XML 56 R38.htm IDEA: XBRL DOCUMENT
v3.20.2

Commitments and Contingencies (Details) $ in Millions | Oct. 16, 2020 USD ($) | Sep. 30, 2020 USD ($) aircraft
--- | --- | ---
Unrecorded Unconditional Purchase Obligation [Line Items] |  |
Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year | $ 200 | $ 200
Unrecorded Unconditional Purchase Obligation, to be Paid, Year One | 800 | 1,000
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two | 700 | 900
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three | 1,400 | 1,700
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four | 1,800 | 1,900
Unrecorded Unconditional Purchase Obligation, after Year Four | $ 2,900 | 2,100
Restricted assets pledged under letter of credit |  | 25
Restricted Assets Pledged Related To Workers Compensation Insurance Policies And Other Business Partner Agreements |  | $ 25
A-321 Neo [Member] |  |
Unrecorded Unconditional Purchase Obligation [Line Items] |  |
Unrecorded Unconditional Purchase Obligations Disclosure | aircraft |  | 74
A220-300 [Member] |  |
Unrecorded Unconditional Purchase Obligation [Line Items] |  |
Unrecorded Unconditional Purchase Obligations Disclosure | aircraft |  | 70

X
- Definition Restricted assets pledged under standby letters of credit related to workers compensation insurance policies and other agreements requiring issuance of letters of credit. + References No definition available. + Details
Name: | jblu_RestrictedAssetsPledgedRelatedToWorkersCompensationInsurancePoliciesAndOtherBusinessPartnerAgreements
Namespace Prefix: | jblu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Restricted assets pledged under standby letters of credit related to lease agreements. + References No definition available. + Details
Name: | jblu_RestrictedAssetsPledgedUnderLetterOfCredit
Namespace Prefix: | jblu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unrecorded Unconditional Purchase Obligation, after Year Four + References No definition available. + Details
Name: | jblu_UnrecordedUnconditionalPurchaseObligationafterYearFour
Namespace Prefix: | jblu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Unrecorded Unconditional Purchase Obligations Disclosure. + References No definition available. + Details
Name: | jblu_UnrecordedUnconditionalPurchaseObligationsDisclosure
Namespace Prefix: | jblu_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308 + Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308 + Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308 + Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308 + Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in remainder of current fiscal year. + References No definition available. + Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis=jblu_A321NeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis=jblu_A220300Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |