Commitments, Contingencies and Guarantees - Long-term Purchase Commitments (Detail) (Payments for Aircraft Commitments and Certain Engines [Member], USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Long-term Purchase Commitment [Line Items]
2015	$ 5,110
2016	4,978
2017	4,937
2018	4,291
2019	3,242
2020 and Thereafter	5,651
Total unrecorded unconditional purchase obligation	28,209us-gaap_PurchaseObligation
American Airlines, Inc. [Member]
Long-term Purchase Commitment [Line Items]
2015	4,586
2016	4,856
2017	4,165
2018	3,241
2019	2,654
2020 and Thereafter	5,651
Total unrecorded unconditional purchase obligation	$ 25,153

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Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

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No definition available.

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- Definition

Minimum amount of purchase arrangement maturing after the fifth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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No definition available.

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- Definition

Minimum amount of purchase arrangement maturing in the fifth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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No definition available.

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- Definition

Minimum amount of purchase arrangement maturing in the fourth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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No definition available.

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- Definition

Minimum amount of purchase arrangement maturing in the next fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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No definition available.

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- Definition

Minimum amount of purchase arrangement maturing in the second fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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No definition available.

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- Definition

Minimum amount of purchase arrangement maturing in the third fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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No definition available.

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