Revenue Recognition - Narrative (Details) - Air traffic liability $ in Billions	3 Months Ended
	Mar. 31, 2026 USD ($)
Disaggregation of Revenue [Line Items]
Contract term (in years)	1 year
Revenue recognition term (in months)	12 months
Recognition of revenue	$ 4.2
American Airlines, Inc.
Disaggregation of Revenue [Line Items]
Contract term (in years)	1 year
Revenue recognition term (in months)	12 months
Recognition of revenue	$ 4.2