Debt - Certain Covenants (Details)	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 18, 2024 USD ($)
Debt Instrument [Line Items]
Covenant terms, minimum aggregate liquidity required	$ 2,000,000,000.0
Secured Debt
Debt Instrument [Line Items]
LTV Multiplier	1.6
Maximum LTV	62.50%
Secured Debt | Credit Facility 2013
Debt Instrument [Line Items]
Covenant terms, minimum aggregate liquidity required		$ 2,200,000,000
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 | Credit Facility 2013
Debt Instrument [Line Items]
Covenant terms, minimum aggregate liquidity required		$ 2,200,000,000
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 | Credit Facility 2014
Debt Instrument [Line Items]
LTV as of Last Measurement Date	15.80%
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	5.20%
American Airlines, Inc. | Secured Debt | 2013 Credit Facility and 7.25% Senior Secured Notes
Debt Instrument [Line Items]
LTV as of Last Measurement Date	35.00%
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	24.70%