Revenue Recognition - Narrative (Details) - Air traffic liability $ in Billions	3 Months Ended
	Mar. 31, 2024 USD ($)
Disaggregation of Revenue [Line Items]
Contract term	1 year
Revenue recognition term	12 months
Recognition of revenue	$ 3.8
American Airlines, Inc.
Disaggregation of Revenue [Line Items]
Contract term	1 year
Revenue recognition term	12 months
Recognition of revenue	$ 3.8