XML 68 R50.htm IDEA: XBRL DOCUMENT
v3.22.2

Special Charges (Credits) - Components of Special Charges (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Other Income and Expenses [Abstract] |  |  |  |
CARES Act grant | $ 0 | $ (1,079) | $ 0 | $ (2,889)
Severance and benefit costs | 0 | 11 | 0 | 428
Impairment of assets | 0 | 59 | 0 | 59
(Gains) losses on sale of assets and other special charges | 112 | 61 | 104 | 77
Total operating special charges (credits) | 112 | (948) | 104 | (2,325)
Nonoperating unrealized (gains) losses on investments, net | 40 | (147) | 40 | (125)
Nonoperating debt extinguishment and modification fees | 0 | 62 | 7 | 62
Nonoperating special termination benefits | 0 | 0 | 0 | 46
Total nonoperating special charges and unrealized (gains) losses on investments, net | 40 | (85) | 47 | (17)
Total operating and nonoperating special charges (credits) and unrealized (gains) losses on investments, net | 152 | (1,033) | 151 | (2,342)
Income tax (benefit) expense, net of valuation allowance | (10) | 203 | (10) | 494
Total operating and nonoperating special charges (credits) and unrealized (gains) losses on investments, net of income taxes | $ 142 | $ (830) | $ 141 | $ (1,848)

X
- Definition Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due To Special Termination Benefits + References No definition available. + Details
Name: | ual_DefinedBenefitPlanNetPeriodicBenefitCostCreditGainLossDueToSpecialTerminationBenefits
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Gain (Loss) On Debt Extinguishment And Modification, Nonoperating + References No definition available. + Details
Name: | ual_GainLossOnDebtExtinguishmentAndModificationNonoperating
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Gain (Loss) On Financial Instruments, Non-Operating + References No definition available. + Details
Name: | ual_GainLossOnFinancialInstrumentsNonOperating
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) on sale of other assets and other miscellaneous charges. + References No definition available. + Details
Name: | ual_GainLossOnSaleOfOtherAssetsAndOtherMiscellaneousCharges
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Income tax expense (benefit) special charges. + References No definition available. + Details
Name: | ual_IncomeTaxExpenseBenefitSpecialCharges
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Special Charges And Losses On Financial Instruments, Nonoperating, Before Tax + References No definition available. + Details
Name: | ual_SpecialChargesAndLossesOnFinancialInstrumentsNonOperatingBeforeTax
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Special Charges And Losses On Financial Instruments, Operating And Nonoperating, Before Tax + References No definition available. + Details
Name: | ual_SpecialChargesAndLossesOnFinancialInstrumentsOperatingAndNonoperatingBeforeTax
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total special items in the period. + References No definition available. + Details
Name: | ual_SpecialItemsNetOfIncomeTaxBenefits
Namespace Prefix: | ual_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126905981&loc=d3e2420-110228 + Details
Name: | us-gaap_AssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Period expense related to postemployment benefits. + References No definition available. + Details
Name: | us-gaap_PostemploymentBenefitsPeriodExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of restructuring charges, remediation cost, and asset impairment loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
Name: | us-gaap_RestructuringSettlementAndImpairmentProvisions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of gain recognized in the income statement for an event or transaction that is unusual in nature or infrequent in occurrence, or both. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=114868883&loc=SL114871943-224233 + Details
Name: | us-gaap_UnusualOrInfrequentItemGainGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration