Retained Earnings | -$1.345B | $3.152B | |
| YoY Change | -182.01% | 124.66% | |
| Common Stock | $5.719B | $5.923B | |
| YoY Change | -20.88% | -23.73% | |
| Preferred Stock | |||
| YoY Change | |||
| Treasury Stock (at cost) | |||
| YoY Change | |||
| Treasury Stock Shares | |||
| Shareholders Equity | -$780.0M | $3.948B | -$780.0M |
| YoY Change | |||
| Total Liabilities & Shareholders Equity | $52.79B | $52.40B | $52.79B |
| YoY Change | 2.95% | 2.53% | 2.95% |
Cashflow Statement
| Concept | 2017 Q4 | 2017 Q3 | 2017 |
|---|---|---|---|
| OPERATING ACTIVITIES | |||
| Net Income | -$583.0M | $661.0M | $1.282B |
| YoY Change | -301.73% | -10.31% | -50.39% |
| Depreciation, Depletion And Amortization | $2.017B | $512.0M | $2.200B |
| YoY Change | 10.95% | 7.34% | 15.79% |
| Cash From Operating Activities | $437.0M | $369.0M | $4.744B |
| YoY Change | -30.3% | -65.32% | -27.28% |
| INVESTING ACTIVITIES | |||
| Capital Expenditures | -$1.408B | -$1.369B | -$5.971B |
| YoY Change | -3.56% | 13.33% | 4.19% |
| Acquisitions | |||
| YoY Change | |||
| Other Investing Activities | $851.0M | $1.554B | $0.00 |
| YoY Change | 112.75% | 361.13% | |
| Cash From Investing Activities | -$557.0M | $185.0M | -$3.636B |
| YoY Change | -47.45% | -121.24% | -36.23% |
| FINANCING ACTIVITIES | |||
| Cash Dividend Paid | $49.00M | $198.0M | |
| YoY Change | -7.55% | -11.61% | |
| Common Stock Issuance & Retirement, Net | $1.615B | ||
| YoY Change | -64.11% | ||
| Debt Paid & Issued, Net | |||
| YoY Change | |||
| Cash From Financing Activities | 75.00M | -599.0M | -$1.145B |
| YoY Change | -79.73% | 132.17% | 28.08% |
| NET CHANGE | |||
| Cash From Operating Activities | 437.0M | 369.0M | $4.744B |
| Cash From Investing Activities | -557.0M | 185.0M | -$3.636B |
| Cash From Financing Activities | 75.00M | -599.0M | -$1.145B |
| Net Change In Cash | -45.00M | -45.00M | -$37.00M |
| YoY Change | -28.57% | -30.77% | -48.61% |
| FREE CASH FLOW | |||
| Cash From Operating Activities | $437.0M | $369.0M | $4.744B |
| Capital Expenditures | -$1.408B | -$1.369B | -$5.971B |
| Free Cash Flow | $1.845B | $1.738B | $10.72B |
| YoY Change | -11.6% | -23.5% | -12.57% |
Facts In Submission
| Frame | Concept Type | Concept / XBRL Key | Value | Unit |
|---|---|---|---|---|
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Restructuring And Other Regional
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2017-12-31 | |
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10-K | |
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Entity Current Reporting Status
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Yes | |
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Large Accelerated Filer | |
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Entity Registrant Name
EntityRegistrantName
|
American Airlines Group Inc. | |
| CY2017 | dei |
Entity Voluntary Filers
EntityVoluntaryFilers
|
No | |
| CY2017 | dei |
Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
|
Yes | |
| CY2017 | dei |
Trading Symbol
TradingSymbol
|
AAL | |
| CY2016Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
1592000000 | USD |
| CY2017Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
1688000000 | USD |
| CY2016Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
14194000000 | USD |
| CY2017Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
15646000000 | USD |
| CY2015Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
-4732000000 | 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 |
| CY2016Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
7223000000 | USD |
| CY2017Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
5714000000 | USD |
| CY2015 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
306000000 | 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 |
| CY2015 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
284000000 | 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 |
| CY2016Q4 | us-gaap |
Air Traffic Liability Current
AirTrafficLiabilityCurrent
|
3912000000 | USD |
| CY2017Q4 | us-gaap |
Air Traffic Liability Current
AirTrafficLiabilityCurrent
|
3978000000 | USD |
| CY2015 | us-gaap |
Aircraft Maintenance Materials And Repairs
AircraftMaintenanceMaterialsAndRepairs
|
1889000000 | USD |
| CY2016 | us-gaap |
Aircraft Maintenance Materials And Repairs
AircraftMaintenanceMaterialsAndRepairs
|
1834000000 | USD |
| CY2017 | us-gaap |
Aircraft Maintenance Materials And Repairs
AircraftMaintenanceMaterialsAndRepairs
|
1959000000 | USD |
| CY2015 | us-gaap |
Aircraft Rental
AircraftRental
|
1250000000 | USD |
| CY2016 | us-gaap |
Aircraft Rental
AircraftRental
|
1203000000 | USD |
| CY2017 | us-gaap |
Aircraft Rental
AircraftRental
|
1197000000 | USD |
| CY2015 | us-gaap |
Airline Capacity Purchase Arrangements
AirlineCapacityPurchaseArrangements
|
5983000000 | USD |
| CY2016 | us-gaap |
Airline Capacity Purchase Arrangements
AirlineCapacityPurchaseArrangements
|
6044000000 | USD |
| CY2017 | us-gaap |
Airline Capacity Purchase Arrangements
AirlineCapacityPurchaseArrangements
|
6546000000 | USD |
| CY2016Q4 | us-gaap |
Airline Related Inventory Net
AirlineRelatedInventoryNet
|
1094000000 | USD |
| CY2017Q4 | us-gaap |
Airline Related Inventory Net
AirlineRelatedInventoryNet
|
1359000000 | USD |
| CY2015 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
274000000 | USD |
| CY2016 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
102000000 | USD |
| CY2017 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
90000000 | USD |
| CY2015 | us-gaap |
Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
|
55000000 | USD |
| CY2016 | us-gaap |
Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
|
76000000 | USD |
| CY2017 | us-gaap |
Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
|
44000000 | USD |
| CY2015 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
764000 | shares |
| 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 |
| CY2015Q4 | us-gaap |
Aoci Tax Attributable To Parent
AociTaxAttributableToParent
|
880000000 | USD |
| CY2016Q4 | us-gaap |
Aoci Tax Attributable To Parent
AociTaxAttributableToParent
|
677000000 | USD |
| CY2017Q4 | us-gaap |
Aoci Tax Attributable To Parent
AociTaxAttributableToParent
|
630000000 | USD |
| CY2016Q4 | us-gaap |
Assets
Assets
|
51274000000 | USD |
| CY2017Q4 | us-gaap |
Assets
Assets
|
51396000000 | USD |
| CY2016Q4 | us-gaap |
Assets Current
AssetsCurrent
|
10324000000 | USD |
| CY2017Q4 | us-gaap |
Assets Current
AssetsCurrent
|
9146000000 | USD |
| CY2015 | us-gaap |
Business Combination Integration Related Costs
BusinessCombinationIntegrationRelatedCosts
|
826000000 | USD |
| CY2016Q4 | us-gaap |
Business Combination Integration Related Costs
BusinessCombinationIntegrationRelatedCosts
|
121000000 | USD |
| CY2016 | us-gaap |
Business Combination Integration Related Costs
BusinessCombinationIntegrationRelatedCosts
|
514000000 | USD |
| CY2017Q4 | us-gaap |
Business Combination Integration Related Costs
BusinessCombinationIntegrationRelatedCosts
|
81000000 | USD |
| CY2017 | us-gaap |
Business Combination Integration Related Costs
BusinessCombinationIntegrationRelatedCosts
|
273000000 | USD |
| CY2015 | us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
5000000 | USD |
| CY2016 | us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
0 | USD |
| CY2017 | us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
0 | USD |
| CY2015 | us-gaap |
Cargo And Freight Revenue
CargoAndFreightRevenue
|
760000000 | USD |
| CY2016 | us-gaap |
Cargo And Freight Revenue
CargoAndFreightRevenue
|
700000000 | USD |
| CY2017 | us-gaap |
Cargo And Freight Revenue
CargoAndFreightRevenue
|
800000000 | USD |
| CY2014Q4 | us-gaap |
Cash
Cash
|
994000000 | USD |
| CY2015Q4 | us-gaap |
Cash
Cash
|
390000000 | USD |
| CY2016Q4 | us-gaap |
Cash
Cash
|
322000000 | USD |
| CY2017Q4 | us-gaap |
Cash
Cash
|
295000000 | USD |
| CY2015 | us-gaap |
Cash Period Increase Decrease
CashPeriodIncreaseDecrease
|
-604000000 | USD |
| CY2016 | us-gaap |
Cash Period Increase Decrease
CashPeriodIncreaseDecrease
|
-68000000 | USD |
| CY2017 | us-gaap |
Cash Period Increase Decrease
CashPeriodIncreaseDecrease
|
-27000000 | USD |
| CY2016Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
| CY2017Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
| CY2017Q4 | us-gaap |
Common Stock Capital Shares Reserved For Future Issuance
CommonStockCapitalSharesReservedForFutureIssuance
|
24500000 | shares |
| CY2015Q1 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.1 | |
| CY2015Q2 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.1 | |
| CY2015Q3 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.1 | |
| CY2015Q4 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.1 | |
| CY2015 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.40 | |
| CY2015 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.4 | |
| CY2016Q1 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.1 | |
| CY2016Q2 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.1 | |
| CY2016Q3 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.1 | |
| CY2016Q4 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.1 | |
| CY2016 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.40 | |
| CY2016 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.4 | |
| CY2017Q1 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.1 | |
| CY2017Q2 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.1 | |
| CY2017Q3 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.1 | |
| CY2017Q4 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.10 | |
| CY2017 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.40 | |
| CY2017 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.4 | |
| CY2016Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.01 | |
| CY2017Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.01 | |
| CY2016Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
1750000000 | shares |
| CY2017Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
1750000000 | shares |
| CY2016Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
507294153 | shares |
| CY2017Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
475507887 | shares |
| CY2016Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
507294153 | shares |
| CY2017Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
475507887 | shares |
| CY2016Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
5000000 | USD |
| CY2017Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
5000000 | USD |
| CY2015 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
7437000000 | USD |
| CY2016 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
2325000000 | USD |
| CY2017 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
1848000000 | USD |
| CY2015 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
34786000000 | USD |
| CY2016Q1 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
8100000000 | USD |
| CY2016Q2 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
8612000000 | USD |
| CY2016Q3 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
9163000000 | USD |
| CY2016Q4 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
9022000000 | USD |
| CY2016 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
34896000000 | USD |
| CY2017Q1 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
9023000000 | USD |
| CY2017Q2 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
9570000000 | USD |
| CY2017Q3 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
9646000000 | USD |
| CY2017Q4 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
9910000000 | USD |
| CY2017 | us-gaap |
Costs And Expenses
CostsAndExpenses
|
38149000000 | USD |
| CY2015 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | USD |
| CY2016 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | USD |
| CY2017 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | USD |
| CY2015 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
20000000 | USD |
| CY2016 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
12000000 | USD |
| CY2017 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
24000000 | USD |
| CY2015 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
20000000 | USD |
| CY2016 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
12000000 | USD |
| CY2017 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
24000000 | USD |
| CY2017Q4 | us-gaap |
Debt And Capital Lease Obligations
DebtAndCapitalLeaseObligations
|
25301000000 | USD |
| CY2016Q4 | us-gaap |
Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
|
229000000 | USD |
| CY2017Q4 | us-gaap |
Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
|
236000000 | USD |
| CY2015 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
-2884000000 | USD |
| CY2016 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
1508000000 | USD |
| CY2017 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
1085000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Income Tax Assets Net
DeferredIncomeTaxAssetsNet
|
1498000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Income Tax Assets Net
DeferredIncomeTaxAssetsNet
|
427000000 | USD |
| CY2015 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
-3014000000 | USD |
| CY2016 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
1611000000 | USD |
| CY2017 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
1141000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
7561000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
5324000000 | USD |
| CY2015 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
-130000000 | USD |
| CY2016 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
103000000 | USD |
| CY2017 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
56000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Deferred Gain On Sale Leaseback Transaction
DeferredTaxAssetsDeferredGainOnSaleLeasebackTransaction
|
213000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Deferred Gain On Sale Leaseback Transaction
DeferredTaxAssetsDeferredGainOnSaleLeasebackTransaction
|
107000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Frequent Flier Liability
DeferredTaxAssetsFrequentFlierLiability
|
485000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Frequent Flier Liability
DeferredTaxAssetsFrequentFlierLiability
|
420000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
9077000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
5754000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
1487000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
394000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
9048000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
5718000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
3853000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
2281000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
972000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
678000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax
DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax
|
344000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax
DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax
|
344000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
|
2610000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
|
1559000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits
|
291000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits
|
170000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent
|
256000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent
|
160000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
|
53000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
|
35000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
29000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
36000000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
345000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
279000000 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets
DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
|
0.08 | |
| CY2017 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1
|
51000000 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1
|
2000000 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation
|
54000000 | USD |
| CY2017 | us-gaap |
Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents
|
2000000 | USD |
| CY2017Q4 | us-gaap |
Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year
DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
|
42000000 | USD |
| CY2012 | us-gaap |
Defined Benefit Plan Plan Amendments
DefinedBenefitPlanPlanAmendments
|
-1900000000 | USD |
| CY2016Q4 | us-gaap |
Deposits On Flight Equipment
DepositsOnFlightEquipment
|
1209000000 | USD |
| CY2017Q4 | us-gaap |
Deposits On Flight Equipment
DepositsOnFlightEquipment
|
1200000000 | USD |
| CY2017Q4 | us-gaap |
Deposits On Flight Equipment
DepositsOnFlightEquipment
|
1217000000 | USD |
| CY2015 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
1364000000 | USD |
| CY2016 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
1525000000 | USD |
| CY2017 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
1702000000 | USD |
| CY2015 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
1700000000 | USD |
| CY2016 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
1900000000 | USD |
| CY2017 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
2200000000 | USD |
| CY2015 | us-gaap |
Dividends Common Stock
DividendsCommonStock
|
278000000 | USD |
| CY2016 | us-gaap |
Dividends Common Stock
DividendsCommonStock
|
224000000 | USD |
| CY2017 | us-gaap |
Dividends Common Stock
DividendsCommonStock
|
198000000 | USD |
| CY2015 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
11.39 | |
| CY2016Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.15 | |
| CY2016Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.69 | |
| CY2016Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.40 | |
| CY2016Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.56 | |
| CY2016 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
4.85 | |
