Accounts Payable Current Accounts payable Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Less accumulated depreciation and amortization Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive income Additional Paid In Capital Common Stock Additional paid-in capital Airbus Aircraft Financing [Member] Airbus Aircraft Financing [Member] Airbus Aircraft Financing Aircraft Maintenance Materials And Repairs Aircraft maintenance Aircraft Rental Aircraft rent Airline Capacity Purchase Arrangements Express expenses Express expenses This element may be used as a single block of text to encapsulate the entire disclosure for airline capacity purchase arrangements including data and tables. Airline capacity purchase arrangements include costs incurred related to air services provided by third-party transportation companies, including regional affiliates. Airline Capacity Purchase Arrangements [Text Block] Express Expenses Airline Related Inventory Net Materials and supplies, net Air Traffic Liability Current Air traffic liability Amendment Flag Amendment Flag Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Antidilutive securities excluded from computation of diluted EPS Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Name [Domain] Antidilutive Securities, Name [Domain] Assets Total assets Assets [Abstract] ASSETS Assets Current Total current assets Assets Current [Abstract] Current assets Available For Sale Securities Change In Net Unrealized Holding Gain Loss Reversal of net unrealized gains on available-for-sale securities Available For Sale Securities Income Tax Expense On Change In Unrealized Holding Gain Or Loss Income tax provision recorded in OCI resulting from change in unrealized holding gains Reversal of tax provision in other comprehensive income Amounts paid to third-party transportation companies for operating an agreed-upon number of aircraft, without regard to the number of passengers on board. Capacity Purchases Capacity purchases Cargo And Freight Revenue Cargo Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Net increase in cash and cash equivalents Cash paid by Delta to US Airways in connection with slot transaction. Cash Received In Slot Transaction Cash received in slot transaction Commitments And Contingencies Commitments and contingencies Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common Stock Value Common stock Comprehensive Income Net Of Tax Total comprehensive income Costs And Expenses Total operating expenses Costs And Expenses [Abstract] Operating expenses: Current Federal Tax Expense Benefit Federal income tax expense Current Fiscal Year End Date Current Fiscal Year End Date Current State And Local Tax Expense Benefit State income tax expense Debt Instrument Carrying Amount Total long-term debt and capital lease obligations Debt Instrument Interest Rate At Period End Interest rate at end of period Debt Instrument Interest Rate Stated Percentage Stated interest rate on debt Debt Instrument Interest Rate Stated Percentage Rate Range Maximum Fixed and variable interest rates, maximum Debt Instrument Interest Rate Stated Percentage Rate Range Minimum Fixed and variable interest rates, minimum Debt Instrument [Line Items] Debt Instrument [Line Items] The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount. Debt Instruments Face Amount Aggregate principal amount borrowed Year when the debt instrument is scheduled to be fully repaid. Debt Instruments Maturity Date Debt Instrument, Maturity Date Latest year the outstanding debt instruments are required to be repaid. Debt Instruments Maturity Date Range End Debt Instrument, Maturity Date Range, End Earliest year the outstanding debt instruments are required to be repaid. Debt Instruments Maturity Date Range Start Debt instrument, Maturity Date Range, Start Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument Unamortized Discount Less: Total unamortized discount on debt Deferred gain from slot transaction. Deferred Gain From Slot Transaction Deferred gain from slot transaction Deferred Revenue And Credits Noncurrent Deferred gains and credits, net Deferred Tax Assets Operating Loss Carryforwards State And Local Tax-effected net operating losses, state Deposits On Flight Equipment Equipment purchase deposits Depreciation And Amortization Depreciation and amortization Disclosure - Components of Express Expenses [Abstract] Disclosure Components Of Express Expenses [Abstract] Disclosure - Components of Express Expenses [Abstract] Disclosure - Computation of Basic and Diluted EPS [Abstract] Disclosure Computation Of Basic And Diluted E P S [Abstract] Disclosure - Computation of Basic and Diluted EPS [Abstract] Disclosure Debt [Abstract] Disclosure Debt [Abstract] Disclosure Debt [Abstract] Disclosure Debt Additional Information [Abstract] Disclosure Debt Additional Information [Abstract] Disclosure Debt Additional Information [Abstract] Disclosure Income Taxes Additional Information [Abstract] Disclosure Income Taxes Additional Information [Abstract] Disclosure Income Taxes Additional Information [Abstract] Disclosure - Net Payable Balances to Related Parties [Abstract] Disclosure Net Payable Balances To Related Parties [Abstract] Disclosure - Net Payable Balances to Related Parties [Abstract] Disclosure - Slot Transaction - Additional Information [Abstract] Disclosure Slot Transaction Additional Information [Abstract] Disclosure - Slot Transaction - Additional Information [Abstract] Disclosure - Special Items [Abstract] Disclosure Special Items [Abstract] Disclosure - Special Items [Abstract] Divestiture of Slot Pairs at Washington National to airlines with limited or no service. Divestiture Of Dca Slot Pairs To Airlines With Limited Or No Service Divestiture of slot pairs, Washington National Divestiture of Slot Pairs at LaGuardia to airlines with limited or no service. Divestiture Of Lga Slot Pairs To Airlines With Limited Or No Service Divestiture of slot pairs, LaGuardia Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Information [Table] Document Information [Table] Document Period End Date Document Period End Date Document Type Document Type Due To Related Parties Current Payables to related parties, net Earnings Per Share [Abstract] Earnings per common share: Earnings Per Share Basic Basic earnings per common share Basic EPS Earnings Per Share Basic [Abstract] Basic EPS: Earnings Per Share Diluted Diluted earnings per common share Diluted EPS Earnings Per Share Diluted [Abstract] Diluted EPS: Earnings Per Share [Text Block] Earnings Per Common Share The total amount of EETC funds issued by pass-through trusts as of the date of each statement of financial position presented. Eetc Funds Issued Aggregate face amount of EETCs issued Employee Related Liabilities Current Accrued compensation and vacation Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity [Domain] Entity [Domain] Entity Filer Category Entity Filer Category Entity Information [Line Items] Entity Information [Line Items] Entity Registrant Name Entity Registrant Name Express Expenses [Axis] Express Expenses [Axis] Express Expenses [Axis] Express Expenses [Domain] Express Expenses [Domain] Express Expenses [Domain] Express Expenses [Line Items] Express Expenses [Line Items] Express Expenses [Line Items] Express expenses. Express Expenses [Member] Express Expenses Express Expenses [Table] Express Expenses [Table] Express Expenses [Table] Fair value of slot transaction. Fair Value Of Slot Transaction Fair value of slot transaction Federal valuation allowance. Federal Valuation Allowance [Member] Federal valuation allowance Finite Lived Intangible Assets Accumulated Amortization Accumulated Amortization of Other Intangibles Flight Equipment Owned Gross Flight equipment Fuel Costs Aircraft fuel and related taxes Gain Loss On Disposition Of Intangible Assets Recognized gain resulting from slot transaction in accordance with lapse of DOT restrictions Identification of net operating losses included in deferred tax assets. Identification Of Net Operating Losses Included In Deferred Tax Assets [Member] Identification Of Net Operating Losses Included In Deferred Tax Assets Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments Income before income taxes Income Tax Disclosure [Text Block] Income Taxes Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes Paid Income taxes paid Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Income Tax Expense Benefit Income Tax Expense (Benefit) Income tax provision Increase Decrease In Restricted Cash Decrease (increase) in long-term restricted cash Incremental Common Shares Attributable To Conversion Of Debt Securities Assumed conversion of convertible senior notes Incremental Common Shares Attributable To Share Based Payment Arrangements Dilutive effect of stock awards Intangible Assets Net Excluding Goodwill Other intangibles, net of accumulated amortization Interest Expense Interest expense, net Interest On Convertible Debt Net Of Tax Interest expense Interest Paid Net Interest paid, net of amounts capitalized The amounts accrued for interest on an advance for which payment is deferred. Interest Payable Converted To Debt Interest payable converted to debt Investment Income Interest Interest income Labor And Related Expense Salaries and related costs Landing Fees And Other Rentals Other rent and landing fees Legal Entity [Axis] Legal Entity [Axis] Legal Matters And Contingencies [Text Block] Legal Proceedings Liabilities And Stockholders Equity Total liabilities and stockholders' equity Liabilities And Stockholders Equity [Abstract] LIABILITIES & STOCKHOLDERS' EQUITY Liabilities Current Total current liabilities Liabilities Current [Abstract] Current liabilities Liabilities Noncurrent Total noncurrent liabilities and deferred credits Liabilities Noncurrent [Abstract] Noncurrent liabilities and deferred credits Long Term Debt And Capital Lease Obligations Long-term debt and capital lease obligations, net of current maturities Long-term debt and capital leases, net of current maturities Long Term Debt And Capital Lease Obligations Current Current maturities of debt and capital leases Current maturities Long Term Debt Fair Value Fair value of long-term debt Long Term Debt [Text Block] Debt Longterm Debt Type [Axis] Long-term Debt, Type [Axis] Longterm Debt Type [Domain] Long-term Debt, Type [Domain] Net Cash Provided By Used In Financing Activities Net cash provided by financing activities Net Cash Provided By Used In Financing Activities [Abstract] Cash flows from financing activities: Net Cash Provided By Used In Investing Activities Net cash used in investing activities Net Cash Provided By Used In Investing Activities [Abstract] Cash flows from investing activities: Net Cash Provided By Used In Operating Activities Net cash provided by operating activities Net Income Loss Net income Net income Net Income Loss Available To Common Stockholders