Face (par) amount of debt instrument at time of issuance.

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- Definition

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Weighted average interest rate of debt outstanding.

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The cash inflow from borrowings supported by a written promise to pay an obligation that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Debt - Narrative (Details) - USD ($)	1 Months Ended	6 Months Ended
Debt - Narrative (Details) - USD ($)	May 31, 2019	Jun. 30, 2019
Secured Debt [Member]
Debt Instrument [Line Items]
Repayments of debt		$ 464,000,000
Secured Debt [Member] \| Equipment Loans and Other Notes Payable [Member]
Debt Instrument [Line Items]
Proceeds from notes payable		$ 1,100,000,000
Average interest rate		4.06%
Secured Debt [Member] \| Equipment Loans and Other Notes Payable [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Average interest rate		3.86%
Senior Notes [Member] \| 5.00% Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 750,000,000
Stated interest rate	5.00%
Redemption price percentage	101.00%
American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Repayments of debt		$ 464,000,000
American Airlines, Inc. [Member] \| Enhanced Equipment Trust Certificates (EETC) [Member] \| 2019-1 Enhanced Equipment Trust Certificates [Member]
Debt Instrument [Line Items]
Debt instrument principal amount		650,000,000
American Airlines, Inc. [Member] \| Secured Debt [Member] \| Equipment Loans and Other Notes Payable [Member]
Debt Instrument [Line Items]
Proceeds from notes payable		$ 1,100,000,000
Average interest rate		4.06%
American Airlines, Inc. [Member] \| Secured Debt [Member] \| Equipment Loans and Other Notes Payable [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Average interest rate		3.86%