| CY2017Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.46 | |
| CY2017Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.64 | |
| CY2017Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.29 | |
| CY2017Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.54 | |
| CY2017 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
3.92 | |
| CY2015 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
11.07 | |
| CY2016Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.14 | |
| CY2016Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.68 | |
| CY2016Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.40 | |
| CY2016Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.56 | |
| CY2016 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
4.81 | |
| CY2017Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.46 | |
| CY2017Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.63 | |
| CY2017Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.28 | |
| CY2017Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.54 | |
| CY2017 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
3.90 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.38 | |
| CY2016Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
1516000000 | USD |
| CY2017Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
1672000000 | USD |
| CY2016Q4 | us-gaap |
Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
|
578000000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
|
622000000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense After Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
|
115000000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Next Twelve Months
FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
|
41000000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
|
41000000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
|
41000000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Three
FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
|
41000000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Two
FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
|
41000000 | USD |
| CY2016Q4 | us-gaap |
Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
|
364000000 | USD |
| CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
|
320000000 | USD |
| CY2016Q4 | us-gaap |
Flight Equipment Gross
FlightEquipmentGross
|
37028000000 | USD |
| CY2017Q4 | us-gaap |
Flight Equipment Gross
FlightEquipmentGross
|
40318000000 | USD |
| CY2015 | us-gaap |
Foreign Currency Transaction Gain Loss Realized
ForeignCurrencyTransactionGainLossRealized
|
-751000000 | USD |
| CY2016 | us-gaap |
Foreign Currency Transaction Gain Loss Realized
ForeignCurrencyTransactionGainLossRealized
|
1000000 | USD |
| CY2017 | us-gaap |
Foreign Currency Transaction Gain Loss Realized
ForeignCurrencyTransactionGainLossRealized
|
-4000000 | USD |
| CY2016Q4 | us-gaap |
Frequent Flier Liability Current
FrequentFlierLiabilityCurrent
|
2789000000 | USD |
| CY2017Q4 | us-gaap |
Frequent Flier Liability Current
FrequentFlierLiabilityCurrent
|
2791000000 | USD |
| CY2017Q4 | us-gaap |
Frequent Flier Liability Noncurrent
FrequentFlierLiabilityNoncurrent
|
0 | USD |
| CY2015 | us-gaap |
Fuel Costs
FuelCosts
|
6226000000 | USD |
| CY2016 | us-gaap |
Fuel Costs
FuelCosts
|
5071000000 | USD |
| CY2017 | us-gaap |
Fuel Costs
FuelCosts
|
6128000000 | USD |
| CY2016Q4 | us-gaap |
Goodwill
Goodwill
|
4091000000 | USD |
| CY2017Q4 | us-gaap |
Goodwill
Goodwill
|
4091000000 | USD |
| CY2017 | us-gaap |
Impairment Of Intangible Assets Indefinitelived Excluding Goodwill
ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
|
0 | USD |
| CY2017 | us-gaap |
Impairment Of Intangible Assets Indefinitelived Excluding Goodwill
ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
|
0 | USD |
| CY2015 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
4616000000 | USD |
| CY2016 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
4299000000 | USD |
| CY2017 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
3084000000 | USD |
| CY2015 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
-2994000000 | USD |
| CY2016 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
1623000000 | USD |
| CY2017 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
1165000000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-4742000000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
7000000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-3000000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
1616000000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
1505000000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
1079000000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation Nondeductible Expense
IncomeTaxReconciliationNondeductibleExpense
|
57000000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Nondeductible Expense
IncomeTaxReconciliationNondeductibleExpense
|
34000000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Nondeductible Expense
IncomeTaxReconciliationNondeductibleExpense
|
33000000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
0 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
13000000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
1000000 | USD |
| CY2015 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
72000000 | USD |
| CY2016 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
63000000 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
61000000 | USD |
| CY2015 | us-gaap |
Income Taxes Paid
IncomeTaxesPaid
|
20000000 | USD |
| CY2016 | us-gaap |
Income Taxes Paid
IncomeTaxesPaid
|
16000000 | USD |
| CY2017 | us-gaap |
Income Taxes Paid
IncomeTaxesPaid
|
20000000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
|
173000000 | 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 |
| CY2015 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
-352000000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
160000000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
190000000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Air Traffic Liability1
IncreaseDecreaseInAirTrafficLiability1
|
-505000000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Air Traffic Liability1
IncreaseDecreaseInAirTrafficLiability1
|
164000000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Air Traffic Liability1
IncreaseDecreaseInAirTrafficLiability1
|
66000000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Frequent Flyer Liability
IncreaseDecreaseInFrequentFlyerLiability
|
-295000000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Frequent Flyer Liability
IncreaseDecreaseInFrequentFlyerLiability
|
264000000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Frequent Flyer Liability
IncreaseDecreaseInFrequentFlyerLiability
|
2000000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
|
27000000 | 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 |
| CY2015 | us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
-122000000 | 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 |
| CY2015 | us-gaap |
Increase Decrease In Pension Plan Obligations
IncreaseDecreaseInPensionPlanObligations
|
-6000000 | 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 |
| CY2015 | us-gaap |
Increase Decrease In Restricted Cash And Investments
IncreaseDecreaseInRestrictedCashAndInvestments
|
-79000000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Restricted Cash And Investments
IncreaseDecreaseInRestrictedCashAndInvestments
|
-57000000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Restricted Cash And Investments
IncreaseDecreaseInRestrictedCashAndInvestments
|
-319000000 | USD |
| CY2015 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
18962000 | shares |
| 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 |
| CY2016Q4 | us-gaap |
Indefinite Lived Intangible Assets Excluding Goodwill
IndefiniteLivedIntangibleAssetsExcludingGoodwill
|
1800000000 | USD |
| CY2017Q4 | us-gaap |
Indefinite Lived Intangible Assets Excluding Goodwill
IndefiniteLivedIntangibleAssetsExcludingGoodwill
|
1900000000 | USD |
| CY2016Q4 | us-gaap |
Intangible Assets Net Excluding Goodwill
IntangibleAssetsNetExcludingGoodwill
|
2173000000 | USD |
| CY2017Q4 | us-gaap |
Intangible Assets Net Excluding Goodwill
IntangibleAssetsNetExcludingGoodwill
|
2203000000 | USD |
| CY2015 | us-gaap |
Interest Expense
InterestExpense
|
880000000 | USD |
| CY2016 | us-gaap |
Interest Expense
InterestExpense
|
991000000 | USD |
| CY2017 | us-gaap |
Interest Expense
InterestExpense
|
1053000000 | USD |
| CY2015 | us-gaap |
Interest Paid Net
InterestPaidNet
|
873000000 | USD |
| CY2016 | us-gaap |
Interest Paid Net
InterestPaidNet
|
964000000 | USD |
| CY2017 | us-gaap |
Interest Paid Net
InterestPaidNet
|
1040000000 | USD |
| CY2015 | us-gaap |
Investment Income Interest
InvestmentIncomeInterest
|
39000000 | USD |
| CY2016 | us-gaap |
Investment Income Interest
InvestmentIncomeInterest
|
63000000 | USD |
| CY2017 | us-gaap |
Investment Income Interest
InvestmentIncomeInterest
|
94000000 | USD |
| CY2015 | us-gaap |
Labor And Related Expense
LaborAndRelatedExpense
|
9524000000 | USD |
| CY2016 | us-gaap |
Labor And Related Expense
LaborAndRelatedExpense
|
10890000000 | USD |
| CY2017 | us-gaap |
Labor And Related Expense
LaborAndRelatedExpense
|
11816000000 | USD |
| CY2015 | us-gaap |
Landing Fees And Other Rentals
LandingFeesAndOtherRentals
|
1731000000 | USD |
| CY2016 | us-gaap |
Landing Fees And Other Rentals
LandingFeesAndOtherRentals
|
1772000000 | USD |
| CY2017 | us-gaap |
Landing Fees And Other Rentals
LandingFeesAndOtherRentals
|
1806000000 | USD |
| CY2015 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
2800000000 | USD |
| CY2016 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
2800000000 | USD |
| CY2017 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
2800000000 | USD |
| CY2016Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
51274000000 | USD |
| CY2017Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
51396000000 | USD |
| CY2016Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
13872000000 | USD |
| CY2017Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
14964000000 | USD |
| CY2016Q4 | us-gaap |
Liabilities Noncurrent
LiabilitiesNoncurrent
|
33617000000 | USD |
| CY2017Q4 | us-gaap |
Liabilities Noncurrent
LiabilitiesNoncurrent
|
32506000000 | USD |
| CY2016Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations
LongTermDebtAndCapitalLeaseObligations
|
22489000000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations
LongTermDebtAndCapitalLeaseObligations
|
22511000000 | USD |
| CY2016Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Current
LongTermDebtAndCapitalLeaseObligationsCurrent
|
1855000000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Current
LongTermDebtAndCapitalLeaseObligationsCurrent
|
2554000000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal After Year Five
LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive
|
11622000000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Five
LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive
|
1288000000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Four
LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour
|
2856000000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Three
LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree
|
4069000000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Two
LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo
|
2868000000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Repayments Of Principal In Next Twelve Months
LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths
|
2598000000 | USD |
| CY2017Q4 | us-gaap |
Longterm Debt Percentage Bearing Variable Interest Amount
LongtermDebtPercentageBearingVariableInterestAmount
|
9600000000 | USD |
| CY2015 | us-gaap |
Marketing And Advertising Expense
MarketingAndAdvertisingExpense
|
110000000 | USD |
| CY2016 | us-gaap |
Marketing And Advertising Expense
MarketingAndAdvertisingExpense
|
116000000 | USD |
| CY2017 | us-gaap |
Marketing And Advertising Expense
MarketingAndAdvertisingExpense
|
135000000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-1259000000 | 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 |
| CY2015 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-5594000000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-5698000000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-3626000000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
6249000000 | 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 |
| CY2015 | us-gaap |
Net Income Loss
NetIncomeLoss
|
7610000000 | USD |
| CY2016Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
700000000 | USD |
| CY2016Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
950000000 | USD |
| CY2016Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
737000000 | USD |
| CY2016Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
289000000 | USD |
| CY2016 | us-gaap |
Net Income Loss
NetIncomeLoss
|
2676000000 | USD |
| CY2017Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
234000000 | USD |
| CY2017Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
803000000 | USD |
| CY2017Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
624000000 | USD |
| CY2017Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
258000000 | USD |
| CY2017 | us-gaap |
Net Income Loss
NetIncomeLoss
|
1919000000 | USD |
| CY2015 | us-gaap |
Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
|
7610000000 | USD |
| CY2016 | us-gaap |
Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
|
2676000000 | USD |
| CY2017 | us-gaap |
Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
|
1919000000 | USD |
| CY2016 | us-gaap |
New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification
NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
|
418000000 | USD |
| CY2015 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-1588000000 | USD |
| CY2016 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-985000000 | USD |
| CY2017 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-974000000 | USD |
| CY2017 | us-gaap |
Number Of Operating Segments
NumberOfOperatingSegments
|
1 | Segments |
| CY2017 | us-gaap |
Number Of Reporting Units
NumberOfReportingUnits
|
1 | Reporting_Unit |
| CY2016 | us-gaap |
Oci Before Reclassifications Net Of Tax Attributable To Parent
OciBeforeReclassificationsNetOfTaxAttributableToParent
|
-286000000 | USD |
| CY2017 | us-gaap |
Oci Before Reclassifications Net Of Tax Attributable To Parent
OciBeforeReclassificationsNetOfTaxAttributableToParent
|
-16000000 | USD |
| CY2015 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
6204000000 | USD |
| CY2016Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1335000000 | USD |
| CY2016Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1751000000 | USD |
| CY2016Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1431000000 | USD |
| CY2016Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
767000000 | USD |
| CY2016 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
5284000000 | USD |
| CY2017Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
601000000 | USD |
| CY2017Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1535000000 | USD |
| CY2017Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
1232000000 | USD |
| CY2017Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
690000000 | USD |
| CY2017 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
4058000000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
|
11717000000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
|
2195000000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
|
1159000000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
|
1339000000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
|
1784000000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
|
1974000000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
|
3266000000 | USD |
| CY2016Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
2208000000 | USD |
| CY2017Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
2281000000 | USD |
| CY2016Q4 | us-gaap |
Other Assets Miscellaneous Noncurrent
OtherAssetsMiscellaneousNoncurrent
|
2029000000 | USD |
| CY2017Q4 | us-gaap |
Other Assets Miscellaneous Noncurrent
OtherAssetsMiscellaneousNoncurrent
|
1373000000 | USD |
| CY2016Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
9791000000 | USD |
| CY2017Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
8094000000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
|
-5000000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
|
10000000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
|
-1000000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Before Reclassifications Tax
OtherComprehensiveIncomeLossBeforeReclassificationsTax
|
-166000000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Before Reclassifications Tax
OtherComprehensiveIncomeLossBeforeReclassificationsTax
|
-15000000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax
|
-9000000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
-173000000 | 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 |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax
|
51000000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax
|
293000000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax
|
15000000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
|
159000000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
|
564000000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
|
117000000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax
|
-108000000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax
|
-65000000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax
|
-55000000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
|
-203000000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
|
-47000000 | USD |
| CY2015 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
4374000000 | USD |
| CY2016 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
4525000000 | USD |
| CY2017 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
4806000000 | USD |
| CY2016Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
3286000000 | USD |
| CY2017Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
2498000000 | USD |
| CY2015 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
12000000 | USD |
| CY2016 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
18000000 | USD |
| CY2017 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
39000000 | USD |
| CY2015 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
-747000000 | USD |
| CY2016 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
-57000000 | USD |
| CY2017 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
-15000000 | USD |
| CY2015 | us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
4718000000 | USD |
| CY2016 | us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
4901000000 | USD |
| CY2017 | us-gaap |
Other Sales Revenue Net
OtherSalesRevenueNet
|
5274000000 | USD |
| CY2017 | us-gaap |
Passenger Revenue
PassengerRevenue
|
36133000000 | USD |
| CY2015 | us-gaap |
Passenger Revenue Mainline
PassengerRevenueMainline
|
29037000000 | USD |
| CY2016 | us-gaap |
Passenger Revenue Mainline
PassengerRevenueMainline
|
27909000000 | USD |
| CY2017 | us-gaap |
Passenger Revenue Mainline
PassengerRevenueMainline
|
29238000000 | USD |
| CY2015 | us-gaap |
Passenger Revenue Regional
PassengerRevenueRegional
|
6475000000 | USD |
| CY2016 | us-gaap |
Passenger Revenue Regional
PassengerRevenueRegional
|
6670000000 | USD |
| CY2017 | us-gaap |
Passenger Revenue Regional
PassengerRevenueRegional
|
6895000000 | USD |
| CY2015 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
3846000000 | 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 |
| CY2015 | us-gaap |
Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
|
87000000 | USD |
| CY2016 | us-gaap |
Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
|
77000000 | USD |
| CY2017 | us-gaap |
Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
|
85000000 | USD |
| CY2015 | us-gaap |
Payments Of Dividends
PaymentsOfDividends
|
269000000 | USD |
| CY2016 | us-gaap |
Payments Of Dividends
PaymentsOfDividends
|
224000000 | USD |
| CY2017 | us-gaap |
Payments Of Dividends
PaymentsOfDividends
|
198000000 | USD |
| CY2015 | us-gaap |
Payments Of Ordinary Dividends
PaymentsOfOrdinaryDividends
|
278000000 | USD |
| CY2016 | us-gaap |
Payments Of Ordinary Dividends
PaymentsOfOrdinaryDividends
|
224000000 | USD |
| CY2017 | us-gaap |
Payments Of Ordinary Dividends
PaymentsOfOrdinaryDividends
|
198000000 | USD |
| CY2015 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
306000000 | 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 |
| CY2015 | us-gaap |
Payments To Acquire Equity Method Investments
PaymentsToAcquireEquityMethodInvestments
|
0 | 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 |
| CY2015 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
6151000000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
5731000000 | USD |
| CY2017 | us-gaap |
Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
|
5971000000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
|
8126000000 | 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 |
| CY2015 | us-gaap |
Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash
PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash
|
-193000000 | 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 |
| CY2016Q4 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
7842000000 | USD |
| CY2017Q4 | us-gaap |
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
|
7497000000 | USD |
| CY2016Q4 | us-gaap |
Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
|
639000000 | USD |
| CY2017Q4 | us-gaap |
Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
|
651000000 | USD |
| CY2015 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
5009000000 | 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 |
| CY2015 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
96000000 | 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 |
| CY2015 | us-gaap |
Proceeds From Sale Of Other Investments
ProceedsFromSaleOfOtherInvestments
|
52000000 | 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 |
| CY2015 | us-gaap |
Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
|
8517000000 | 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 |
| CY2016Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
45353000000 | USD |
| CY2017Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
49802000000 | USD |
| CY2016Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
31159000000 | USD |
| CY2017Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
34156000000 | USD |
| CY2016Q4 | us-gaap |
Receivables Net Current
ReceivablesNetCurrent
|
1594000000 | USD |
| CY2017Q4 | us-gaap |
Receivables Net Current
ReceivablesNetCurrent
|
1752000000 | USD |
| CY2016 | us-gaap |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
65000000 | USD |
| CY2017 | us-gaap |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
55000000 | USD |
| CY2016 | us-gaap |
Reclassification From Aoci Current Period Tax
ReclassificationFromAociCurrentPeriodTax
|
37000000 | USD |
| CY2017 | us-gaap |
Reclassification From Aoci Current Period Tax
ReclassificationFromAociCurrentPeriodTax
|
32000000 | USD |
| CY2015 | us-gaap |
Repayments Of Debt And Capital Lease Obligations
RepaymentsOfDebtAndCapitalLeaseObligations
|
2153000000 | 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 |
| CY2016Q4 | us-gaap |
Restricted Cash And Investments Current
RestrictedCashAndInvestmentsCurrent
|
638000000 | USD |
| CY2017Q4 | us-gaap |
Restricted Cash And Investments Current
RestrictedCashAndInvestmentsCurrent
|
318000000 | USD |
| CY2015 | us-gaap |
Restructuring Charges
RestructuringCharges
|
210000000 | USD |
| CY2016Q4 | us-gaap |
Restructuring Charges
RestructuringCharges
|
104000000 | USD |
| CY2016 | us-gaap |
Restructuring Charges
RestructuringCharges
|
