XML 91 R69.htm IDEA: XBRL DOCUMENT
v3.20.4

Crewmember Retirement Plan (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Retirement Benefits [Abstract] |  |  |
Percentage of compensation in cash | 100.00% |  |
Percentage of employees' pay | 5.00% |  |
Years of service | 3 years |  |
Percentage of employee's pay for profit sharing match | 5.00% |  |
Period of discretionary contribution | 3 years |  |
Percentage of FAA licensed employees gross pay for which ER can contribute discretionary profit sharing contribution to plan | 3.00% |  |
Percentage of company contribution to pilots retirement program | 15.00% |  |
Pilots retirement vesting period | 3 years |  |
Percentage of eligible pre-tax profits the company contributes to profit sharing until the pre-tax margin is 18% | 10.00% |  |
Profit sharing calculation trigger, pretax margin | 18.00% |  |
Percentage of eligible pre-tax profits the company contributes to profit sharing when pre-tax margin is above 18% | 20.00% |  |
Defined contribution plan, cost | $ 177 | $ 196 | $ 172

X
- Definition Defined contribution plan requisite service period for vesting. + References No definition available. + Details
Name: | jblu_DefinedContributionPlanRequisiteServicePeriodForVesting
Namespace Prefix: | jblu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer can contribute a discretionary profit sharing contribution to the Plan. + References No definition available. + Details
Name: | jblu_PercentageOfEmployeesGrossPayForWhichEmployerCanContributeDiscretionaryProfitSharingContributionToPlan
Namespace Prefix: | jblu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of Company contribution to Pilots Retirement Program based on eligible pilot compensation + References No definition available. + Details
Name: | jblu_PercentageofCompanyContributiontoPilotsRetirementProgram
Namespace Prefix: | jblu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of Eligible Pre-tax Profits the Company Contributes to Profit Sharing until the Pre-tax Margin is 18% + References No definition available. + Details
Name: | jblu_PercentageofEligiblePretaxProfitstheCompanyContributestoProfitSharinguntilthePretaxMarginis18
Namespace Prefix: | jblu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of Eligible Pre-tax Profits the Company Contributes to Profit Sharing when Pre-tax Margin is above 18% + References No definition available. + Details
Name: | jblu_PercentageofEligiblePretaxProfitstheCompanyContributestoProfitSharingwhenPretaxMarginisabove18
Namespace Prefix: | jblu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of FAA licensed employees gross pay for which ER can contribute discretionary profit sharing contribution to plan + References No definition available. + Details
Name: | jblu_PercentageofFAAlicensedemployeesgrosspayforwhichERcancontributediscretionaryprofitsharingcontributiontoplan
Namespace Prefix: | jblu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Vesting period for company matching contributions relating to pilots retirement program + References No definition available. + Details
Name: | jblu_PilotsRetirementVestingPeriod
Namespace Prefix: | jblu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Profit Sharing Calculation Trigger, Pretax Margin + References No definition available. + Details
Name: | jblu_ProfitSharingCalculationTriggerPretaxMargin
Namespace Prefix: | jblu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Retirement Plus Contribution Plan Requisite Service Period for Vesting + References No definition available. + Details
Name: | jblu_RetirementPlusContributionPlanRequisiteServicePeriodforVesting
Namespace Prefix: | jblu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration