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Employee Related Cost Reductions, Number Of Employees Volunteering For Leave

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Employee Related Cost Reductions, Percentage, Reduction In Work Hours, Director Level Employees

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Employee Related Cost Reductions, Percentage, Reduction In Work Hours, Management And Employee Groups

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Employee Related Cost Reductions, Percentage, Salary Reduction, Company Officers

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Employee Related Cost Reductions, Percentage, Salary Reduction, Director Level Employees

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Employee Related Cost Reductions, Voluntary Unpaid Leave

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Flight Load Factor Cap

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Impact Of Global Pandemic

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Number Of Aircraft Removed From Active Service

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Number Of Aircraft Retired

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Proceeds from Government Assistance, Payroll Support Program, CARES Act

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Proceeds From Sale Leaseback

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Reduction In Planned Capital Expenditures

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Revolving Credit Facility, Amount Of Borrowings Secured

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Revolving Credit Facility, Amount Subject To Extended Maturity

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Temporary Parking Of Fleet, Percentage

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Year-Over-Year Decrease In System Capacity, Percentage

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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.

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The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Impact of the COVID-19 Pandemic - Narrative (Details) numberOfEmployees in Thousands	1 Months Ended	3 Months Ended			6 Months Ended
	Mar. 31, 2020 USD ($)	Sep. 30, 2020	Jun. 30, 2020 USD ($) aircraft	Mar. 31, 2020 USD ($)	Sep. 30, 2020	Jun. 30, 2020 USD ($) aircraft numberOfEmployees	Apr. 30, 2020 USD ($)
Impact Of Global Pandemic [Line Items]
Year-over-year decrease in system capacity (percent)			85.00%
Percentage of fleet temporarily parked (percent)						50.00%
Number of aircraft removed from active service \| aircraft						600
Number of employees volunteering for leave \| numberOfEmployees						45
Salary reduction for company officers (percent)						50.00%
Salary reduction for director-level employees (percent)						25.00%
Work hours reduction for management and most front-line employee work groups (percent)						25.00%
Cash, cash equivalents, short-term investments, and amounts available under revolving credit facilities			$ 15,700,000,000			$ 15,700,000,000
Reduction in planned capital expenditures for the year						3,500,000,000
Proceeds from payroll support program, CARES Act			4,900,000,000
Delay in planned voluntary pension funding			$ 500,000,000			$ 500,000,000
767-300ER
Impact Of Global Pandemic [Line Items]
Number of aircraft retired \| aircraft			7
A320
Impact Of Global Pandemic [Line Items]
Number of aircraft retired \| aircraft			10
Minimum
Impact Of Global Pandemic [Line Items]
Voluntary unpaid leave duration						30 days
Maximum
Impact Of Global Pandemic [Line Items]
Voluntary unpaid leave duration						12 months
Aircraft sale leaseback
Impact Of Global Pandemic [Line Items]
Sale leaseback transactions			$ 2,800,000,000
Secured Term Loan \| 2020 Secured Term Loan Facility
Impact Of Global Pandemic [Line Items]
Debt instrument amount	$ 2,700,000,000			$ 2,700,000,000			$ 3,000,000,000.0
Debt instrument term	364 days
Revolving Credit Facility
Impact Of Global Pandemic [Line Items]
Proceeds from revolving credit facilities				$ 3,000,000,000.0		$ 3,000,000,000.0
Revolving Credit Facility \| 2018 Revolving Credit Facility
Impact Of Global Pandemic [Line Items]
Revolving credit subject to extended maturity			1,300,000,000			1,300,000,000
Revolving credit borrowings secured			2,700,000,000			2,700,000,000
Secured Debt \| 2020 Senior Secured Notes
Impact Of Global Pandemic [Line Items]
Debt instrument amount							3,500,000,000
Secured Debt \| 2020 Term Loan
Impact Of Global Pandemic [Line Items]
Debt instrument amount							$ 1,500,000,000
Secured Debt \| EETC issuances and aircraft loans
Impact Of Global Pandemic [Line Items]
Proceeds from transactions secured by aircraft						1,400,000,000
Unsecured Debt \| 2020 Unsecured Notes
Impact Of Global Pandemic [Line Items]
Debt instrument amount			$ 1,300,000,000			$ 1,300,000,000
Forecast
Impact Of Global Pandemic [Line Items]
Load factor cap (percent)					60.00%
Year-over-year decrease in system capacity (percent)		60.00%
Work hours reduction for director-level employees (percent)		25.00%
International
Impact Of Global Pandemic [Line Items]
Year-over-year decrease in system capacity (percent)			94.00%
International \| Forecast
Impact Of Global Pandemic [Line Items]
Year-over-year decrease in system capacity (percent)		80.00%
Domestic
Impact Of Global Pandemic [Line Items]
Year-over-year decrease in system capacity (percent)			80.00%
Domestic \| Forecast
Impact Of Global Pandemic [Line Items]
Year-over-year decrease in system capacity (percent)		50.00%