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 932000000 932 false false false 2 true true false false 764000000 764 [1] false false false 3 true true false false 2567000000 2567 false false false 4 true true false false 2191000000 2191 [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 true 6 Total operating revenues 2 us-gaap_SalesRevenueServicesNet 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 1030000000 1030 false false false 2 false true false false 854000000 854 [1] false false false 3 false true false false 2839000000 2839 false false false 4 false true false false 2454000000 2454 [1] false false false xbrli:monetaryItemType monetary Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts. 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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 227000000 227 false false false 2 false true false false 199000000 199 [1] false false false 3 false true false false 664000000 664 false false false 4 false true false false 576000000 576 [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 61000000 61 false false false 2 false true false false 56000000 56 [1] false false false 3 false true false false 173000000 173 false false false 4 false true false false 160000000 160 [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 59000000 59 [1] false false false 3 false true false false 165000000 165 false false false 4 false true false false 170000000 170 [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 47000000 47 false false false 2 false true false false 38000000 38 [1] false false false 3 false true false false 130000000 130 false false false 4 false true false false 113000000 113 [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 44000000 44 false false false 2 false true false false 40000000 40 [1] false false false 3 false true false false 124000000 124 false false false 4 false true false false 111000000 111 [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 134000000 134 false false false 2 false true false false 110000000 110 [1] false false false 3 false true false false 389000000 389 false false false 4 false true false false 301000000 301 [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 140000000 140 false false false 2 false true false false 66000000 66 [1] false false false 3 false true false false 276000000 276 false false false 4 false true false false 215000000 215 [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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