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Debt - EETCs - Certain Information (Details) - American Airlines, Inc. - Enhanced Equipment Trust Certificates (EETC)
Mar. 31, 2022
USD ($)
2021-1 EETC - Series A  
Debt Instrument [Line Items]  
Aggregate principal issued $ 758,000,000
Remaining escrowed proceeds $ 394,000,000
Fixed interest rate per annum 2.875%
2021-1 EETC - Series B  
Debt Instrument [Line Items]  
Aggregate principal issued $ 202,000,000
Remaining escrowed proceeds $ 105,000,000
Fixed interest rate per annum 3.95%