$UAL
United Airlines Holdings, Inc. Stock $ual

$ual Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000010051724000027 Filed on February 29, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$12.54B	$13.63B	$53.72B
YoY Change	9.71%	9.89%	19.49%
Cost Of Revenue	$5.159B	$5.412B	$21.06B
YoY Change	-1.99%	4.0%	3.27%
Gross Profit	$7.380B	$8.214B	$32.66B
YoY Change	19.71%	14.15%	32.96%
Gross Profit Margin	58.86%	60.28%	60.79%
Selling, General & Admin	$4.412B	$4.412B	$16.76B
YoY Change	18.44%	28.48%	28.94%
% of Gross Profit	59.78%	53.71%	51.33%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$708.0M	$684.0M	$2.671B
YoY Change	8.09%	9.62%	8.75%
% of Gross Profit	9.59%	8.33%	8.18%
Operating Expenses	$7.268B	$7.169B	$27.50B
YoY Change	17.34%	23.54%	24.51%
Operating Profit	$112.0M	$1.045B	$5.160B
YoY Change	-360.47%	-24.98%	108.32%
Interest Expense	-$253.0M	-$250.0M	-$920.0M
YoY Change	-0.39%	-3.47%	-32.1%
% of Operating Profit	-225.89%	-23.92%	-17.83%
Other Income/Expense, Net	-$10.00M	$23.00M	$96.00M
YoY Change	-95.31%	91.67%	1100.0%
Pretax Income	-$164.0M	$771.0M	$3.387B
YoY Change	-35.94%	-31.77%	242.12%
Income Tax	-$40.00M	$171.0M	$769.0M
% Of Pretax Income		22.18%	22.7%
Net Earnings	-$124.0M	$600.0M	$2.618B
YoY Change	-36.08%	-28.83%	255.22%
Net Earnings / Revenue	-0.99%	4.4%	4.87%
Basic Earnings Per Share	-$0.38		$7.98
Diluted Earnings Per Share	-$0.38	$1.81	$7.89
COMMON SHARES
Basic Shares Outstanding	328.0M shares	328.0M shares	327.8M shares
Diluted Shares Outstanding	328.3M shares		331.9M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$13.99B	$14.39B	$14.39B
YoY Change	-18.44%	-12.34%	-12.34%
Cash & Equivalents	$8.401B	$6.058B	$6.058B
Short-Term Investments	$5.591B	$8.330B	$8.330B
Other Short-Term Assets	$770.0M	$640.0M	$640.0M
YoY Change	-19.79%	-12.81%	-12.81%
Inventory	$1.675B	$1.561B	$1.561B
Prepaid Expenses
Receivables	$2.259B	$1.898B	$1.898B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$18.70B	$18.49B	$18.49B
YoY Change	-13.39%	-7.83%	-7.83%
LONG-TERM ASSETS
Property, Plant & Equipment	$44.37B	$43.73B	$43.73B
YoY Change	11.31%	14.06%	14.06%
Goodwill	$4.527B	$4.527B
YoY Change	0.0%	0.0%
Intangibles	$2.717B	$2.725B
YoY Change	-1.31%	-1.34%
Long-Term Investments	$1.353B	$1.391B	$1.391B
YoY Change	550.48%	1.31%	1.31%
Other Assets	$244.0M	$245.0M	$245.0M
YoY Change	-97.28%	-18.6%	-18.6%
Total Long-Term Assets	$53.21B	$52.62B	$52.62B
YoY Change	8.96%	11.24%	11.24%
TOTAL ASSETS
Total Short-Term Assets	$18.70B	$18.49B	$18.49B
Total Long-Term Assets	$53.21B	$52.62B	$52.62B
Total Assets	$71.90B	$71.10B	$71.10B
YoY Change	2.11%	5.56%	5.56%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$4.344B	$3.835B	$3.835B
YoY Change	12.6%	12.96%	12.96%
Accrued Expenses	$2.685B	$3.516B	$3.516B
YoY Change	4.07%	38.86%	38.86%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$4.075B	$4.190B	$4.190B
YoY Change	27.11%	38.97%	38.97%
Total Short-Term Liabilities	$24.76B	$22.20B	$22.20B
YoY Change	4.78%	11.06%	11.06%
LONG-TERM LIABILITIES
Long-Term Debt	$23.14B	$25.15B	$25.15B
YoY Change	-15.74%	-11.44%	-11.44%
Other Long-Term Liabilities	$14.27B	$13.84B	$13.84B
YoY Change	929.44%	14.6%	14.6%
Total Long-Term Liabilities	$37.41B	$38.98B	$38.98B
YoY Change	29.67%	-3.67%	-3.67%
TOTAL LIABILITIES
Total Short-Term Liabilities	$24.76B	$22.20B	$22.20B
Total Long-Term Liabilities	$37.41B	$38.98B	$38.98B
Total Liabilities	$62.71B	$61.78B	$61.78B
YoY Change	19.5%	2.18%	2.18%
SHAREHOLDERS EQUITY
Retained Earnings	$3.664B	$3.831B
YoY Change	259.22%	202.85%
Common Stock	$8.977B	$8.996B
YoY Change	0.53%	0.07%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$9.188B	$9.324B	$9.324B
YoY Change
Total Liabilities & Shareholders Equity	$71.90B	$71.10B	$71.10B
YoY Change	2.11%	5.56%	5.56%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	-$124.0M	$600.0M	$2.618B
YoY Change	-36.08%	-28.83%	255.22%
Depreciation, Depletion And Amortization	$708.0M	$684.0M	$2.671B
YoY Change	8.09%	9.62%	8.75%
Cash From Operating Activities	$2.847B	-$910.0M	$6.911B
YoY Change	-9.39%	-178.58%	13.93%
INVESTING ACTIVITIES
Capital Expenditures	$1.366B	$2.066B	$7.171B
YoY Change	-25.88%	-181.37%	-248.81%
Acquisitions
YoY Change
Other Investing Activities	$2.807B	$1.323B	$23.00M
YoY Change	-46883.33%	-171.59%	-100.26%
Cash From Investing Activities	$1.441B	-$743.0M	-$6.106B
YoY Change	-173.22%	-83.06%	-55.85%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$5.031B		$4.248B
YoY Change	513.54%		5.91%
Cash From Financing Activities	-1.938B	-123.0M	-$1.892B
YoY Change	244.23%	-85.97%	-43.51%
NET CHANGE
Cash From Operating Activities	2.847B	-910.0M	$6.911B
Cash From Investing Activities	1.441B	-743.0M	-$6.106B
Cash From Financing Activities	-1.938B	-123.0M	-$1.892B
Net Change In Cash	2.350B	-1.776B	-$1.087B
YoY Change	284.62%	-56.75%	-90.22%
FREE CASH FLOW
Cash From Operating Activities	$2.847B	-$910.0M	$6.911B
Capital Expenditures	$1.366B	$2.066B	$7.171B
Free Cash Flow	$1.481B	-$2.976B	-$260.0M
YoY Change	14.01%	-180.5%	-102.39%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	53717000000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	44955000000	usd
CY2023	us-gaap	Labor And Related Expense LaborAndRelatedExpense	14787000000	usd
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	11466000000	usd
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	9566000000	usd
CY2021	us-gaap	Fuel Costs FuelCosts	5755000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-3349000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	6396000000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1087000000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-11112000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	7421000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	18533000000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	11742000000	usd
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000100517
CY2021	us-gaap	Impairment Long Lived Asset Held For Use Statement Of Income Or Comprehensive Income Extensible Enumeration ImpairmentLongLivedAssetHeldForUseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2023#RestructuringSettlementAndImpairmentProvisions
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity Registrant Name EntityRegistrantName	United Airlines Holdings, Inc.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	36-2675207
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	233 South Wacker Drive,
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Chicago,
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	IL
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	60606
CY2023	dei	City Area Code CityAreaCode	(872)
CY2023	dei	Local Phone Number LocalPhoneNumber	825-4000
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	17900000000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	328025881	shares
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	24634000000	usd
CY2022	us-gaap	Fuel Costs FuelCosts	13113000000	usd
CY2021	us-gaap	Landing Fees And Other Rentals LandingFeesAndOtherRentals	2416000000	usd
CY2023	us-gaap	Airline Capacity Purchase Arrangements AirlineCapacityPurchaseArrangements	2400000000	usd
CY2023	us-gaap	Selling Expense SellingExpense	1977000000	usd
CY2022	us-gaap	Selling Expense SellingExpense	1535000000	usd
CY2023	us-gaap	Aircraft Rental AircraftRental	197000000	usd
CY2022	us-gaap	Aircraft Rental AircraftRental	252000000	usd
CY2021	us-gaap	Aircraft Rental AircraftRental	228000000	usd
CY2023	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	949000000	usd
CY2022	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	140000000	usd
CY2021	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	-3367000000	usd
CY2023	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	8062000000	usd
CY2022	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	6628000000	usd
CY2021	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4433000000	usd
CY2023	us-gaap	Costs And Expenses CostsAndExpenses	49506000000	usd
CY2022	us-gaap	Costs And Expenses CostsAndExpenses	42618000000	usd
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	25656000000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	4211000000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	2337000000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	-1022000000	usd
CY2023	us-gaap	Interest Costs Incurred InterestCostsIncurred	1956000000	usd
CY2022	us-gaap	Interest Costs Incurred InterestCostsIncurred	1778000000	usd
CY2021	us-gaap	Interest Costs Incurred InterestCostsIncurred	1657000000	usd
CY2023	us-gaap	Investment Income Interest InvestmentIncomeInterest	827000000	usd
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	298000000	usd
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	36000000	usd
CY2023	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	182000000	usd
CY2022	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	105000000	usd
CY2021	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	80000000	usd
CY2023	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	27000000	usd
CY2022	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	20000000	usd
CY2021	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-34000000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	96000000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	8000000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	40000000	usd
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-824000000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1347000000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1535000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3387000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	990000000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-2557000000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	769000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	253000000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-593000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	2618000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	737000000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-1964000000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3889000000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.98
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.26
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-6.10
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.89
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.23
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-6.10
CY2023	us-gaap	Net Income Loss NetIncomeLoss	2618000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	737000000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-1964000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	261000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1145000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-199000000	usd
CY2023	ual	Other Comprehensive Income Investments And Other Net Of Tax OtherComprehensiveIncomeInvestmentsAndOtherNetOfTax	24000000	usd
CY2022	ual	Other Comprehensive Income Investments And Other Net Of Tax OtherComprehensiveIncomeInvestmentsAndOtherNetOfTax	-28000000	usd
CY2021	ual	Other Comprehensive Income Investments And Other Net Of Tax OtherComprehensiveIncomeInvestmentsAndOtherNetOfTax	-2000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-237000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1117000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	197000000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2381000000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1854000000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-1767000000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6058000000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7166000000	usd
CY2023Q4	us-gaap	Short Term Investments ShortTermInvestments	8330000000	usd
CY2022Q4	us-gaap	Short Term Investments ShortTermInvestments	9248000000	usd
CY2023Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	31000000	usd
CY2022Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	45000000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	18000000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	11000000	usd
CY2023Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	1898000000	usd
CY2022Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	1801000000	usd
CY2023Q4	us-gaap	Airline Related Inventory Valuation Reserves AirlineRelatedInventoryValuationReserves	689000000	usd
CY2022Q4	us-gaap	Airline Related Inventory Valuation Reserves AirlineRelatedInventoryValuationReserves	610000000	usd
CY2023Q4	us-gaap	Airline Related Inventory Net AirlineRelatedInventoryNet	1561000000	usd
CY2022Q4	us-gaap	Airline Related Inventory Net AirlineRelatedInventoryNet	1109000000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	609000000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	689000000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	18487000000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	20058000000	usd
CY2023Q4	us-gaap	Flight Equipment Gross FlightEquipmentGross	48448000000	usd
CY2022Q4	us-gaap	Flight Equipment Gross FlightEquipmentGross	42775000000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	10527000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	9334000000	usd
CY2023Q4	us-gaap	Deposits On Flight Equipment DepositsOnFlightEquipment	3550000000	usd
CY2022Q4	us-gaap	Deposits On Flight Equipment DepositsOnFlightEquipment	2820000000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	62525000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	54929000000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	22710000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	20481000000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	39815000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	34448000000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3914000000	usd
CY2023Q4	ual	Other Financial Liabilities Noncurrent OtherFinancialLiabilitiesNoncurrent	2265000000	usd
CY2022Q4	ual	Other Financial Liabilities Noncurrent OtherFinancialLiabilitiesNoncurrent	844000000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	4527000000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	4527000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1495000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1472000000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2725000000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2762000000	usd
CY2023Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	245000000	usd
CY2022Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	210000000	usd
CY2023Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	0	usd
CY2022Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	91000000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	38000000	usd
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CY2023	ual	Refundable Tickets Expiration Period RefundableTicketsExpirationPeriod	P1Y
CY2023	ual	Ticket Revenue Performance Obligation Term TicketRevenuePerformanceObligationTerm	P12M
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CY2023Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	453000000	usd
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CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	49000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	32000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	28000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	18000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	11000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	10000000	usd
CY2023	us-gaap	Advertising Expense AdvertisingExpense	221000000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	165000000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	99000000	usd
CY2023Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	10000000.0	shares
CY2023Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	4800000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	2	shares
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	250000000	shares
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2618000000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	737000000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-1964000000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	327800000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	326400000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	321900000	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	2200000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	1500000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1900000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2200000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	331900000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	330100000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	321900000	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.98
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.26
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-6.10
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.89
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.23
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-6.10
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	80000000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	89000000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	238000000	usd
CY2023Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	81000000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	76000000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	274000000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	104000000	usd
CY2020Q4	us-gaap	Aoci Tax Attributable To Parent AociTaxAttributableToParent	39000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	53000000	usd
CY2021	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	184000000	usd
CY2021	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	-3000000	usd
CY2021	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-13000000	usd
CY2021Q4	us-gaap	Aoci Tax Attributable To Parent AociTaxAttributableToParent	95000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	321000000	usd
CY2022	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	1118000000	usd
CY2022	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	0	usd
CY2022	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	1000000	usd
CY2022Q4	us-gaap	Aoci Tax Attributable To Parent AociTaxAttributableToParent	416000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	-38000000	usd
CY2023	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-130000000	usd
CY2023	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	31000000	usd
CY2023	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	107000000	usd
CY2023Q4	us-gaap	Aoci Tax Attributable To Parent AociTaxAttributableToParent	347000000	usd
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	711000000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	208000000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-537000000	usd
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	46000000	usd
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	13000000	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-34000000	usd
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	15000000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	12000000	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	7000000	usd
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	13000000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	10000000	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	8000000	usd
CY2023	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-21000000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-10000000	usd
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-38000000	usd
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	5000000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	20000000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1000000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	769000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	253000000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-593000000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	13000000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	5000000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-10000000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	756000000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	248000000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-583000000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	769000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	253000000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-593000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	2644000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	2932000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	1845000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	1783000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	695000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	606000000	usd
CY2023Q4	ual	Deferred Tax Asset Leasing Arrangements DeferredTaxAssetLeasingArrangements	1134000000	usd
CY2022Q4	ual	Deferred Tax Asset Leasing Arrangements DeferredTaxAssetLeasingArrangements	1118000000	usd
CY2023Q4	ual	Deferred Tax Assets Other Financial Liability DeferredTaxAssetsOtherFinancialLiability	414000000	usd
CY2022Q4	ual	Deferred Tax Assets Other Financial Liability DeferredTaxAssetsOtherFinancialLiability	141000000	usd
CY2023Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	579000000	usd
CY2022Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	510000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	575000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	576000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	179000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	199000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	7707000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	7467000000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	6782000000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	5844000000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	887000000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	881000000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	632000000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	651000000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	8301000000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	7376000000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	594000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	91000000	usd
CY2023Q4	ual	Capital Loss Carryforwards Valuation Allowance CapitalLossCarryforwardsValuationAllowance	150000000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	66000000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	58000000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	55000000	usd
CY2023Q4	ual	Number Of Defined Benefit Pension Plans NumberOfDefinedBenefitPensionPlans	2	plan
CY2023Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	4407000000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	4045000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	3767000000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	3461000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	3435000000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	3287000000	usd
CY2023	ual	Defined Benefit Plan Profit Sharing And Payroll Tax Expense DefinedBenefitPlanProfitSharingAndPayrollTaxExpense	681000000	usd
CY2022	ual	Defined Benefit Plan Profit Sharing And Payroll Tax Expense DefinedBenefitPlanProfitSharingAndPayrollTaxExpense	133000000	usd
CY2021	ual	Defined Benefit Plan Profit Sharing And Payroll Tax Expense DefinedBenefitPlanProfitSharingAndPayrollTaxExpense	0	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	230000000	usd
CY2023Q4	us-gaap	Notes Receivable Net NotesReceivableNet	103000000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	29352000000	usd
CY2022Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	31580000000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	-277000000	usd
CY2022Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	-386000000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	4018000000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2911000000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	25057000000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	28283000000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	925000000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	941000000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	958000000	usd
CY2023	ual	Variable And Short Term Lease Cost VariableAndShortTermLeaseCost	3028000000	usd
CY2022	ual	Variable And Short Term Lease Cost VariableAndShortTermLeaseCost	2603000000	usd
CY2021	ual	Variable And Short Term Lease Cost VariableAndShortTermLeaseCost	2291000000	usd
CY2023	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	52000000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	72000000	usd
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	89000000	usd
CY2023	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	20000000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	13000000	usd
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	16000000	usd
CY2023	us-gaap	Sublease Income SubleaseIncome	39000000	usd
CY2022	us-gaap	Sublease Income SubleaseIncome	33000000	usd
CY2021	us-gaap	Sublease Income SubleaseIncome	26000000	usd
CY2023	us-gaap	Lease Cost LeaseCost	3986000000	usd
CY2022	us-gaap	Lease Cost LeaseCost	3596000000	usd
CY2021	us-gaap	Lease Cost LeaseCost	3328000000	usd
CY2023Q4	ual	Sale Leaseback Transaction Number Of Aircraft Leases SaleLeasebackTransactionNumberOfAircraftLeases	42	lease
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	813000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	183000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	726000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	60000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	706000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	19000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	885000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	9000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	685000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	8000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	2942000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	5000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	6757000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	284000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1678000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	21000000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	5079000000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	263000000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	576000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	172000000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	4503000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	91000000	usd
CY2023Q4	ual	Lessee Operating And Finance Lease Not Yet Commenced Amount LesseeOperatingAndFinanceLeaseNotYetCommencedAmount	1600000000	usd