Diluted Net income for purposes of computing diluted EPS Nonoperating Income Expense Total nonoperating expense, net Nonoperating Income Expense [Abstract] Nonoperating income (expense): Number of aircraft financed or to be financed. Number Of Aircraft Financed Or To Be Financed Number of aircraft financed or to be financed Number of aircraft refinanced. Number Of Aircraft Refinanced Number of Aircraft Refinanced Number of aircraft to be acquired from Republic. Number Of Embraer Aircraft To Be Acquired Number of aircraft to be acquired from Republic Operating Income Loss Operating income Operating Loss Carryforwards Expiration Dates Operating loss carryforwards, expiration dates The amount of federal operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws. Operating Loss Carryforwards Federal Operating loss Carryforwards, federal Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Basis of Presentation Other Accrued Liabilities Current Other accrued expenses Other Assets Noncurrent Other assets Other Assets Noncurrent [Abstract] Other assets Other Comprehensive Income Loss Net Of Tax Total other comprehensive income (loss) Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent [Abstract] Other comprehensive income (loss): Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax Pension and other postretirement benefits Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax Unrealized gains recorded in OCI Other Cost And Expense Operating Other Other expenses Other Liabilities Noncurrent Employee benefit liabilities and other Other Noncash Investing And Financing Items [Abstract] Non-cash investing and financing activities: Other Nonoperating Income Expense Other, net Other Postretirement Defined Benefit Plan Liabilities Noncurrent Postretirement benefits other than pensions Other Sales Revenue Net Other Other secured obligations Other Secured Obligations [Member] Other secured obligations Pairs of slots to be transferred by other airline to parent. Pairs Of Slots To Be Transferred By Other Airline To Parent Pairs of slots to be transferred by other Airline to Parent, number Pairs of slots transferred by parent to Other airline. Pairs Of Slots Transferred By Parent To Other Airline Pairs of slots transferred by parent to other airline Parent Company [Member] US Airways Group Passenger Revenue Mainline Mainline passenger Passenger Revenue Regional Express passenger Payments Of Debt Issuance Costs Deferred financing costs Payments To Acquire Property Plant And Equipment Purchases of property and equipment Payments To Acquire Short Term Investments Purchases of marketable securities Prepaid Expense And Other Assets Current Prepaid expenses and other Prepaid Expense And Other Assets Noncurrent Total other assets Proceeds From Debt Net Of Issuance Costs Net proceeds from aggregate principal amount borrowed Proceeds From Issuance Of Long Term Debt Proceeds from issuance of debt Proceeds From Payments For Other Financing Activities Other Proceeds From Sale Of Property Plant And Equipment Proceeds from dispositions of property and equipment Proceeds From Sale Of Short Term Investments Sales of marketable securities Property Plant And Equipment Net Total property and equipment Property Plant And Equipment Net [Abstract] Property and equipment Property Plant And Equipment Other Ground property and equipment Property Plant And Equipment Owned Net Property and equipment net, excluding equipment purchase deposits Receivables Net Current Accounts receivable, net Approximate period that outstanding pre-purchase of frequent flyer miles will be reduced. Reduction Period Reduction Period Related Party [Domain] Related Party [Domain] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Related Party Transactions By Related Party [Axis] Related Party [Axis] Related Party Transactions Disclosure [Text Block] Related Party Transactions Remaining Aircraft To Be Acquired From Republic Remaining Aircraft To Be Acquired From Republic Remaining aircraft to be acquired from Republic Remaining escrowed funds held by depository. Remaining Escrowed Funds Held By Depository Remaining escrowed funds held by depository. Repayments Of Long Term Debt And Capital Securities Repayments of debt and capital lease obligations Restricted Cash And Cash Equivalents Noncurrent Restricted cash Significant and non-routine operating expenses such as asset impairments and restructuring charges that may not be an indicator of future cash flows. Restructuring And Other Special items, net Description of significant and non-routine operating expenses such as asset impairments and restructuring charges that may not be an indicator of future cash flows. This element may be used as a single block of text to encapsulate the entire disclosure including data and tables. Restructuring And Other Activities Disclosure [Text Block] Special Items, Net Retained Earnings Accumulated Deficit Accumulated deficit Sales Revenue Net Total operating revenues Sales Revenue Net [Abstract] Operating revenues: Schedule of airline capacity purchase arrangement costs incurred related to air services provided by third-party transportation companies, including regional affiliates. Schedule Of Airline Capacity Purchase Arrangements Table [Text Block] Components of Express Expenses Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule Of Debt Table [Text Block] Debt Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Computation of Basic and Diluted EPS