Debt - Schedule of Maturities of Long-Term Debt and Capital Leases (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Maturities of Long-term Debt and Capital Lease Obligations [Abstract]
2019	$ 3,258
2020	2,320
2021	3,411
2022	1,346
2023	3,894
2024 and thereafter	9,772
Total	24,001	$ 24,530
American Airlines, Inc. [Member]
Maturities of Long-term Debt and Capital Lease Obligations [Abstract]
2019	2,508
2020	1,815
2021	3,409
2022	1,344
2023	3,892
2024 and thereafter	9,754
Total	$ 22,722

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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