2.2.0.7 false Consolidated Statements of Operations (Unaudited) (USD $) 0120 - Statement - Consolidated Statements of Operations (Unaudited) true false In Millions, except Per Share data false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ false 2 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ false 3 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ false 4 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ 3 OPERATING REVENUES 1 us-gaap_SalesRevenueServicesNetAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 4 Passenger 2 us-gaap_PassengerRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 true true false false 850000000 850 false false false 2 true true false false 721000000 721 [1] false false false 3 true true false false 1635000000 1635 false false false 4 true true false false 1427000000 1427 [1] false false false xbrli:monetaryItemType monetary A transportation (plane, train, ship) carrier's fare revenue recognized in the period from carrying passengers between destinations. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 false 7 OPERATING EXPENSES 1 us-gaap_CostsAndExpensesAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 8 Aircraft fuel and related taxes 2 us-gaap_FuelCosts us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 279000000 279 false false false 2 false true false false 236000000 236 [1] false false false 3 false true false false 533000000 533 false false false 4 false true false false 458000000 458 [1] false false false xbrli:monetaryItemType monetary Fuel costs incurred that are directly related to goods produced and sold and services rendered during the reporting period. No authoritative reference available. false 9 Salaries, wages and benefits 2 us-gaap_LaborAndRelatedExpense us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 218000000 218 false false false 2 false true false false 192000000 192 [1] false false false 3 false true false false 437000000 437 false false false 4 false true false false 377000000 377 [1] false false false xbrli:monetaryItemType monetary The aggregate amount of expenditures for salaries, wages, profit sharing and incentive compensation, and other employee benefits, including share-based compensation, and pension and other postretirement benefit expense. No authoritative reference available. false 10 Landing fees and other rents 2 jblu_LandingFeesAndOtherRentals jblu false debit duration Direct costs incurred at airports in which the Company conducts flight operations. The costs primarily consist of fees paid... false false false false false false false false false false false verboselabel false 1 false true false false 58000000 58 false false false 2 false true false false 54000000 54 [1] false false false 3 false true false false 112000000 112 false false false 4 false true false false 104000000 104 [1] false false false xbrli:monetaryItemType monetary Direct costs incurred at airports in which the Company conducts flight operations. The costs primarily consist of fees paid to the airport authority for takeoff and landing, gate space and facilities, allocations of common space such as security and other terminal costs and fuel storage facilities. No authoritative reference available. false 11 Depreciation and amortization 2 us-gaap_DepreciationAndAmortization us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 54000000 54 false false false 2 false true false false 56000000 56 [1] false false false 3 false true false false 111000000 111 false false false 4 false true false false 111000000 111 [1] false false false xbrli:monetaryItemType monetary The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. 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No authoritative reference available. false 13 Sales and marketing 2 us-gaap_SellingAndMarketingExpense us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 43000000 43 false false false 2 false true false false 38000000 38 [1] false false false 3 false true false false 83000000 83 false false false 4 false true false false 75000000 75 [1] false false false xbrli:monetaryItemType monetary The aggregate total amount of expenses directly related to the marketing or selling of products or services. No authoritative reference available. false 14 Maintenance materials and repairs 2 jblu_AircraftMaintenanceMaterialsAndRepairs jblu false debit duration Maintenance costs incurred and directly related to services rendered by an entity during the reporting period. Includes the... false false false false false false false false false false false verboselabel false 1 false true false false 41000000 41 false false false 2 false true false false 34000000 34 [1] false false false 3 false true false false 80000000 80 false false false 4 false true false false 71000000 71 [1] false false false xbrli:monetaryItemType monetary Maintenance costs incurred and directly related to services rendered by an entity during the reporting period. Includes the cost of inspections and repairs, materials and routine maintenance costs for all aircraft and engines. No authoritative reference available. false 15 Other operating expenses 2 us-gaap_OtherCostAndExpenseOperating us-gaap true debit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 121000000 121 false false false 2 false true false false 89000000 89 [1] false false false 3 false true false false 255000000 255 false false false 4 false true false false 191000000 191 [1] false false false xbrli:monetaryItemType monetary The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. 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No authoritative reference available. true 17 OPERATING INCOME 1 us-gaap_OperatingIncomeLoss us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 94000000 94 false false false 2 false true false false 76000000 76 [1] false false false 3 false true false false 136000000 136 false false false 4 false true false false 149000000 149 [1] false false false xbrli:monetaryItemType monetary The net result for the period of deducting operating expenses from operating revenues. 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If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. 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