Revenue Recognition - Passenger Revenue by Geographic Region (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Airline Destination Disclosure [Line Items]
Operating revenues	$ 13,462	$ 8,969	$ 35,783	$ 20,455
Passenger
Airline Destination Disclosure [Line Items]
Operating revenues	12,396	7,957	32,438	17,682
Passenger | Domestic
Airline Destination Disclosure [Line Items]
Operating revenues	8,786	6,547	23,966	14,646
Passenger | Latin America
Airline Destination Disclosure [Line Items]
Operating revenues	1,596	957	4,357	2,375
Passenger | Atlantic
Airline Destination Disclosure [Line Items]
Operating revenues	1,901	408	3,848	555
Passenger | Pacific
Airline Destination Disclosure [Line Items]
Operating revenues	113	45	267	106
American Airlines, Inc.
Airline Destination Disclosure [Line Items]
Operating revenues	13,461	8,968	35,778	20,454
American Airlines, Inc. | Passenger
Airline Destination Disclosure [Line Items]
Operating revenues	12,396	7,957	32,438	17,682
American Airlines, Inc. | Passenger | Domestic
Airline Destination Disclosure [Line Items]
Operating revenues	8,786	6,547	23,966	14,646
American Airlines, Inc. | Passenger | Latin America
Airline Destination Disclosure [Line Items]
Operating revenues	1,596	957	4,357	2,375
American Airlines, Inc. | Passenger | Atlantic
Airline Destination Disclosure [Line Items]
Operating revenues	1,901	408	3,848	555
American Airlines, Inc. | Passenger | Pacific
Airline Destination Disclosure [Line Items]
Operating revenues	$ 113	$ 45	$ 267	$ 106