XML 49 R28.htm IDEA: XBRL DOCUMENT
v3.21.1

Combined Notes to the Financial Statements (Unaudited) (Details) |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 15, 2021 USD ($) | Jun. 30, 2021 | Mar. 31, 2021 USD ($) employee | Mar. 31, 2020 USD ($) | Apr. 22, 2021 USD ($) $ / shares shares | Apr. 21, 2021 USD ($)
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Percent of capacity cut |  |  | (54.00%) |  |  |
Proceeds from issuance of debt, net of discounts and fees |  |  | $ 1,336,000,000 | $ 2,813,000,000 |  |
Proceeds from the issuance of common stock |  |  | $ 500,000,000 |  |  |
PSP2 |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Total funding provided under the Payroll Support Program | $ 2,600,000,000 |  |  |  |  |
Funding provided through direct grants under the Payroll Support Program | 1,900,000,000 |  |  |  |  |
Forecast |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Percent of capacity cut |  | 45.00% |  |  |  |
Forecast | PSP2 |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Additional amount expected to be received |  |  |  |  | $ 391,000,000 |
Forecast | PSP3 |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Additional amount expected to be received |  |  |  |  | $ 2,800,000,000 |
Number of securities called by warrants (in shares) | shares |  |  |  |  | 1,500,000 |
Warrant exercise price (in dollars per share) | $ / shares |  |  |  |  | $ 53.92 |
Voluntary Separation Leave Programs | Employee Separation |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Number of employees electing to voluntarily separate from the company | employee |  |  | 4,500 |  |  |
PSP3 Note | Forecast | PSP3 |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Additional amount expected to be received through loans |  |  |  |  | $ 800,000,000 |
Notes, Secured Term Loans and Aircraft Financing |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Proceeds from issuance of debt, net of discounts and fees |  |  | $ 1,400,000,000 |  |  |
Unsecured Debt | PSP2 Note |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Term of debt |  |  | 10 years |  |  |
Face amount |  |  | $ 753,000,000 |  |  |
Unsecured Debt | PSP2 Note | PSP2 |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Funding provided through loans under the Payroll Support Program | $ 753,000,000 |  |  |  |  |
Term of debt | 10 years |  |  |  |  |
Unsecured Debt | PSP2 Note | Forecast | PSP2 |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Additional amount expected to be received through loans |  |  |  |  | $ 117,000,000 |
Secured Debt | 2026 Notes and 2029 Notes | Subsequent Event |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Face amount |  |  |  |  |  | $ 4,000,000,000.0
Secured Debt | 2026 Notes | Subsequent Event |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Face amount |  |  |  |  |  | $ 2,000,000,000.0
Stated interest rate |  |  |  |  |  | 4.375%
Secured Debt | 2029 Notes | Subsequent Event |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Face amount |  |  |  |  |  | $ 2,000,000,000.0
Stated interest rate |  |  |  |  |  | 4.625%
Secured Debt | Term Loan B Facility due 2028 | Subsequent Event |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Face amount |  |  |  |  |  | $ 5,000,000,000.0
Secured Debt | Senior Secured Revolving Credit Facility due 2025 | Revolving Credit Facility | Subsequent Event |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | 1,750,000,000
Secured Debt | Term Loan Facility | Subsequent Event |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Face amount |  |  |  |  |  | 1,400,000,000
Secured Debt | Credit Agreement | Revolving Credit Facility | Subsequent Event |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Face amount |  |  |  |  |  | 1,000,000,000.0
Secured Debt | CARES Act Term Loan Facility | Subsequent Event |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Face amount |  |  |  |  |  | $ 520,000,000

X
- Definition Payroll Support Program, Total Funding Provided + References No definition available. + Details
Name: | ual_PayrollSupportProgramFundingProvided
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Payroll Support Program, Funding Provided, Amounts Expected To Be Received + References No definition available. + Details
Name: | ual_PayrollSupportProgramFundingProvidedAmountsExpectedToBeReceived
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Payroll Support Program, Funding Provided, Amounts Expected To Be Received Through Loans + References No definition available. + Details
Name: | ual_PayrollSupportProgramFundingProvidedAmountsExpectedToBeReceivedThroughLoans
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Payroll Support Program, Funding Provided, Amounts Received Through Direct Grants + References No definition available. + Details
Name: | ual_PayrollSupportProgramFundingProvidedAmountsReceivedThroughDirectGrants
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Payroll Support Program, Funding Provided, Amounts Received Through Loans + References No definition available. + Details
Name: | ual_PayrollSupportProgramFundingProvidedAmountsReceivedThroughLoans
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Restructuring And Related Cost, Number Of Employees Voluntarily Separated + References No definition available. + Details
Name: | ual_RestructuringAndRelatedCostNumberOfEmployeesVoluntarilySeparated
Namespace Prefix: | ual_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Unusual Or Infrequent Items, Percent Of Capacity Cut + References No definition available. + Details
Name: | ual_UnusualOrInfrequentItemsPercentOfCapacityCut
Namespace Prefix: | ual_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_UnusualOrInfrequentItemLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ual_UnusualOrInfrequentEventsGovernmentAssistanceProgramsAxis=ual_PayrollSupportProgramExtensionAgreementPSP2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ual_UnusualOrInfrequentEventsGovernmentAssistanceProgramsAxis=ual_AmericanRescuePlanActOf2021PSP3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=ual_VoluntarySeparationLeaveVSLProgramsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ual_PayrollSupportProgram3PSP3NoteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=ual_NotesPayableSecuredTermLoansAndAircraftFinancingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ual_PayrollSupportProgram2PSP2NoteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ual_SeniorSecuredNotesDue2026AndSeniorSecuredNotesDue2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ual_SeniorSecuredNotesDue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ual_SeniorSecuredNotesDue2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ual_TermLoanBFacilityDue2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ual_SeniorSecuredRevolvingCreditFacilityDue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ual_TermLoanDue2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ual_RevolvingCreditFacilityUnderTheCreditAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ual_CARESActTermLoanFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |