Related Party Transactions (Details) (AA [Member], USD $) In Millions, unless otherwise specified	Sep. 30, 2014		Dec. 31, 2013
Related Party Transaction [Line Items]
Due to (due from) related parties	$ 3,437		$ 2,807
American Airlines Group Parent [Member]
Related Party Transaction [Line Items]
Due to (due from) related parties	2,838		2,455
US Airways Group, Inc. [Member]
Related Party Transaction [Line Items]
Due to (due from) related parties	218		0
Envoy Aviation Group Inc and other subsidiaries [Member]
Related Party Transaction [Line Items]
Due to (due from) related parties	$ 381	[1]	$ 352	[1]

[1] Formerly known as AMR Eagle Holding Corporation, the net payable to AAG's wholly-owned regional airline operating under the brand name of American Eagle consists principally of amounts due under regional capacity purchase agreements.