Commitments, Contingencies and Guarantees - Aircraft, Engine and Other Purchase Commitments (Details) $ in Millions	Dec. 31, 2022 USD ($) aircraft	Dec. 31, 2021 USD ($)
Purchase Obligations
Equipment purchase deposits	$ 613	$ 517
B-787-8
Purchase Obligations
Number of aircraft, deferrable, scheduled to be delivered in 2023 \| aircraft	4
B-787-9
Purchase Obligations
Number of aircraft, deferrable, scheduled to be delivered in 2024 \| aircraft	5
Jet Fuel, Facility Construction Projects and Information Technology Support
Unrecorded Unconditional Purchase Obligations
2023	$ 5,700
2024	3,000
2025	1,700
2026	231
2027	126
2028 and thereafter	941
Aircraft and Engine Purchase Commitments
Purchase Obligations
2023	1,485
2024	2,678
2025	3,896
2026	3,214
2027	988
2028 and Thereafter	65
Total	12,326
American Airlines, Inc.
Purchase Obligations
Equipment purchase deposits	$ 613	$ 517
American Airlines, Inc. \| B-787-8
Purchase Obligations
Number of aircraft, deferrable, scheduled to be delivered in 2023 \| aircraft	4
American Airlines, Inc. \| B-787-9
Purchase Obligations
Number of aircraft, deferrable, scheduled to be delivered in 2024 \| aircraft	5
American Airlines, Inc. \| Jet Fuel, Facility Construction Projects and Information Technology Support
Unrecorded Unconditional Purchase Obligations
2023	$ 5,700
2024	3,000
2025	1,700
2026	231
2027	126
2028 and thereafter	941
American Airlines, Inc. \| Aircraft and Engine Purchase Commitments
Purchase Obligations
2023	1,485
2024	2,678
2025	3,896
2026	3,214
2027	988
2028 and Thereafter	65
Total	$ 12,326

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