Debt - 2019-1 EETCs - Certain Information (Details) - American Airlines, Inc. [Member] - Enhanced Equipment Trust Certificates (EETC) [Member]	Dec. 31, 2019 USD ($)
2019-1 EETC - Series AA [Member]
Debt Instrument [Line Items]
Aggregate principal issued	$ 579,000,000
Remaining escrowed proceeds	$ 155,000,000
Fixed interest rate per annum	3.15%
2019-1 EETC - Series A [Member]
Debt Instrument [Line Items]
Aggregate principal issued	$ 289,000,000
Remaining escrowed proceeds	$ 77,000,000
Fixed interest rate per annum	3.50%
2019-1 EETC - Series B [Member]
Debt Instrument [Line Items]
Aggregate principal issued	$ 229,000,000
Remaining escrowed proceeds	$ 61,000,000
Fixed interest rate per annum	3.85%