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Transactions with Related Parties - Summary of Net Payables to (Receivables from) Related Parties (Detail) (American Airlines, Inc. [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Related Party Transaction [Line Items]
Net payables to related parties	$ 2,168us-gaap_DueToRelatedPartiesCurrent	$ 2,563us-gaap_DueToRelatedPartiesCurrent
American Airlines Group (Parent Company Only) [Member]
Related Party Transaction [Line Items]
Net payables to related parties	284	40
US Airways Group [Member]
Related Party Transaction [Line Items]
Net payables to related parties	(281)	320
Envoy Aviation Group (1) and other subsidiaries [Member]
Related Party Transaction [Line Items]
Net payables to related parties	$ 2,165	$ 2,203

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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