Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Operating Leases
2025	$ 1,546
2026	1,403
2027	1,243
2028	1,114
2029	1,010
2030 and thereafter	3,049
Total lease payments	9,365
Less: Imputed interest	(2,297)
Total operating lease liabilities	7,068	$ 7,761
Less: Current obligations	(1,092)	(1,309)
Long-term lease obligations	5,976	6,452
Finance Leases
2025	173
2026	150
2027	112
2028	77
2029	72
2030 and thereafter	256
Total lease payments	840
Less: Imputed interest	(177)
Total finance lease liabilities	663	506
Less: Current obligations	(132)	(131)
Long-term lease obligations	531	375
American Airlines, Inc.
Operating Leases
2025	1,532
2026	1,390
2027	1,235
2028	1,107
2029	1,004
2030 and thereafter	3,009
Total lease payments	9,277
Less: Imputed interest	(2,269)
Total operating lease liabilities	7,008	7,708
Less: Current obligations	(1,082)	(1,292)
Long-term lease obligations	5,926	6,416
Finance Leases
2025	173
2026	150
2027	112
2028	77
2029	72
2030 and thereafter	256
Total lease payments	840
Less: Imputed interest	(177)
Total finance lease liabilities	663	498
Less: Current obligations	(132)	(124)
Long-term lease obligations	$ 531	$ 374