CY2023	ual	Lessee Operating And Finance Lease Not Yet Commenced Term Of Contract LesseeOperatingAndFinanceLeaseNotYetCommencedTermOfContract	P12Y
CY2023Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	178000000	usd
CY2023Q4	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	178000000	usd
CY2023Q4	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	178000000	usd
CY2023Q4	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	472000000	usd
CY2023Q4	us-gaap	Contractual Obligation Due In Fifth Year ContractualObligationDueInFifthYear	147000000	usd
CY2023Q4	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	2090000000	usd
CY2023Q4	us-gaap	Contractual Obligation ContractualObligation	3243000000	usd
CY2023Q4	ual	Contractual Obligation Imputed Interest ContractualObligationImputedInterest	921000000	usd
CY2023Q4	ual	Other Financial Liabilities Current OtherFinancialLiabilitiesCurrent	57000000	usd
CY2023Q4	ual	Other Financial Liabilities Noncurrent OtherFinancialLiabilitiesNoncurrent	2265000000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y
CY2023Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y
CY2023Q4	ual	Other Financial Liabilities Weighted Average Remaining Lease Term OtherFinancialLiabilitiesWeightedAverageRemainingLeaseTerm	P10Y
CY2022Q4	ual	Other Financial Liabilities Weighted Average Remaining Lease Term OtherFinancialLiabilitiesWeightedAverageRemainingLeaseTerm	P9Y
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.058
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.055
CY2023Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.063
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.064
CY2023Q4	ual	Other Financial Liabilities Weighted Average Discount Rate Percent OtherFinancialLiabilitiesWeightedAverageDiscountRatePercent	0.053
CY2022Q4	ual	Other Financial Liabilities Weighted Average Discount Rate Percent OtherFinancialLiabilitiesWeightedAverageDiscountRatePercent	0.060
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	874000000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	919000000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	977000000	usd
CY2023	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	21000000	usd
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	13000000	usd
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	18000000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	311000000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	124000000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	216000000	usd
CY2023Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On First Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary	12100000000	usd
CY2023Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Second Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary	7900000000	usd
CY2023Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Third Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary	6000000000.0	usd
CY2023Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fourth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary	4500000000	usd
CY2023Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fifth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary	6100000000	usd
CY2023Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Due After Five Years UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears	23500000000	usd
CY2023Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	60100000000	usd
CY2022	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	94000000	usd
CY2023	ual	Number Of Call Options To Purchase Regional Jet Aircraft NumberOfCallOptionsToPurchaseRegionalJetAircraft	252	option
CY2023	ual	Labor Contract Ratification Bonus LaborContractRatificationBonus	-814000000	usd
CY2022	ual	Labor Contract Ratification Bonus LaborContractRatificationBonus	0	usd
CY2021	ual	Labor Contract Ratification Bonus LaborContractRatificationBonus	0	usd
CY2023	us-gaap	Unusual Or Infrequent Item Gain Gross UnusualOrInfrequentItemGainGross	0	usd
CY2022	us-gaap	Unusual Or Infrequent Item Gain Gross UnusualOrInfrequentItemGainGross	0	usd
CY2021	us-gaap	Unusual Or Infrequent Item Gain Gross UnusualOrInfrequentItemGainGross	4021000000	usd
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CY2022	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	0	usd
CY2021	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	438000000	usd
CY2023	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	97000000	usd
CY2023	ual	Gain Loss On Sale Of Other Assets And Other Miscellaneous Charges GainLossOnSaleOfOtherAssetsAndOtherMiscellaneousCharges	-135000000	usd
CY2022	ual	Gain Loss On Sale Of Other Assets And Other Miscellaneous Charges GainLossOnSaleOfOtherAssetsAndOtherMiscellaneousCharges	-140000000	usd
CY2021	ual	Gain Loss On Sale Of Other Assets And Other Miscellaneous Charges GainLossOnSaleOfOtherAssetsAndOtherMiscellaneousCharges	-119000000	usd
CY2023	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	949000000	usd
CY2022	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	140000000	usd
CY2021	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	-3367000000	usd
CY2023	ual	Gain Loss On Financial Instruments Non Operating GainLossOnFinancialInstrumentsNonOperating	27000000	usd
CY2022	ual	Gain Loss On Financial Instruments Non Operating GainLossOnFinancialInstrumentsNonOperating	20000000	usd
CY2021	ual	Gain Loss On Financial Instruments Non Operating GainLossOnFinancialInstrumentsNonOperating	-34000000	usd
CY2023	ual	Debt Extinguishment And Modification Fees Non Operating DebtExtinguishmentAndModificationFeesNonOperating	-11000000	usd
CY2022	ual	Debt Extinguishment And Modification Fees Non Operating DebtExtinguishmentAndModificationFeesNonOperating	-7000000	usd
CY2021	ual	Debt Extinguishment And Modification Fees Non Operating DebtExtinguishmentAndModificationFeesNonOperating	-50000000	usd
CY2023	ual	Defined Benefit Plan Net Periodic Benefit Cost Credit Gain Loss Due To Settlement Restructuring And Special And Contractual Termination Benefits DefinedBenefitPlanNetPeriodicBenefitCostCreditGainLossDueToSettlementRestructuringAndSpecialAndContractualTerminationBenefits	0	usd
CY2022	ual	Defined Benefit Plan Net Periodic Benefit Cost Credit Gain Loss Due To Settlement Restructuring And Special And Contractual Termination Benefits DefinedBenefitPlanNetPeriodicBenefitCostCreditGainLossDueToSettlementRestructuringAndSpecialAndContractualTerminationBenefits	0	usd
CY2021	ual	Defined Benefit Plan Net Periodic Benefit Cost Credit Gain Loss Due To Settlement Restructuring And Special And Contractual Termination Benefits DefinedBenefitPlanNetPeriodicBenefitCostCreditGainLossDueToSettlementRestructuringAndSpecialAndContractualTerminationBenefits	-31000000	usd
CY2023	ual	Special Charges And Losses On Financial Instruments Non Operating Before Tax SpecialChargesAndLossesOnFinancialInstrumentsNonOperatingBeforeTax	-16000000	usd
CY2022	ual	Special Charges And Losses On Financial Instruments Non Operating Before Tax SpecialChargesAndLossesOnFinancialInstrumentsNonOperatingBeforeTax	-13000000	usd
CY2021	ual	Special Charges And Losses On Financial Instruments Non Operating Before Tax SpecialChargesAndLossesOnFinancialInstrumentsNonOperatingBeforeTax	115000000	usd
CY2023	ual	Special Charges And Losses On Financial Instruments Operating And Nonoperating Before Tax SpecialChargesAndLossesOnFinancialInstrumentsOperatingAndNonoperatingBeforeTax	933000000	usd
CY2022	ual	Special Charges And Losses On Financial Instruments Operating And Nonoperating Before Tax SpecialChargesAndLossesOnFinancialInstrumentsOperatingAndNonoperatingBeforeTax	127000000	usd
CY2021	ual	Special Charges And Losses On Financial Instruments Operating And Nonoperating Before Tax SpecialChargesAndLossesOnFinancialInstrumentsOperatingAndNonoperatingBeforeTax	-3252000000	usd
CY2023	ual	Income Tax Expense Benefit Special Charges IncomeTaxExpenseBenefitSpecialCharges	-214000000	usd
CY2022	ual	Income Tax Expense Benefit Special Charges IncomeTaxExpenseBenefitSpecialCharges	-33000000	usd
CY2021	ual	Income Tax Expense Benefit Special Charges IncomeTaxExpenseBenefitSpecialCharges	728000000	usd
CY2023	ual	Special Items Net Of Income Tax Benefits SpecialItemsNetOfIncomeTaxBenefits	719000000	usd
CY2022	ual	Special Items Net Of Income Tax Benefits SpecialItemsNetOfIncomeTaxBenefits	94000000	usd
CY2021	ual	Special Items Net Of Income Tax Benefits SpecialItemsNetOfIncomeTaxBenefits	-2524000000	usd
CY2023	ual	Labor Contract Ratification Bonus LaborContractRatificationBonus	-814000000	usd
CY2023	ual	Gain Loss On Sale Of Other Assets And Other Miscellaneous Charges GainLossOnSaleOfOtherAssetsAndOtherMiscellaneousCharges	-135000000	usd
CY2023	ual	Gain Loss On Financial Instruments Non Operating GainLossOnFinancialInstrumentsNonOperating	27000000	usd
CY2023	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	11000000	usd
CY2022	ual	Gain Loss On Sale Of Other Assets And Other Miscellaneous Charges GainLossOnSaleOfOtherAssetsAndOtherMiscellaneousCharges	-140000000	usd
CY2022	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	94000000	usd
CY2022	ual	Loss Contingency Contract Disputes LossContingencyContractDisputes	23000000	usd
CY2022	ual	Gain Loss On Financial Instruments Non Operating GainLossOnFinancialInstrumentsNonOperating	20000000	usd
CY2022	us-gaap	Extinguishment Of Debt Amount ExtinguishmentOfDebtAmount	7000000	usd
CY2021	ual	Proceeds From Government Assistance ProceedsFromGovernmentAssistance	5800000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	1700000000	usd
CY2021	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	438000000	usd
CY2021Q4	ual	Number Of Aircraft And Related Spare Engines Retired NumberOfAircraftAndRelatedSpareEnginesRetired	64	aircraft
CY2021	ual	Gain Loss On Net Charges GainLossOnNetCharges	-119000000	usd
CY2021	ual	Gain Loss On Financial Instruments Non Operating GainLossOnFinancialInstrumentsNonOperating	-34000000	usd
CY2021	us-gaap	Extinguishment Of Debt Amount ExtinguishmentOfDebtAmount	50000000	usd
CY2023	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2023	dei	Auditor Location AuditorLocation	Chicago, Illinois
CY2023Q4	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023	dei	Auditor Firm AuditorFirmId	42

Files In Submission

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0000100517-24-000027-index.html	Edgar Link	pending
0000100517-24-000027.txt	Edgar Link	pending
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$UAL
United Airlines Holdings, Inc. Stock $ual

2024 Q1 Form 10-K Financial Statement

#000010051724000027 Filed on February 29, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$UAL United Airlines Holdings, Inc. Stock $ual

2024 Q1 Form 10-K Financial Statement

#000010051724000027 Filed on February 29, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$UAL
United Airlines Holdings, Inc. Stock $ual