XML 32 R35.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Leases (Details) (B-717-200 Aircraft, USD $) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2015 aircraft | Sep. 30, 2012 | Dec. 31, 2014 | Jul. 09, 2012 aircraft
Aircraft Type [Line Items] |  |  |  |
Lessee | Delta Air Lines, Inc. |  |  |
Total assets available for lease/sublease, number of units |  |  |  | 88 luv_PropertySubjectToOrAvailableForLeaseNumberOfUnitsTotal
Number of aircraft delivered to sublessee | 61 luv_NumberOfAircraftDeliveredToSublessee |  |  |
Operating lease, number of units | 76 us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNumberOfUnits |  |  |
Owned assets, number of units | 10 luv_OwnedAssetsNumberOfUnits |  |  |
Capital leased assets, number of units | 2 us-gaap_CapitalLeasedAssetsNumberOfUnits |  |  |
Contingent payments | $ 0 us-gaap_CapitalLeasesContingentRentalPaymentsDue |  |  |
Residual value | 0 us-gaap_CapitalLeasesNetInvestmentInSalesTypeLeasesUnguaranteedResidualValuesOfLeasedProperty |  |  |
Estimated loss on sublease |  | 137,000,000 luv_EstimatedLossOnSublease |  |
Additional Estimated Loss on Sublease | $ (4,000,000)luv_AdditionalEstimatedLossonSublease |  | $ (22,000,000)luv_AdditionalEstimatedLossonSublease |
Maximum |  |  |  |
Aircraft Type [Line Items] |  |  |  |
Sublease terms for leased aircraft | 9 years |  |  |
Lease terms for owned aircraft | 7 years |  |  |
Minimum |  |  |  |
Aircraft Type [Line Items] |  |  |  |
Sublease terms for leased aircraft | 3 years |  |  |

X
- Definition Additional estimated cost, at the scheduled date of delivery of each B717 to Delta (including the conversion, maintenance, and other contractual costs to be incurred), of the lease of the B717s, net of the future sublease income from Delta. + References No definition available. + Details
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X
- Details
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X
- Definition The remaining estimated cost, at the scheduled date of delivery of each B717 to Delta (including the conversion, maintenance, and other contractual costs to be incurred), of the lease of the B717s currently accounted for as operating leases, net of the future sublease income from Delta. + References No definition available. + Details
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Namespace Prefix: | luv_
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Balance Type: | debit
Period Type: | duration

X
- Definition Lease terms for owned aircraft. + References No definition available. + Details
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X
- Definition Lessee + References No definition available. + Details
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X
- Definition The number of aircraft delivered to the sublessee. + References No definition available. + Details
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- Definition The number of units (items of property) under lease arrangements. + References No definition available. + Details
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- Definition Sublease terms for leased aircraft. + References No definition available. + Details
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- Definition The number of units (items of property) under capital lease arrangements. + References No definition available. + Details
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- Definition Amount due based upon the occurrence of an event specified in the contractual terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Rentals -URI http://asc.fasb.org/extlink&oid=6508509 + Details
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- Definition The estimate of the lease property's economic value at the end of the sales-type lease term excluding any amounts guaranteed by either the lessee or a third-party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=25496975&loc=d3e45377-112738 + Details
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- Definition The number of units (items of property) under operating lease arrangements. + References No definition available. + Details
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