Debt - 2012-2C(R) EETCs - Certain Information (Details) - Enhanced Equipment Trust Certificates (EETC) [Member] - 2012-2C(R) EETC - Series C(R) [Member] - USD ($)	Dec. 31, 2018	May 15, 2018
Debt Instrument [Line Items]
Debt instrument, aggregate principal issued	$ 100,000,000	$ 100,000,000
Fixed interest rate	4.70%
American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Debt instrument, aggregate principal issued	$ 100,000,000	$ 100,000,000
Fixed interest rate	4.70%

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant