XML 62 R50.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Financial Derivative Instruments and Risk Management - Hedged Percentages Of Our Projected Fuel (Details) - Fuel - Call Option | Mar. 31, 2024
--- | ---
Derivatives, Fair Value [Line Items] |
Second quarter 2024 | 27.00%
Third quarter 2024 | 3.00%
Fourth quarter 2024 | 5.00%

X
- Definition Percentage Fuel Hedged - Fourth Quarter Current Year + References No definition available. + Details
Name: | jblu_PercentageFuelHedgedFourthQuarterCurrentYear
Namespace Prefix: | jblu_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage Fuel Hedged - Second Quarter, Current Year + References No definition available. + Details
Name: | jblu_PercentageFuelHedgedSecondQuarterCurrentYear
Namespace Prefix: | jblu_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage Fuel Hedged - Third Quarter Current Year + References No definition available. + Details
Name: | jblu_PercentageFuelHedgedThirdQuarterCurrentYear
Namespace Prefix: | jblu_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
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_DerivativesFairValueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_EnergyAxis=srt_FuelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CallOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |