Debt - Guarantees (Details)	Dec. 31, 2023 USD ($)
Secured Debt
Debt Instrument [Line Items]
Guarantor obligations, maximum exposure, undiscounted	$ 17,500,000,000
Unsecured Debt \| Convertible Senior Notes 6.50% Due 2025
Debt Instrument [Line Items]
Fixed interest rate per annum	6.50%
Unsecured Debt \| Senior Notes 3.75% Matures 2025
Debt Instrument [Line Items]
Fixed interest rate per annum	3.75%
American Airlines, Inc. \| Unsecured Debt \| PSP1 Promissory Note
Debt Instrument [Line Items]
Guarantor obligations, maximum exposure, undiscounted	$ 1,800,000,000
American Airlines, Inc. \| Unsecured Debt \| PSP2 Promissory Note
Debt Instrument [Line Items]
Guarantor obligations, maximum exposure, undiscounted	1,000,000,000
American Airlines, Inc. \| Unsecured Debt \| PSP3 Promissory Note
Debt Instrument [Line Items]
Guarantor obligations, maximum exposure, undiscounted	959,000,000
American Airlines, Inc. \| Unsecured Debt \| Convertible Senior Notes 6.50% Due 2025
Debt Instrument [Line Items]
Guarantor obligations, maximum exposure, undiscounted	$ 1,000,000,000
Fixed interest rate per annum	6.50%
American Airlines, Inc. \| Unsecured Debt \| Senior Notes 3.75% Matures 2025
Debt Instrument [Line Items]
Guarantor obligations, maximum exposure, undiscounted	$ 487,000,000
Fixed interest rate per annum	3.75%

Contractual interest rate for funds borrowed, under the debt agreement.

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