Transactions with Related Parties (Detail) - American Airlines, Inc. [Member] - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Related Party Transaction [Line Items]
Net receivables (payables) to related parties	$ 6,131	$ 1,981
American Airlines Group (Parent Company Only) [Member]
Related Party Transaction [Line Items]
Net receivables (payables) to related parties	8,195	4,489
American Airlines Group's Wholly Owned Subsidiaries [Member]
Related Party Transaction [Line Items]
Net receivables (payables) to related parties	$ (2,064)	$ (2,508)

Receivables to be collected from (obligations owed to) related parties, net as of the balance sheet date within one year where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k)(1))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Name:	us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant