Debt - Certain Covenants (Details) $ in Billions	12 Months Ended
	Dec. 31, 2025 USD ($)
Debt Instrument [Line Items]
Covenant terms, minimum aggregate liquidity required	$ 2.0
Secured Debt
Debt Instrument [Line Items]
LTV Multiplier	1.6
Maximum LTV	62.50%
Secured Debt | 2013 Credit Facility and 7.25% Senior Secured Notes
Debt Instrument [Line Items]
LTV as of Last Measurement Date	38.40%
Secured Debt | 7.25% Senior Secured Notes
Debt Instrument [Line Items]
Fixed interest rate per annum	7.25%
Secured Debt | Credit Facility 2014
Debt Instrument [Line Items]
LTV as of Last Measurement Date	15.30%
Secured Debt | 2023 Term Loan Facility and 8.50% Senior Secured Notes
Debt Instrument [Line Items]
LTV as of Last Measurement Date	25.40%
Secured Debt | 8.50% Senior Secured Notes
Debt Instrument [Line Items]
Fixed interest rate per annum	8.50%
American Airlines, Inc.
Debt Instrument [Line Items]
Covenant terms, minimum aggregate liquidity required	$ 2.0
American Airlines, Inc. | Secured Debt
Debt Instrument [Line Items]
LTV Multiplier	1.6
Maximum LTV	62.50%
American Airlines, Inc. | Secured Debt | 2013 Credit Facility and 7.25% Senior Secured Notes
Debt Instrument [Line Items]
LTV as of Last Measurement Date	38.40%
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	15.30%
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	25.40%
American Airlines, Inc. | Secured Debt | 8.50% Senior Secured Notes
Debt Instrument [Line Items]
Fixed interest rate per annum	8.50%