Debt - AAdvantage Financing (Details) - USD ($)				1 Months Ended	12 Months Ended
	Jul. 20, 2026	Jul. 31, 2023	Jul. 20, 2023	Jun. 30, 2023	Dec. 31, 2024	Dec. 31, 2023	Mar. 24, 2021
Debt Instrument [Line Items]
Total long-term debt					$ 30,118,000,000	$ 32,759,000,000
American Airlines, Inc.
Debt Instrument [Line Items]
Total long-term debt					25,372,000,000
Secured Debt
Debt Instrument [Line Items]
Total long-term debt					25,372,000,000	27,526,000,000
Secured Debt | American Airlines, Inc.
Debt Instrument [Line Items]
Total long-term debt					$ 25,372,000,000	27,526,000,000
5.50% Senior Notes | Senior Notes
Debt Instrument [Line Items]
Aggregate principal issued							$ 3,500,000,000
Fixed interest rate per annum							5.50%
Quarterly installments			$ 292,000,000
5.50% Senior Notes | Secured Debt
Debt Instrument [Line Items]
Fixed interest rate per annum					5.50%
Total long-term debt					$ 1,750,000,000	2,917,000,000
5.50% Senior Notes | Secured Debt | American Airlines, Inc.
Debt Instrument [Line Items]
Fixed interest rate per annum					5.50%
Total long-term debt					$ 1,750,000,000	2,917,000,000
5.75% Senior Notes | Senior Notes
Debt Instrument [Line Items]
Aggregate principal issued							$ 3,000,000,000.0
Fixed interest rate per annum							5.75%
5.75% Senior Notes | Senior Notes | Forecast
Debt Instrument [Line Items]
Quarterly installments	$ 250,000,000
5.75% Senior Notes | Secured Debt
Debt Instrument [Line Items]
Fixed interest rate per annum					5.75%
Total long-term debt					$ 3,000,000,000	3,000,000,000
5.75% Senior Notes | Secured Debt | American Airlines, Inc.
Debt Instrument [Line Items]
Fixed interest rate per annum					5.75%
Total long-term debt					$ 3,000,000,000	3,000,000,000
AAdvantage Term Loan Facility | Senior Notes
Debt Instrument [Line Items]
Quarterly installments		$ 175,000,000
AAdvantage Term Loan Facility | Secured Debt
Debt Instrument [Line Items]
Total long-term debt					$ 2,450,000,000	3,150,000,000	$ 3,500,000,000
Redemption price percentage					100.00%
Variable interest rate					9.63%
Mandatory prepayment amount, threshold net proceeds from pre-paid frequent flyer							$ 505,000,000
AAdvantage Term Loan Facility | Secured Debt | American Airlines, Inc.
Debt Instrument [Line Items]
Total long-term debt					$ 2,450,000,000	$ 3,150,000,000
Variable interest rate					9.63%
AAdvantage Term Loan Facility | Secured Debt | Base Rate | American Airlines, Inc.
Debt Instrument [Line Items]
Floor interest rate				0.00%
Interest rate margin				3.75%
AAdvantage Term Loan Facility | Secured Debt | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate margin					4.75%
AAdvantage Term Loan Facility | Secured Debt | Secured Overnight Financing Rate (SOFR) | American Airlines, Inc.
Debt Instrument [Line Items]
Floor interest rate				0.75%
Interest rate margin				4.75%	4.75%
Interest rate adjustment				0.26161%