177000000 | USD |
| CY2017Q4 | us-gaap |
Restructuring Charges
RestructuringCharges
|
58000000 | USD |
| CY2017 | us-gaap |
Restructuring Charges
RestructuringCharges
|
232000000 | USD |
| CY2016Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
1640000000 | USD |
| CY2017Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
3361000000 | USD |
| CY2015 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
40990000000 | USD |
| CY2016Q1 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
9435000000 | USD |
| CY2016Q2 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
10363000000 | USD |
| CY2016Q3 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
10594000000 | USD |
| CY2016Q4 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
9789000000 | USD |
| CY2016 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
40180000000 | USD |
| CY2017Q1 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
9624000000 | USD |
| CY2017Q2 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
11105000000 | USD |
| CY2017Q3 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
10878000000 | USD |
| CY2017Q4 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
10600000000 | USD |
| CY2017 | us-gaap |
Sales Revenue Net
SalesRevenueNet
|
42207000000 | USD |
| CY2015 | us-gaap |
Selling And Marketing Expense
SellingAndMarketingExpense
|
1394000000 | USD |
| CY2016 | us-gaap |
Selling And Marketing Expense
SellingAndMarketingExpense
|
1323000000 | USD |
| CY2017 | us-gaap |
Selling And Marketing Expense
SellingAndMarketingExpense
|
1477000000 | USD |
| CY2015 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
284000000 | USD |
| CY2016 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
100000000 | USD |
| CY2017 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
90000000 | USD |
| CY2015 | us-gaap |
Shares Paid For Tax Withholding For Share Based Compensation
SharesPaidForTaxWithholdingForShareBasedCompensation
|
7000000 | shares |
| 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 |
| CY2016Q4 | us-gaap |
Short Term Investments
ShortTermInvestments
|
6037000000 | USD |
| CY2017Q4 | us-gaap |
Short Term Investments
ShortTermInvestments
|
4771000000 | USD |
| CY2015 | us-gaap |
Stock Issued During Period Shares Share Based Compensation
StockIssuedDuringPeriodSharesShareBasedCompensation
|
12289537 | 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 |
| CY2017Q4 | us-gaap |
Stock Repurchase Program Authorized Amount1
StockRepurchaseProgramAuthorizedAmount1
|
11000000000 | USD |
| CY2017Q4 | us-gaap |
Stock Repurchase Program Remaining Authorized Repurchase Amount1
StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
|
450000000 | USD |
| us-gaap |
Stock Repurchased And Retired During Period Shares
StockRepurchasedAndRetiredDuringPeriodShares
|
262300000 | shares | |
| CY2015 | us-gaap |
Stock Repurchased And Retired During Period Shares
StockRepurchasedAndRetiredDuringPeriodShares
|
85100000 | shares |
| CY2015 | us-gaap |
Stock Repurchased And Retired During Period Shares
StockRepurchasedAndRetiredDuringPeriodShares
|
85141691 | shares |
| CY2016 | us-gaap |
Stock Repurchased And Retired During Period Shares
StockRepurchasedAndRetiredDuringPeriodShares
|
119800000 | shares |
| CY2016 | us-gaap |
Stock Repurchased And Retired During Period Shares
StockRepurchasedAndRetiredDuringPeriodShares
|
119823621 | shares |
| CY2017 | us-gaap |
Stock Repurchased And Retired During Period Shares
StockRepurchasedAndRetiredDuringPeriodShares
|
33900000 | shares |
| us-gaap |
Stock Repurchased And Retired During Period Value
StockRepurchasedAndRetiredDuringPeriodValue
|
10600000000 | USD | |
| CY2015 | us-gaap |
Stock Repurchased And Retired During Period Value
StockRepurchasedAndRetiredDuringPeriodValue
|
3586000000 | USD |
| CY2015 | us-gaap |
Stock Repurchased And Retired During Period Value
StockRepurchasedAndRetiredDuringPeriodValue
|
3600000000 | 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 |
| CY2014Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
2021000000 | USD |
| CY2015Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
5635000000 | USD |
| CY2016Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
3785000000 | USD |
| CY2017Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
3926000000 | USD |
| CY2015 | us-gaap |
Transfer Of Investments
TransferOfInvestments
|
0 | USD |
| CY2016 | us-gaap |
Transfer Of Investments
TransferOfInvestments
|
0 | USD |
| CY2017 | us-gaap |
Transfer Of Investments
TransferOfInvestments
|
120000000 | USD |
| us-gaap |
Treasury Stock Acquired Average Cost Per Share
TreasuryStockAcquiredAverageCostPerShare
|
40.22 | ||
| CY2015 | us-gaap |
Treasury Stock Acquired Average Cost Per Share
TreasuryStockAcquiredAverageCostPerShare
|
42.09 | |
| 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 | |
| CY2015 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
-4800000000 | USD |
| 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 |
| CY2015 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
687355000 | shares |
| CY2016Q1 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
611488000 | shares |
| CY2016Q2 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
566040000 | shares |
| CY2016Q3 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
528510000 | shares |
| CY2016Q4 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
518358000 | shares |
| 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
|
479382000 | shares |
| CY2017 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
491692000 | shares |
| CY2015 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
668393000 | shares |
| CY2016Q1 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
606245000 | shares |
| CY2016Q2 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
563000000 | shares |
| CY2016Q3 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
525415000 | shares |
| CY2016Q4 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
514571000 | 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 |
