Income Taxes (Details) $ in Billions	Dec. 31, 2024 USD ($)
Tax Credit Carryforward [Line Items]
Other carryforwards	$ 5.9
American Airlines, Inc.
Tax Credit Carryforward [Line Items]
Other carryforwards	4.2
Federal
Tax Credit Carryforward [Line Items]
NOL carryforwards	12.9
Operating loss carryforwards and other carryforwards, subject to expiration	2.6
Operating loss carryforwards and other carryforwards, not subject to expiration	16.2
Federal | American Airlines, Inc.
Tax Credit Carryforward [Line Items]
NOL carryforwards	12.8
Operating loss carryforwards and other carryforwards, subject to expiration	2.9
Operating loss carryforwards and other carryforwards, not subject to expiration	14.1
State
Tax Credit Carryforward [Line Items]
NOL carryforwards	5.2
State | American Airlines, Inc.
Tax Credit Carryforward [Line Items]
NOL carryforwards	$ 5.0