Revenue Recognition - Narrative (Details) - Air traffic liability $ in Billions	9 Months Ended
	Sep. 30, 2025 USD ($)
Disaggregation of Revenue [Line Items]
Contract term (in years)	1 year
Revenue recognition term (in months)	12 months
Recognition of revenue	$ 5.1
American Airlines, Inc.
Disaggregation of Revenue [Line Items]
Contract term (in years)	1 year
Revenue recognition term (in months)	12 months
Recognition of revenue	$ 5.1