Debt - Certain Covenants (Details)	12 Months Ended
	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Covenant terms, minimum aggregate liquidity required	$ 2,000,000,000
Secured Debt
Debt Instrument [Line Items]
LTV Multiplier	1.6
Maximum LTV	62.50%
Secured Debt | 7.25% Senior Secured Notes
Debt Instrument [Line Items]
Fixed interest rate per annum	7.25%
Secured Debt | 8.50% Senior Secured Notes
Debt Instrument [Line Items]
Fixed interest rate per annum	8.50%
American Airlines, Inc. | Secured Debt
Debt Instrument [Line Items]
LTV Multiplier	1.6
Maximum LTV	62.50%
American Airlines, Inc. | Secured Debt | 7.25% Senior Secured Notes
Debt Instrument [Line Items]
Fixed interest rate per annum	7.25%
American Airlines, Inc. | Secured Debt | 2014 Credit Facilities
Debt Instrument [Line Items]
LTV as of Last Measurement Date	16.40%
American Airlines, Inc. | Secured Debt | 8.50% Senior Secured Notes
Debt Instrument [Line Items]
Fixed interest rate per annum	8.50%
American Airlines, Inc. | Secured Debt | 10.75% Senior Secured Notes
Debt Instrument [Line Items]
LTV as of Last Measurement Date	6.90%
American Airlines, Inc. | Secured Debt | 2013 Credit Facility and 7.25% Senior Secured Notes
Debt Instrument [Line Items]
LTV as of Last Measurement Date	34.20%
American Airlines, Inc. | Secured Debt | 2023 Term Loan Facility and 8.50% Senior Secured Notes
Debt Instrument [Line Items]
LTV as of Last Measurement Date	25.90%