Debt - 10.75% Senior Secured Notes (Details) - USD ($)			1 Months Ended	12 Months Ended
	Feb. 04, 2025	Sep. 25, 2020	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Redemption of outstanding principal amount				$ 4,467,000,000	$ 7,718,000,000	$ 3,752,000,000
American Airlines, Inc.
Debt Instrument [Line Items]
Redemption of outstanding principal amount				$ 3,973,000,000	$ 7,697,000,000	$ 2,991,000,000
American Airlines, Inc. | 10.75% Senior Secured Notes | Senior Notes
Debt Instrument [Line Items]
Fixed interest rate per annum		10.75%
Redemption price percentage		105.375%
American Airlines, Inc. | Senior Secured IP Notes 10.75% Due 2026 | Payment in Kind (PIK) Note
Debt Instrument [Line Items]
Aggregate principal issued		$ 1,000,000,000.0
Redemption of outstanding principal amount			$ 263,000,000
American Airlines, Inc. | Senior Secured IP Notes 10.75% Due 2026 | Payment in Kind (PIK) Note | Subsequent Event
Debt Instrument [Line Items]
Redemption of outstanding principal amount	$ 308,000,000
American Airlines, Inc. | Senior Secured LGA/DCA Notes 10.75% | Payment in Kind (PIK) Note
Debt Instrument [Line Items]
Aggregate principal issued		$ 200,000,000