Debt - Equipment Loans and Other Notes Payable (Details) - American Airlines, Inc. - Secured Debt - Equipment Loans and Other Notes Payable Issue in Current Year $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Proceeds from notes payable	$ 990
Weighted average effective interest rate on variable rate debt	6.28%
Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Weighted average effective interest rate on variable rate debt	6.28%